In this video from Future Interiors, we demonstrate how to extend the waterproofing membrane at the top of a house wall to improve water drainage and prevent leaks.
Three rows of roof tiles are carefully lifted to provide access for slipping a new membrane under the existing one.
This underlapping technique ensures a seamless overlap and strengthens protection against water ingress.
The process focuses on vulnerable junctions where the roof meets the wall, enhancing the overall durability of the roofing system.
Practical, step-by-step guidance shows how to upgrade waterproofing without compromising the integrity of the roof.
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