Magna Green

Magna AAC Blocks Manufacturers at Karur in India. AAC Blocks is a Lightweight, Load-Bearing, High-Insulating, Durable Building Product. Our Product Manufacturers Best Quality High Strength, Excellent Finish, Cost Effective, etc. To know more http://www.magnagreen.in/aac-blocks

Movement Joints

Always entrust a designer with construction decisions. The best way to use AAC blocks to ensure the stronger structure is by providing the movement joints with 6m horizontal centres maximum (measured continuously around rigid corners).

Footings

For full or articulated masonry AAC block construction requires level footings designed accordingly. Always ensure that the footings are stiff as the wall structure of thin-bed mortar AAC acts as if it were a continuous material. This makes sure that the cracking does not tend to follow the mortar beds and joints like the way it happens in traditional masonry walling. Thick-bed mortar AAC walls act more like traditional masonry but are not the preferred method for AAC.

Frames

Frames may be required for various structural reasons. Earthquake provisions tend to require multi-storey AAC structures to have a frame of steel or reinforcement to withstand potential earthquake loads that may induce strong, sharp horizontal forces. It is a relatively simple matter to build AAC blockwork around steel frames but embedding reinforcement rods can be costly and difficult.

Fixings

As AAC has low compression strength one cannot use mechanical fasteners. Repeated loading of the fastener can result in local crushing of the AAC and loosening of the fastener. Hence for strong structure only proprietary fasteners which are specifically designed to accommodate the nature of the material by spreading the forces created by any given load, whether it is a beam, shelf or picture hook.

Finishes

AAC blockwork and panels can accept cement render. It is important to make sure that the site-mixed cement renders have to be compatible with the AAC substrate, with the render having a lower strength than conventional renders. It is also imperative to make sure that the renders are vapour permeable (but water-resistant) to achieve a healthy breathable construction and external coating finishes should provide good UV resistance and be proven suitable for AAC.