Expansion joints are structural joints between two concrete structures to accomodate movements of each structure. This provide a fre movements upon thermal expansion. It is mandatory to provide such joints for big construction, that is longer than 20 meter.
Thies joints must be sealed properly to protect from water seepage throu the joints. Expansion joint sealing is done using various sealants and joint tapls to make completly water tight the surface
The Basement and the Foundation are the places that require the most attention because water can cause major problems. Water can crawl into wall spaces and create a wet damp
The APP bitumen membrane, short for Atactic Polypropylene Membrane, is a special waterproofing material that is manufactured from Bitumen. They comes in rolls. Each roll measures 10 metres by 1 metre
The Basement and the Foundation are the places that require the most attention because water can cause major problems. Water can crawl into wall spaces and create a wet damp
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