Sp 32 usp sp standard roof drain flashing detail.
Roof vent detail.
Sp 38 usp sp preformed pipe boot.
Approvals technical bulletins warranty and building code information.
Sp 34 usp sp scupper flashing detail.
Apply a bead of asphalt roof cement on the bottom of the vent.
Nail the lower corners with roofing nails and tar the heads.
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Roof vents roof vents are extremely important when it comes to attic ventilation.
An easy tool to determine the number of o hagin attic vents required for your project.
Roof vents are available in many styles and materials.
Sp 36 usp sp vent stack flashing detail for fastened systems.
Shown in our photo above turbine vents or spot vents on roofs give a more complex venting pattern and are not problem free.
Sp 37 usp sp preformed pipe boot flashing detail.
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.
State of the art attic ventilation products.
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.
The lower half of the flange sits on top of the shingles.
Find a distributor near you.
Download free high quality cad drawings blocks and details of roof vents.
Advantages of proper roofing ventilation.
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.
Often builders install soffit and ridge vents but leave the turbine vents in place.
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.
Details are at roof vent locations roof turbine vents or spot vents.
Slide the vent under the shingles so they cover the top half of the vent flange.
