5 Essential Elements For damp proofing
Upcoming is surely an insulation layer, followed by drain board using an integral air hole. The drain board safeguards the waterproofing layer though relieving hydrostatic tension. Perimeter drains of 4-inch Routine 40 PVC lined with coarse gravel or septic rock in filter cloth completes the set up.Resolve leaks and improve air flow: Restore any pl