Roof Exhaust Vent Flashing

Slide the vent under the shingles so they cover the top half of the vent flange.

Roof exhaust vent flashing.

See the benefits of attic ventilation a new roof is more than just shingles. Save time on the roof made for single ply roofing systems flashco vent flashings are a time saver by allowing the installer to quickly vent penetrations on the roof. Free delivery with 45 order. Oatey retro master roof flashing 1 4 in to 4 in x 8 in epdm rubber vent and pipe flashing.

Nail the lower corners with roofing nails and tar the heads. Center the pipe in the flashing and push the flexible front corners up or down so that the flashing pipe is parallel to the vent pipe. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. Ventilation openings shall have a least dimension of 1 16 inch 1 6 mm minimum and 1 4 inch 6 4 mm maximum.

Enclosed attics and enclosed rafter spaces formed where ceilings are applied directly to the underside of roof rafters shall have cross ventilation for each separate space by ventilating openings protected against the entrance of rain or snow. Inside diameter black new construction or reroof thermoplastic vent pipe roof flashing model pb 312 4bk 19 97 19 97. The lower half of the flange sits on top of the shingles. Inside diameter black new construction or reroof thermoplastic vent pipe roof flashing model pb 312 4bk 19 97 19 97.

Attic ventilation is an ibc building code requirement. Roof exhaust vents intake vents attic fans solar fans. Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. Find vent pipe flashing at lowe s today.

Slide the new flashing over the vent pipe and under the shingles above the pipe. Set your store to see local availability add to cart. Free delivery with 45 order. Apply a bead of asphalt roof cement on the bottom of the vent.