How To Install Metal Roofing Over Shingles Step By Step

Make sure roof is square.

How to install metal roofing over shingles step by step.

The metal used for the roof can be tin copper aluminum or steel. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof. This provides the diyer or a customer seeking bidding docum slideshare uses cookies to improve functionality and performance and to provide you with relevant advertising. Do not drive nails less than 6 inches from the center of the flashing.

Use 1 4 inch metal wood screws to attach the metal sheets to the wood slat board base. Metal roofing sheets have to be installed one at a time. When choosing to install a metal roof homeowners need to. Again start at the bottom and nail the shingles into place.

Golden tips for installing metal roofing over shingles with an aging asphalt shingle roof homeowners are usually left with two choices. Install metal roofing sheets. Then work your way up to the top or center of the roof. Attach it by driving nails into the outside edges only.

If you have an open valley install new w shape metal or vinyl valley flashing to fit directly over the old flashing. In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles. The shingles need to be offset in every space so there are no valleys or blank spaces where a leak will start. As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

To tear off the shingles and replace with a new roof or to install a metal roofing system over the existing roof. Install metal panels or shingles align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Both options have their benefits and drawbacks.

When the felt is secured you can start laying the metal shingles. This is by far the most common way to install a metal roof. Install the roofing screws vertically along each rib in the panel.