A: Thank you for your question. Please contact your local code office for building codes in your area.
A: You didn't answer the question. they are not ask where to place the vent but what pitch can this vent accommodate. for example will it work on a 4/12 pitch? how about a 12/12 pitch or how about in my case in a victorian house a 24/12 pitch roof? thanx
A: Thank you for your question, This vent should be installed within two feet (24 in.) of the roof peak.
A: Thank you for your question. Life expectance is controlled by proper installation and environmental conditions beyond the control of manufacturer.
A: Thank you for your question. This Aluminum roof vent is for attic ventilation to reduce unwanted heat and moisture which can damage wood or roofing.
|Brand||Gibraltar Building Products||Gibraltar Building Products||Master Flow||Gibraltar Building Products|
|Name||50 sq. in. Black Plastic Roof Vent Net Free Area||4 in. Gray Plastic Roof Cap Vent||60 sq. in. NFA Aluminum Slant Back Roof Louver Static Vent in Black||4 in. Black Plastic Roof Cap Vent|
|Net-Free Area (Sq. In.)||50||12.56||60||12.56|
|Features||Built-in Screen,UV Resistant||Built-in Screen,UV Resistant||Built-in Screen,Paintable||Built-in Screen,Paintable,Stainable,UV Resistant|
|Mounting Position||Roof Mount||Roof Mount||Roof Mount||Roof Mount|
|View Product||View Product||View Product||View Product|