Purpose Of Roof Jacks

You can usually feel sheathing nails which are driven into rafters through the underlayment attach a jack by driving two 16d nails never roofing nails into a rafter.

Purpose of roof jacks.

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. 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. Vent caps provide protection from rain snow and debris.

Our strong steel design provides maximum leak protection with a press sealed built in roof flashing. Ideally locate a rafter below the sheathing. Lift up the tab and nail the jack into place. Roof jacks are nailed to the roof directly over rafters for strength.

Slide the upper tab on the jack under the shingle so that nail hole in the jack is barely covered. Cut roof shingles to fit around the roof jack and insert them under the existing shingles. Roof jacks are used to receive and cover venting duct pipe from kitchen and bath fans and for attic ventilation. Use a hammer to bend the top edge of the soft lead roof jack down into the vent pipe.

Speedi products bv arj 07 7 inch galvanized 1 2 to 7 12 pitch adjustable b vent roof jack. Roof jacks provide a stable surface to work increasing safety and making it easier to apply roofing. Nail the new shingles down with roofing nails so the nails are covered by the shingle above.