R-Vent® is a ventilation mat used in metal and tile roof construction. The 90% open mesh creates an airspace/cavity that is perfect for promoting air flow in all directions between the metal panels and sheathing.
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Install plywood roof sheathing onto rafters. Install roofing felt or ice dam protection membrane over sheathing. Check local codes and manufacturer’s recommendations for specific requirements.
Install R-Vent® over roofing felt, ice protection membrane, and metal edge flashing or drip edge. Ensure R-Vent® material is installed flush against edge of the flashing or drip edge. Carefully trim the R-Vent® material at all penetrations with a utility knife or scissors.
When installing metal or alternate material shingles, unroll R-Vent® horizontally just ahead of the shingles as they are installed. Tack or nail R-Vent® in place every three square feet. Do not overlap the R-Vent® material. Butt each course tightly against the previous course and at vertical seams.
When installing vertical metal roofing panels, unroll R-Vent® vertically from ridge to eave just ahead of the metal panels as they are installed. Tack or nail R-Vent® in place every three square feet. Do not overlap the R-Vent® material. Butt each course tightly against the previous course and at vertical seams.
At ridge locations, extend R-Vent® material over the ridge and butt against the material on the opposite side of the roof. If a ridge vent is utilized, follow the ridge vent manufacturer’s recommendations for underlayment material installation.
Apply roofing materials using manufacturer’s recommended fasteners and instructions, allowing for the additional thickness of the R-Vent® material.
If you’re looking for a winter getaway, come see Advanced Building Products at the IBS Show in the Las Vegas Convention Center. The show runs from January 31st – February 2nd and is open from 9:00 am – 5:00 pm daily. We will be at booth # SU1753 and would love to talk with …