WHAT DOES DAMP PROOFING MEAN?

What Does damp proofing Mean?

Future is really an insulation layer, followed by drain board with the integral air gap. The drain board safeguards the waterproofing layer whilst relieving hydrostatic pressure. Perimeter drains of 4-inch Plan 40 PVC protected with coarse gravel or septic rock in filter material completes the installation.The objective of a retaining wall is to ca

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