How To Install Tin Roof Cap

See the illustration below.

How to install tin roof cap.

Make a mark at the cap s lower edges both sides at one end of the ridge. Next i ll remove the hip cap get our z trim cut them to length and install them. Install the roofing screws vertically along each rib in the panel. Place the first screw about 7 inches from the bottom and each subsequent screw about 18 to 24 inches apart along the vertical run.

Metal roofing ridge cap installation steps. Remove the old roofing. In this part i cover installing vented foam closures and the rid. Begin metal roof ridge cap installation by drawing lines the closure material goes on before the actual ridge cap.

For a longer ridge move along the ridge repeating. First we re going to position the hip cap so that i can mark the tops of the ribs with a sharpie which will tell me where to put the z trim. This is part 6 of a 6 part video series explaining how i installed a metal roof on my house. Press the cap into the foam and drive in self sealing screws along the edge of the roof cap.

Remove the paper backing and stick it to the metal roof. If the ridge is only 15 20 long repeat step 1 at the opposite end of the ridge. Secure the screws but do not overtighten. The washer under the screw head should seal to the surface of the panel without bulging or shifting.

Use foam insulation along the edge of the roof cap where it meets the metal roofing material. How to install ridge cap foam closures on a metal roof for a non vented ridge cap apply butyl tape sealant at to the inside of the chalk line on both sides of the ridge cap. Start at one edge of the roof and lay the cap on the ridge line. 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. To make sure you put it in the right place you need to make reference lines. Although you can install corrugated metal roofing over shingles for the best foundation it is recommended that all the old roofing be removed. In the same way that we use z trim for the installation of end wall flashing.