Roofing Breathable Underlay

Unlike typical synthetic underlayments deck armor helps reduce inside moisture from becoming trapped within your roofing system.

Roofing breathable underlay.

Traditional asphalt felt underlayments tear easily and absorb moisture leading to wrinkling that telegraphs through the shingles. Roofing felts are marginally breathable and certainly suffer from condensation through the winter months. At least 600 greater tear strength than standard 30 asphalt felt. Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.

Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. Its unique breathable technology allows moisture to escape the roof system helping to prevent premature roof system deterioration. Gaf deck armor premium breathable underlayment provides a critical layer of protection under your shingles against wind driven rain and other sources of moisture. Underlayment is a popular option to protect your new house temporarily to keep the roofing subfloor etc.

Ice and waterproofing membranes that are self sealing at the joints and at nail penetrations are almost perfect vapor retarders. Before this low resistance underlay was widely used in combination with a high low ventilation system primarily in the form of eaves vents and ridge vents. But both the british standards and nhbc stipulate that high level ventilation must be used with these underlay types to ensure sufficient cross flow ventilation to carry water vapour out of the building. It is often used mistakenly as a sole means of roof ventilation.

For optimum performance use cedar breather with rapid ridge 7 ridge vent. Vapour permeable vp is the most common type of breathable underlay. Breathable roof membrane is the newer of the two underlays and the one whose popularity has soared in recent years. Special slip resistant surface provides enhanced walkability even on steeper pitched roofs.

Quality roofing underlayment is critical for helping to prevent wind driven rain from infiltrating under the roof s shingles and potentially damaging the home s structure and interior.