It allows for maximum air to flow while alleviating back pressure.
Roof jack for fan.
Crimped end for easy installation of the roof vent over the base.
Broan nutone roof cap in natural aluminum finish 3 1 4 inch x 10 inch or up to 8 inch round duct.
Union corrugating 14 in x 120 in gray steel stick roof ridge vent.
As opposed to plastic roof jacks roofing cement can be used in direct contact with this product.
Available in sizes 3 to 48.
The only roof jack with an adjustable base.
Available in 6 and 8.
Our strong steel design provides maximum leak protection with a press sealed built in roof flashing.
Owens corning ventsure 11 in x 240 in black plastic roll roof ridge vent.
Vent caps provide protection from rain snow and debris.
Roof jacks are used to receive and cover venting duct pipe from kitchen and bath fans and for attic ventilation.
Roof jacks are used to receive and cover venting duct pipe from kitchen and bath fans and for attic ventilation.
The quality is good sheet metal with baked enamel finish.
Sturdy galvanized steel construction.
Like our round back roof jack residential versions this commercial product is also used for bathroom fan and range hood fan exhaust.
From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.
Start in the attic and drill a hole through the roof in the desired vent location.
Our keepa roof jack is to be used in conjunction with bathroom fans or where ever exhaust vent protection is needed for a ducted system.
Black brown weathered wood mill.
For pricing and availability.
The keepa roof jack is an excellent choice for venting out air from a ducted system is because of the aerodynamic shape and louvered design.
Sturdy galvanized steel construction.
Adjusts to fit most roof pitches.
Patented design us pat 8 534 013 b3 and us pat 8 615 943 b2.
This roof jack is high capacity suitable for high airflow kitchen hoods.
Try to keep it close to the fan location.
For pricing and availability.
Leave the drill bit sticking through the roof so you can find the hole.
Flat roof base for round ducting ventilators including turbines gravity ventilators and aero foiles.
Vent caps provide protection from rain snow and debris.
I installed it for a vent a hood dual blower kitchen hood and it is large enough to handle the 600 cfm airflow.
Curb mounted flanges are also an option if you want to place the roof jack on a roof curb.