How To Install Metal Roof Ridge To Valley Tie In

Fold the top over the roof ridge and cut the bottom along the drip edge metal.

How to install metal roof ridge to valley tie in. Now that i ve finished installing the transition trim we can install an offset cleat so that we can clip our upper panels into it. Center a piece of ridge cap on the building peak. I have my valley custom made with water trough to help with leaking b. Apply butyl tape sealant at to the inside of the chalk line on both sides of the ridge cap.

In addition it is important to avoid nailing the shingles through the valley metal. The ridge cap is the last thing to put on when installing a metal roof. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. Locate the butyl tape so that the ridge fasteners will penetrate at the center of the butyl tape once the ridge cap is in place.

Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Cut the panels from the ground instead of on the roof to avoid damaging the roof with the debris. If the ridge is only 15 20 long repeat step 1 at the opposite end of the ridge. Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel.

See the illustration below. With a clean valley you can lay down some peel and stick roofing membrane. Metal roofing ridge cap installation steps. Make a mark at the cap s lower edges both sides at one end of the ridge.

Best practices for sealing the metal roof valley vary based on the slope of the roof. We have our pitch change trim installed with an offset cleat on top of it and we ve made sure to use tape seal in between the cleat and the transition trim. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. Remove the old roofing.

How to install ridge cap foam closures on a metal roof for a non vented ridge cap. How to seal metal roof valley. The top joinery of both valleys when they meet on the same plane of roof is shown here.