Tiscobuild - 250mm

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Tiscobuild - 250mm
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Specification
Thickness: 250mm
Length: 600mm
Height: 200mm

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Total Amount: ₹0 (Prices mentioned are inclusive of all taxes)
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Estimated delivery by02 Apr 2024

Description

Tiscobuild - 250mm

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Frequently Asked Questions

There could be several reasons for cracking of blocks - 

  • Deflection of beam, soil settlement to one side, uneven placing of blocks during construction are some reasons of wall cracking.

  • Structural Movements due to Thermal Expansion or change in moisture content or moisture movement can also be the reason.

  • If the joints are not properly filled, it leads to uneven settlement. It may lead to stress concentration and cracking. A uniform 3mm to 4mm joint thickness is mandatory.
     

By using some construction techniques and proper workmanship we can minimize these cracks

  • Levelling of blocks should be accurate and must be checked using Spirit level preferably of 2-meter length.

  • First Course of Blocks should be given sufficient time to set, at least 24 hours must be given. Framed Structure should be given enough time to set to cure and settle for at least 24 hours so that any change in structure due to structure movement can be noticed.

  • Bond beam must be given after every 1200 mm height using reinforcement of two MS bars of 8 mm tied with 6-8 mm steel with a gap of 6"-9". Minimum thickness of bond beam must be taken 3" with concrete cover 15-20 mm on sides. Steel bars must be embedded in column 5-6 times of its diameter and must be fixed using non shrinkable, high strength grout.

  • Mortar Mix for filling the bond beam can be lean concrete. Purpose of bond beam is to give stability and strength to the wall.

  • Packing of coarse aggregates below the top beam is essential as it fixes the wall in place and does not allow vibration from loads of the upper slab in the blocks.

  • Take care to use only mechanised cutting tools to cut the blocks - do not use chisel and hammer. Because cutting the block in perfect right angle is important.

AAC Block stacking should be preferably done on Pallet to protect the bottom blocks from dampness. Ground should be clean and levelled. Blocks should be kept on its height side as we construct the wall. Height of Stacking may be taken as 1200-1500 mm. Blocks should be kept lightly on stack to avoid any possible damage during stacking. Blocks must not be lifted or placed rubbing above one another. Blocks must be stacked in systematic arrangement so that counting of same may be easier.

When we apply mortar on blocks, AAC absorbs certain amount of water from mortar mix and mix may get cracks, so prior moistening of blocks is essential. For this purpose, we sprinkle the block top and side surface with water for few seconds. Purpose is to wet the surface of blocks. Never do too much wetting of blocks.

Use any non-shrinkage mortar. First apply thin cement slurry on chase, fix fibre mesh and then apply non-shrinkable mortar.

Begin the block masonry with a starter bed of 3 to 4 inches at the bottom of the wall. Begin the AAC masonry work on this starter bed.

Normal nails once fixed may come out. Use fasteners or screwed nail. Anchors made of plastic and nylon will work. Use power drill for anchoring. For electrical conducing (Jhari), preferably use electric chaser (Jhari making machine), it gives fine and accurate chasing and no impact on AAC wall. Manual chasing using normal chisel should be avoided.

AAC Block wall is recommended to be constructed of minimum 125 mm for internal wall purpose & 150 mm for external wall purpose.

  • Kindly use a drilling machine to fix furniture in the AAC Block wall.

  • After you drill a hole at the desired location, insert a rawal plug.

  • Now fix your furniture by passing a screw through it and tightening it into the rawal plug.

  • Now your furniture has been safely fixed to the wall.

  • You can see below that each AAC Block can easily take a load of 40kgs without any issue.

Following is the procedure for fixing door frame in the AAC block wall:

  • Use long holdfasts embedded in wall for stronger support to frames.

  • These holdfasts can be fabricated with the site reinforcement. 

  • After building your masonry to a level below the holdfast, stop the block work. Embed the holdfast in lean concrete. Once the concrete sets, continue the block work.

  • Please ensure that the holdfasts are fully embedded in concrete with no part of it exposed to the atmosphere.

  • Lintel has to be provided on top of doors and windows.

Installing pipes and electrical fittings in the AAC block wall is easy with the right tools.

  • For electrical conduits and piping installation, use a power tool like cutting wheel.

  • Cut a chase into the wall at the desired location with the cutting wheel.

  • Insert your pipes and then close the gap with jointing mortar by levelling upto the wall surface.

  • Similar method is used to install electrical installations.

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