Purpose Of Roof Jacks

Roof jacks are used to receive and cover venting duct pipe from kitchen and bath fans and for attic ventilation.

Purpose of roof jacks.

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. The main purpose of roofing jacks is specifically for safety the shingles are actually laid starting at the very low edges up to the roof up to the scaffolding and the ladder. Nail the new shingles down with roofing nails so the nails are covered by the shingle above.

Ideally locate a rafter below the sheathing. The jacks must be properly nailed or leaks in the roof could occur. Cut roof shingles to fit around the roof jack and insert them under the existing shingles. Once we have finished the first areas of the roof we actually move upward and once it the slope it is crucial to move to an area where we can actually step on something.

Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing. Our strong steel design provides maximum leak protection with a press sealed built in roof flashing. 5 0 out of 5 stars 2. Roof jacks are nailed to the roof directly over rafters for strength.

Use a hammer to bend the top edge of the soft lead roof jack down into the vent pipe. Lift up the tab and nail the jack into place. Speedi products bv arj 07 7 inch galvanized 1 2 to 7 12 pitch adjustable b vent roof jack.