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cavity wall ventilation

Structural Waterproofing: How to Install DPMs and Weep Vents Correctly 03/09/2026

Structural Waterproofing: How to Install DPMs and Weep Vents Correctly

Whether you are working on a new site build, tackling an extension, or carrying out a major property renovation, keeping moisture out of the building envelope is paramount. Water ingress can lead to structural damage, compromised insulation, timber decay, and unpleasant damp issues inside the home. That’s where effective structural waterproofing comes in. Two of the most essential elements in any cavity wall or floor slab defence system are Damp Proof Membranes (DPMs) and weep vents. Combined with a solid Damp Proof Course (DPC), these products keep water outside where... Read More