Roof Vent Detail

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.

Roof vent detail.

Sp 35 usp sp vent stack flashing detail. Slide the vent under the shingles so they cover the top half of the vent flange. Often builders install soffit and ridge vents but leave the turbine vents in place. Sp 38 usp sp preformed pipe boot.

Details are at roof vent locations roof turbine vents or spot vents. Sp 33 usp sp standard roof drain flashing detail for fastened systems. Roof vents are available in many styles and materials. Apply a bead of asphalt roof cement on the bottom of the vent.

Since february 1997 active ventilation products avp has been a supplier of roof vents roof jacks and whole house fans for fema federal emergency management agency housing hud united states department of housing and urban development housing and for those in the modular commercial and residential markets. Cor mtl7f 3 purlin vent shed roof detail cor mtl7g 3 purlin vent wood frame detail cor mtl7h 3 purlin vent structural steel detail cor mtl8 metal roof framing w wood deck and ridge vent cor mtl9 metal framing w s 400 soffit vent cor sp1 spacer for metal roofing over asphalt shingles. Advantages of proper roofing ventilation. Sp 32 usp sp standard roof drain flashing detail.

Download free high quality cad drawings blocks and details of roof vents. Approvals technical bulletins warranty and building code information. Sp 36 usp sp vent stack flashing detail for fastened systems. Sp 34 usp sp scupper flashing detail.

Although there are many different types of roof vents to choose from ensuring you have the right number of both intake and exhaust vents is a central part of roof design. Shown in our photo above turbine vents or spot vents on roofs give a more complex venting pattern and are not problem free. The lower half of the flange sits on top of the shingles. Nail the lower corners with roofing nails and tar the heads.

The installation of roof vents is a crucial part of roof design because it allows for proper attic ventilation which may help prevent condensation and early aging of your roofing materials. In the summer roof vents will reduce the air temperature which reduces air conditioning and in the winter they reduce the humidity level of the cold air which in turn reduces costs for heating. Sp 37 usp sp preformed pipe boot flashing detail. An easy tool to determine the number of o hagin attic vents required for your project.