Purpose Of Roof Jacks

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Purpose of roof jacks.

Cut roof shingles to fit around the roof jack and insert them under the existing shingles. The traditional roof jack and the total jack from dot metal products both share the same purpose. The jacks must be properly nailed or leaks in the roof could occur. Ideally locate a rafter below the sheathing.

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. Made for 4 12 roof pitch but can be adapted to 3 12 5 12. Nail the new shingles down with roofing nails so the nails are covered by the shingle above. Use a hammer to bend the top edge of the soft lead roof jack down into the vent pipe.

Slide the upper tab on the jack under the shingle so that nail hole in the jack is barely covered. Roof jacks are nailed to the roof directly over rafters for strength. To keep water from entering a home by protecting any pipe penetration through a roof. Lift up the tab and nail the jack into place.

Roof jack with vent cap 6 per carton sturdy galvanized steel construction. They also come in the same general diameters and finishes. Built in roof flashing press sealed for maximum leak protection. However the most exciting advantage of the total jack is its adjustable cap and turbine base that.

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