Roof Jack Definition

Pronunciation ˈruːf dʒak ˈrʊf dʒak noun north american.

Roof jack definition.

1 a platform or other support erected on a roof to facilitate repair painting etc. Cut roof shingles to fit around the roof jack and insert them under the existing shingles. Made for 4 12 roof pitch but can be adapted to 3 12 5 12. Built in roof flashing press sealed for maximum leak protection.

2 a smoke vent of a chimney. They can also be used to vent exhaust from kitchen and bath fans etc. Also an airtight fitting attached to the roof and joining the internal and external sections of a vent pipe. The jacks must be properly nailed or leaks in the roof could occur.

The structural building components association website defines a hip roof as a roof system in which the slope of the roof at the end walls of the building is perpendicular to the slope of the roof along the sides of the building while framing terms differ by region most trussed hip end systems will include hip trusses jack trusses end. Use a hammer to bend the top edge of the soft lead roof jack down into the vent pipe. Definition of roof jack in english. Master flow 6 in.

Raise the roof until a 1 4 in hole is visible in the side of the upper section of the corner post facing the roof jack then snap the locking pin in place and lower the roof jack slightly. Sturdy galvanized steel construction. Also an airtight fitting attached to the roof and joining the internal and external sections of a vent pipe. Dektite 1 df201re round red high temp silicone flexible pipe flashing roof jack pipe booting flashing for od pipe sizes 1 4 2 1 2 5 0 out of 5 stars 2 15 95 15.

Roof jacks are use for attic ventilation and protection from rain snow and debris. Thd sku 470126. Slide the upper tab on the jack under the shingle so that nail hole in the jack is barely covered. Lift up the tab of a shingle where you wish to install the jack.

Roof jacks are nailed to the roof directly over rafters for strength. Roof jacks are used as boot flashing around pipes extending through roof. Nail the new shingles down with roofing nails so the nails are covered by the shingle above. 2 a smoke vent of a chimney.

Roof jack with vent cap 6 per carton sturdy galvanized steel construction.