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Concrete is a mixture of cement, sand, stone aggregates and water.
At ACC, we have a specially focused range on Ready Mix Concrete (RMX). ACC set up India's first commercial Ready Mixed Concrete (RMX) plant in Mumbai in 1994.
If a concrete mix is placed in and around a cage of steel rods, it is called Reinforced Cement Concrete (RCC).
ACC Cement is one of the most used cement in all constructions including plain and reinforced cement concrete, brick and stone masonry, floors and plastering.
Mortar is a mix of cement, sand and water, to be used for brick works/block works and plaster. It is necessary that the sand and cement are mixed in appropriate proportions to make the mortar.
At ACC, we provide quality products and assistance to home builders at every step of the construction to make the process easier for you. Get in touch with your nearest ACC Dealer and make your dream home stronger and long-lasting.
The amount of water that is required per bag of cement is 25 -28 liters. Know the importance of water-cement ratio from the experts. Our dedicated dealers are there to help you. Call your nearest ACC Dealer today.
For more construction tips, contact your nearest ACC Dealership.
1:1.5:3, where 1 part of cement is to be mixed with 1.5 parts of sand and 3 parts of coarse aggregates. Water requirement for the mix would be less than 25 liters per bag of cement.
The ways in which concrete maybe spoilt are many, most common of them being:
Our experts help home builders take the right decision and avoid errors and mistakes at every step. Contact your nearest ACC Dealership today.
The compressive strength is governed by the following factors:
ACC is a hallmark of quality and durability in Cement and Ready Mixed Concrete. Each product is designed to make your home long-lasting with extensive research and a talented team.
The mortar/concrete should be used as early as possible after adding water to it. The hydration of cement starts the moment water is added to it. As the hydration progresses the cement paste starts stiffening and loses its plasticity. The concrete should not be disturbed after this. Normally, this is about 45 - 50 minutes.
MPa is abbreviated form of mega Pascal, which is a unit of pressure. 1 MPa is equivalent to a pressure of 10Kg /cm2. The strength of concrete & cement is expressed in terms of pressure a standard cube can withstand. The Ordinary Portland Cement, commonly called OPC is available in three grades namely 33, 43 & 53 grades. Thus, for a 43 grade cement a standard cement & sand mortar cube would give a minimum strength of 43 MPa or 430 Kg /cm2 when tested under standard curing conditions for 28 days.
Green concrete has all the three phases - solids, water & air. In order to make the concrete impervious & attain its maximum strength it is required to remove the entrapped air from the concrete mass when it is still in plastic state. If the air is not removed completely, the concrete loses strength considerably. It has been observed that 5% voids reduce the strength by about 30% and 10% voids reduce the strength by over 50%.
Compaction eliminates air bubbles and brings enough fine material both to the surface and against the forms to produce the desired finish. One can use such hand tools as steel rods, paddling sticks, or tampers, but mechanical vibrators are best. Any compacting device must reach the bottom of the form and be small enough to pass between reinforcing bars. Since the strength of the concrete member depends on proper reinforcement location, be careful not to displace the reinforcing steel.
Cement is a hygroscopic material meaning that it absorbs moisture. In presence of moisture it undergoes chemical reaction termed as hydration. Therefore cement remains in good condition as long as it does not come in contact with moisture. If cement is more than three months old then it should be tested for its strength before being taken into use.
Whenever you are buying cement, make sure you check the quality, and not just the cement price.Contact your nearest ACC Dealerto understand the importance of quality.
Portland cement is composed of calcium silicates and aluminate and aluminoferrite It is obtained by blending predetermined proportions limestone clay and other minerals in small quantities which is pulverized and heated at high temperature - around 1500 deg centigrade to produce 'clinker'. The clinker is then ground with small quantities of gypsum to produce a fine powder called Ordinary Portland Cement (OPC). When mixed with water, sand and stone, it combines slowly with the water to form a hard mass called concrete.
ACC Limited, one of the top manufacturers of cement has a diverse range of portland cement at an affordable prices.Visit your nearest ACC Dealership to find out more
Fineness defines the surface area of cement particles present in per unit weight, which implies that more fineness means more particles in unit weight. This enhances the reaction rate which in turn will result in faster gain of strength at earlier stages.
ACC, being India’s first cement company, has long been developing products that have higher durability and strength. Like ACC Gold Water Shield Cement, India’s first water-repellent cement and ACC Suraksha Power Cement, infused with unique strength multipliers that keep increasing the strength over time.
Blended cement is obtained by either intergrinding pozzolanic material or slag with clinker along with Gypsum or by blending ground pozzolana or slag with Portland cement. They are also termed as composite cements.
ACC has a special blended cement in its vast portfolio, produced by inter-grinding higher strength Ordinary Portland Cement clinker with high quality processed fly ash at a pocket-friendly price.
Pozzolana combines with lime and alkalies in the cement and when water is mixed forms compounds which contribute to strength, impermeability and sulphate resistance It also contributes to workability, reduced bleeding and controls destructive expansion from alkali-aggregate reaction. Leaching of free lime is also reduced.
When water is mixed with cement, the paste so formed remains pliable and plastic for a short time. During this period it is possible to disturb the paste and remit it without any deleterious effects. As the reaction between water and cement continues, the paste loses its plasticity. This early period in the hardening of cement is referred to as 'setting' of cement. ACC F2R Superfast is a revolutionary cement designed to reduce the construction time by setting fast and providing higher strength. Contact your nearest ACC Dealer to know more.
The Bureau of Indian Standards (BIS) has classified OPC in three different grades. The classification is mainly based on the compressive strength of cement-sand mortar cubes of face area 50 cm2 composed of 1 part of cement to 3 parts of standard sand by weight with a water-cement ratio arrived at by a specified procedure.
The grades are:
The grade number indicates the minimum compressive strength of cement sand mortar in N/mm2 at 28 days, as tested by above mentioned procedure. Get in touch with your nearest ACC Dealership to know more about the details.
Portland Pozzolana Cement (PPC) is obtained by either intergrinding a pozzolanic material with clinker and gypsum, or by blending ground pozzolana with Portland cement. Nowadays good quality fly ash is available from Thermal Power Plants, which are processed and used in manufacturing of PPC. ACC Fly-ash based PPC is made by intergrinding high strength clinker with specially processed flyash. Contact the ACC Dealer to know the price and many benefits of PPC.
Pozzolana combines with lime and alkali in cement when water is added and forms compounds which contribute to strength, impermeability and sulphate resistance. It also contributes to workability, reduced bleeding and controls destructive expansion from alkali-aggregate reaction. It reduces heat of hydration thereby controlling temperature differentials, which causes thermal strain and resultant cracking n mass concrete structures like dams.
ACC Fly-ash based PPC easily replaces OPC and provides additional advantages for practically all types of construction applications - commercial, residential, bungalows, complexes, foundation, columns, beams, slabs and RCC jobs.
No. The quality of cement depends upon the raw materials used and the quality control measures adopted during its manufacture, and not on the shade of the cement. The cement gets its colour from the nature and colour of raw materials used, which will be different from factory to factory, and may even differ in the different batches of cement produced in a factory. Further, the colour of the finished concrete is affected also by the colour of the aggregates, and to a lesser extent by the colour of the cement. Preference for any cement on the basis ofcolour alone is technically misplaced. Hence, its wise to always choose quality over price.
Slag is a non-metallic product consisting essentially of glass containing silicates, alumino-silicates of lime and other bases and is obtained as a by-product in the manufacture of pig iron in a blast furnace or electric furnace. Granulated slag is used in the manufacture of Portland Slag Cement (PSC).
Slag cement can be used for all plain and reinforced concrete constructions, mass concreting structures such as dams, reservoirs, swimming pools, river embankments, bridge piers, etc. It is used with advantage where low heat of hydration and resistance to alkali-silica reaction are desired, for structures in aggressive environments where chemical and mildly acidic waters are encountered (where the use of OPC is not recommended), for marine constructions, dykes, wharves, etc where sulphatic water is encountered. In short, PSC can be used wherever OPC is used.
Visit your nearest ACC Dealership to discover the various PSC options available at an affordable rate.
Cement which is in the form of a fine powder has a tendency to absorb moisture present in the atmosphere. When it absorbs moisture it hydrates, and when subsequently used does not contribute to the strength development. Jute bags (gunny bags) in which cement is bagged are neither airtight nor damp-proof and do not prevent absorption of moisture. Cement deteriorates in quality on long storage.
Cement bagged in woven polythene bags or paper bags are not likely to deteriorate to the extent mentioned above. The loss of strength also depends on the condition of the godown. It is advisable to use cement within three months of its bagging, or to test the cement for its strength if stored for longer periods. Hence cement bought first should be used first.
Precautions that must be taken in the storage of Portland cement are given below in a series of DON'Ts.
On the cement bag, week number, month and year of manufacturing are mentioned. Make sure you check them before buying and using cement.
The term 'curing' is used to include maintenance of a favorable environment for the continuation of chemical reactions, i.e. retention of moisture within, or supplying moisture to the concrete from an external source and protection against extremes of temperature.
We, as a leading cement brand are there to help you at every step of your construction. Contact your nearest ACC Dealer for help, support and advice.
Just as curing plays a significant role, buying and using the right materialsare also important.Therefore, it’s wise to choose quality over price. To know more about the importance of high qualitymaterials, feel free to get in touch with then. ACC Customer Service or ACC Dealership.
Ponding, continuous sprinkling, covering with wet cloth, cotton mats or similar materials, covering with specially prepared paper, polyethylene, sealing coat applied as a liquid commonly known as 'curing compound' which hardens to form a thin protective membrane, are some of the methods by which concrete is cured.
If you have any further questions about curing, we are there to answer them. The ACC Dealers and ACC Customer Care Service are always there to assist you at every step.
Curing should be started just after the surfaces begin to dry. Normally 7 to 14 days curing is considered adequate.
Forms or moulds or shutters are the receptacles in which concrete is placed, so that it will have the desired shape or outline when hardened. Once the concrete develops adequate strength, the forms are removed. Forms are generally made of the materials like timber, plywood, steel, etc.
The removal of formwork after the concrete has set is termed as stripping. The period up to which the forms must be left in place before they are stripped is called stripping time. The factors affecting the stripping time are the position of the forms, the loads coming on the elements immediately after stripping, temperature of the atmosphere, the subsequent loads coming on the element etc.
As a guideline, with temperature above 20 degree following time limits should be followed:
|ELEMENTS AND SUPPORTING CONDITIONS||STRIPPING TIME IN DAYS|
|WALLS, COLUMNS, VERTICAL SIDES OF BEAM||1 TO 2|
|SLABS REMOVAL OF PROPS|
|A) SPAN UP TO 4.5M||7|
|B) SPAN OVER 4.5 M||14|
|BEAM AND ARCHES: REMOVAL OF PROPS|
|A) SPAN UP TO 6M||14|
|B) SPAN OVER 6M||21|
It should be fixed on rough plastered surface with cement mortar 1:1. Neat cement for fixing tiles should not be used.
ACC Suraksha Tile Fix-111, ACC Suraksha Tile Fix-222 and ACC Suraksha Tile Fix-333 are ready-to-use tile adhesives from the trusted house of ACC with higher bond strength.
No. first, it should be connected to gully trap and then to the manhole.
Steel reinforcements are used, generally, in the form of bars of circular cross section in concrete structure. They are like a skeleton in human body. Plain concrete without steel or any other reinforcement is strong in compression but weak in tension. Steel is one of the best forms of reinforcements, to take care of those stresses and to strengthen concrete to bear all kinds of loads.
Bar-bending-schedule is the schedule of reinforcement bars prepared in advance before cutting and bending of rebars. This schedule contains all details of size, shape and dimension of rebars to be cut.
Mild steel bars conforming to IS: 432 (Part I) and Cold-worked steel high strength deformed bars conforming to IS: 1786 (grade Fe 415 and grade Fe 500, where 415 and 500 indicate yield stresses 415 N/mm2 and 500 N/mm2 respectively) are commonly used. Grade Fe 415 is being used most commonly nowadays. This has limited the use of plain mild steel bars because of higher yield stress and bond strength resulting in saving of steel quantity.
Some companies have brought thermo mechanically treated (TMT) and corrosion resistant steel (CRS) bars with added features.
Bars range in diameter from 6 to 50 mm. Cold-worked steel high strength deformed bars start from 8 mm diameter. For general house constructions, bars of diameter 6 to 20 mm are used.
Cover blocks are placed to prevent the steel rods from getting exposed to the atmosphere, and to place and fix the reinforcements as per the design drawings. Once the steel is exposed to the atmosphere, corrosion starts. Sometimes it is commonly seen that the cover gets misplaced during the concreting activity. To prevent this, tying of cover with steel bars using thin steel wires called binding wires (projected from cover surface and placed during making or casting of cover blocks) is recommended. Covers should be made of cement sand mortar (1:3). Ideally, cover should have strength similar to the surrounding concrete, with the least perimeter so that chances of water to penetrate through periphery will be minimized. Provision of minimum covers as per the Indian standards for durability of the whole structure should be ensured.
Shape of the cover blocks could be cubical or cylindrical. However, cover indicates thickness of the cover block. Normally, cubical cover blocks are used. As a thumb rule, minimum cover of 2" in footings, 1.5" in columns and 1" for other structures may be ensured.
Transverse reinforcements are very important. They not only take care of structural requirements but also help main reinforcements to remain in desired position. They play a very significant role while abrupt changes or reversal of stresses like earthquake etc. They should be closely spaced as per the drawing and properly tied to the main/longitudinal reinforcement.
Lap length is the length overlap of bars tied to extend the reinforcement length.. Lap length about 50 times the diameter of the bar is considered safe. Laps of neighboring bar lengths should be staggered and should not be provided at one level/line. At one cross section, a maximum of 50% bars should be lapped.
In case, required lap length is not available at junction because of space and other constraints, bars can be joined with couplers or welded (with correct choice of method of welding).
This is the additional length of steel of one structure required to be inserted in other at the junction. For example, main bars of beam in column at beam column junction, column bars in footing etc. The length requirement is similar to the lap length mentioned in previous question or as per the design instructions.
Reinforcement should be free from loose rust, oil paints, mud etc. it should be cut, bent and fixed properly. The reinforcement shall be placed and maintained in position by providing proper cover blocks, spacers, supporting bars, laps etc. Reinforcements shall be placed and tied such that concrete placement is possible without segregation, and compaction possible by an immersion vibrator.
Yes. We can receive the test certificate of the batch of materials supplied at our site. The certificate will confirm the compliance of quality of supplied materials as per the requirement of relevant Indian standard code.
Following precautions/practices would be helpful from safety and quality points of view -
Use of RCCB/ ELCB (Residual current circuit breaker/ Earth Leakage circuit breaker) prevents the accidental shocks and also keep a check on the earthing system of the house. In case of leakage of very small current in milli-amperes would trip the circuit and prevent the mishap.
Single Phase System - It consists of one phase wire, a neutral wire and earthing wire. It is commonly used for domestic purposes.
Three Phase System - It consists of three phase wires and an earthing wire and is used for industrial and commercial purposes.
Earthing is required to by-pass the over-rated current caused due to fluctuation in circuit parameters such as phase frequency and line voltage etc., to save human life and electrical assets from short circuits.
Fuse is a conditional switch having fuse wire of low melting point required to save the electrical network in case of overloads and short circuits.
Electricity is measured in terms of kilo Watt Hour and tariff is decided on that basis. Hence, kilo Watt Hour is a unit of consumption of electricity. Thus, electrical equipment, which consumes 1 Kilowatt, will cost you one unit if the same is used for one hour.
Short circuit occurs due to accidental contact of phase with another phase or phase with neutral or phase with earth wire.
It is a magnetic tripping device working during short circuit or overloading. It is mainly used to protect life and other electrical assets.
No, the concealed wiring will not weaken the concrete structure.
Plaster protects structure from temperature variations; external attacks of sulphates, chlorides, etc. Plaster also provides smooth & aesthetic surface on RCC & Brickwork surface. If you want to save your time and make your home long-lasting, use ACC ready-to-use Plasters. Call your nearest ACC Dealership today.
Some points which one must pay attention to prior to land deal:
While selecting the land one should give importance to following issues:
Whatever the type of contract, one needs to pay close attention to the following aspects:
To give an idea, depending on the finishes you choose, the construction cost should be as follows-
|TYPE OF FINISH IN THE CONSTRUCTION||COST (IN RUPEES) PER SQ.FT OF CONSTRUCTION|
|TOP CLASS FINISH||750 - 1000|
|MEDIUM CLASS FINISH||480 - 700|
|SIMPLE CLASS FINISH||350 - 550|
|SR. NO.||MATERIALS/ACTIVITIES||EXPENDITURE IN TERMS OF PERCENTAGE OF CONSTRUCTION COST OF THE BUILDING|
|1.||DESIGN & FEE FOR ENGINEER/ARCHITECT||3-5|
|2.||LABOR CONTRACTOR FOR CONCRETE||6-10|
|3.||LAY OUT & EXCAVATION||2-4|
|10.||STEEL RODS (SARIYA)||3-5|
|11.||DOORS & WINDOWS||6-8|
|14.||PLUMBING & SANITATION||6-8|
|18.||BOUNDARY WALLS & MAIN GATE||1-3|
Ceramic & vitrified tiles can be divided into two categories, a) wall tiles and b) floor tiles. The properties of both the tiles are different. Since floor tiles are exposed to severe abrasion and friction. They are thicker and tougher than wall tiles.
If you want your tiles to stay forever, use the power of strong ready-to-use ACC Tile Adhesives, specially designed to fix your tiles with superior bond strength.
Yes, the new tiles can be laid on top of old flooring by proper roughening the surface and using polymer based adhesive for laying. But the door shutter needs to be cut and adjusted for the elevated floor level. Have more doubts like these? Connect with your local ACC Dealer.
The purpose of a floor is to provide a horizontal sanitary surface to support the occupants of a building, furniture and equipment. A good floor should have strength and stability, resistance to dampness, good appearance, and freedom from maintenance etc.
Following are the common floor finishes -
ACC offers a comprehensive range of ready-to-use Tile Adhesives for fixing tiles and marbles for internal walls & floors and external floor application with higher strength & water retention properties. Available at an affordable price. Head to your nearest ACC Dealership for more information.
It is advisable to repair the area, where the water leakage or dampness is observed by means of grouting as per advice of an experienced engineer, before taking up any floor topping or finishing work. But once this is done, any type of floor toppings can be applied including vinyl floor, mosaic / ceramic / vitrified tile, marble or any type of stone flooring.
Explore best-in-class waterproofing solutions from the trusted house of ACC. Right from waterproof plaster to waterproof cement, get everything under one roof. Call your nearest ACC Dealer for more details.
Carpet Area: This is the area of the apartment/building, which does not include the area covered by the walls. Built up Area: The carpet area plus the area of the walls. Super Built up Area: This includes the built up area along with the area under common spaces such as the lobby, lifts, stairs, etc.
1. The lines should be so laid that there is no risk contamination of water supply. For this, following three things are necessary -
1. No cross connection anywhere between pipes carrying potable water carrying wastewater.
2. No back flow from any appliance towards the source of supply.
3. Water supply pipes and wastewater pipes (drainage pipes) not to be laid very close to each other.
2. Pipelines should be properly protected against any damage. Underground pipeline should be enclosed in a cement mortar and have sufficient earth cover
3. Pipe network should be simple and straight as far as possible.
To avoid water damage, follow these steps.If you want to reduce the risk of seepage and live worry-free, use ACC Gold Water Shield Cement, India’s first water repellent cement. Its unique water-resistantformula protects your home from seepage and gives long-lasting strength.
For residential buildings, water requirement of 135 liters per head per day may be assumed. For example, for four persons, we should plan storing and consuming 4x135 = 540 liters of water everyday.
If you have any further questions, please feel free to reach out to your nearest ACC Dealer.
There are many options like copper/brass pipe, galvanized iron (GI) pipes, plastic pipes etc. However, GI pipes are more commonly used in India.
The pipe leading from the distribution mains of the municipal water supply to the plumbing system of the house is known as the service pipe. As a general yardstick, the diameter of the service pipe can be fixed on the basis of occupants in the house, as given in the following table-
|NO. OF OCCUPANTS||DIAMETER OF SERVICE PIPE (MM)|
The water supply to a building may either be continuous or intermittent. Even in the case of continuous supply in the mains, the pressure of water may not be sufficient to raise the water to all the floors of the building. In either case, storage tanks are required. The storage tanks may be situated either at the ground level, or at the roof level or at both levels. If the pressure of the water is sufficient to raise the water to the roof level, storage tank is provided only at the roof level, so as to store water because of intermittent supplies. If the pressure of water is not sufficient, water is first stored at a ground level tank, from where it is pumped to the top storage tank.
A storage tank may be made of mild steel plates or reinforced concrete or brick masonry or plastic. It should have accessories like top cover, valve with ball float assembly to control the inflow of water, overflow pipe in case float assembly fails, supply or inlet pipe for water to admit into the tank, outlet pipe and drainpipe to clean the water periodically.
The capacity of storage tank depends on following factors -
For example, in case if the example given in the previous question, if water supply is once a day only and for not a considerable period, it would be advisable that the entire daily requirement of 540 liters be stored in the tank and consumed later. Therefore, the capacity of the tank in this case would be 540 liters.
Only small diameter pipes used for supply of water for domestic purpose can be concealed. During the laying of pipes care should be taken to see that the nodes or the joints are properly fixed without any chance of leakage. But it is always recommended to conceal pipes only in unavoidable situations and limit it to small lengths.
ACC Gold Water Shield Cement and ACC LeakBlock are the best solutions to protect your home from leakage and provide superior strength. Contact your nearest ACC Dealership to know more.
Yes. It is always better to prepare house drainage plan. In some cities, it is statutory to submit such plans. We should plan in advance about the position of baths, water closets, urinals, wash basins and other units along with the position of traps, manholes, soak pits/septic tanks, public sewer, as applicable.
A septic tank is used to treat sewage from isolated group of country houses, where a piped sewage system (i.e., a public sewer) is not available. It is a horizontal continuous flow sedimentation tank in which sewage moves very slowly. Septic tank serves two purposes: deposition of settling solids in sewage by sedimentation, and partial or complete digestion of the sludge prior to its disposal. A septic tank produces septic action by anaerobic bacteria, wherein proteins, carbohydrates, cellulose and fatty matter present in sewage are broken to simpler compounds. The nitrogen is converted to ammonia, while the colloidal matter is flocculated, then liquefied and finally digested. The effluent from the septic tank is discharged either into the soak pit or below ground level through drains, so that the effluent gets absorbed in the soil. A baffle wall with openings is constructed at some distance away from the inlet. The sludge, which is deposited in the bottom is cleaned periodically, say once in 6 to 12 months. A vent pipe is provided for the escape of gases.
A soak pit is a covered pit dug in the ground, in which effluent from the septic tank is discharged. It is generally dug in the previous soil which can absorb the effluent.
A sludge soak pit is the one in which the sewage effluent from the house drain is directly discharged. The water in the accumulated sewage is soaked by adjoining pervious soil while the sludge is digested in the pit. Such soak pits are very common where subsoil is very pervious. Usually, the pit is lined with masonry with open joints. The top is covered with rigid slab. The diameter of such tank varies from 2 m to 3 m, while depth varies from 2.5m to 4 m. each individual house has one such soak pit which has a life of about 20 years for a family of 6 persons. When the soak pit gets filled up, the top cover is removed and the tank is emptied.
The level of the bathroom/kitchen floor should be 12-20 mm below the surrounding floor. The slope of flooring should be towards nahani trap or floor trap.
It should be pressure tested.
Class 'B' (medium grade) pipe.
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No. first, it should be connected to gully trap and then to the manhole.
Cement paint is a paint made out of cement with different pigments and it is applied on the external walls of the house. Before applying the paint, the wall cement plaster needs to be saturated with water and the paint is applied on damp surface. The painted surface needs to be cured for 3 to 4 days for proper hydration of cement based materials, which give life to the paints in terms of performance and better aesthetics.
Following precautions would be necessary before painting the internal surface of the house.
1. Check & rectify water leakage/ dampness from any place.
2.Fill the cracks in the external and internal wall with suitable ready-made sealant after widening the crack up to 4mm to ensure proper filling.
3. Newly plastered surface should be allowed to dry. Remove loose particles by rubbing with sand paper & to ensure that the surface is dry and free from dust, dirt etc.
4. Apply a coat of primer.
5. Apply acrylic based polymer putty or Plaster of Paris (POP) to level undulations.
6. Apply one more coat of primer. Allow it to dry for 10-12 hours. Apply first coat of paint after addition of thinners as per manufacturer's specification. Keep an interval of 4-8 hours between any two coats. Generally 2-3 coats of finish paint give satisfactory results.
Wood absorbs moisture from air when the moisture content is high in the atmosphere and as a result it expands causing cracks in the wall. During dry atmosphere the wood contracts and a gap is formed between the wall and the frame of the door.
A good quality wood like, Holyoke, deodar, teak etc. should be used. The wood should be properly seasoned.
Concealed wiring is safe for the building as long as it is properly placed and joints are properly covered. There should be tap holes for checking the wiring at suitable intervals. The wiring should not be too close to the slab and also from the water bodies in the building. The wiring should not be exposed to external cracks in the walls.
No, the concealed wiring will not weaken the concrete structure.
Normally the bricks are tested for Compressive strength, water absorption, dimensional tolerances and efflorescence. However at small construction sites the quality of bricks can be assessed based on following, which is prevalent in many sites.
The depression in the brick on top (approximately 100mmX40mm X10 to 15mm deep) is called the frog and the mortar is filled in the frog while laying the bricks in masonry work to help in bonding and acting as a shear key against horizontal loads.
The brickwork should be cured with water and kept moist for minimum 7 to 10 days period for proper development of strength.
Load-bearing masonry structure transfers the structural load of the building through the masonry walls and masonry footing and do not have concrete columns and footing. A RCC framed building would have columns (pillars) arising out of foundations, which bear the load of the building through column-beam frame and transfer the load to foundation. Load bearing walls are not economical in most cases if the building has more than three stories. RCC framed system is slender and having flexibility of shifting it’s internal light weight partition walls.
Leakages occur because of various reasons; some of which are mentioned below:
ACC Limited offers a vast range of waterproofing solutions to protect your home from leakages and water damages. Head to your nearest ACC Dealership to find out.
Following measures may be useful to avoid leakages:
It’s wise to reduce the risk of leakages at the time of construction by using ACC Gold Water Shield Cement, a sure-shot way to avoid leakages and water damages.
Normal concrete construction should not require waterproofing materials, if it is designed and constructed properly with good quality and workmanship.
ACC LeakBlock range is a is an advanced polymer technology based integral waterproofing compound specifically formulated using plasticizing and surface active additives. It prevent seepage 360 degrees and can be used for all types of applications such as foundation, roof slabs, columns, beams, external wall plastering, water tank, bathroom, kitchens, etc.
Waterproofing materials are available in powder and liquid forms. It is advisable to buy waterproofing materials of reputed companies and choose quality over price.
Always read the instructions of the manufacturer in product catalogue or on the container/packet.
ACC's waterproofing compound "ACCOPROOF" is available in powder form and 1 Kg packets. For regular purposes, 1 Kg is required to be used with 50 Kg (1 bag) of cement.
Admixtures are those ingredients/materials that are added to cement, water, and aggregate mixture during mixing in order to modify or improve the properties of concrete for a required application.
ACC has an extensive range of admixtures to protect your home from water leakages and make it fully waterproof. To know more, call your nearest ACC Dealership.
Broadly the following five changes can be expected:
The best way to test the admixture is by making trial mixes with the concrete materials to be used on the job and carefully observing and measuring the change in the properties. This way the compatibility of the admixture and the materials to be used, as well as the effects of the admixture on the properties of fresh and hardened concrete can be observed. The amount of admixture recommended by the manufacturer or the optimum quantity determined by laboratory tests should be used.