How To Install Metal Roofing Over Existing Shingles. So that balances the cost out. When you come to a jack, cut a hole in the metal directly above the pipe or vent.
Begin laying the metal sheets from the bottom to the top of the roof. Use corner pieces to fit bends on the roof, such as at the peak. There’s a green aspect to installing metal over existing asphalt shingles.
Table of Contents
Bend It Into A “V” Shape.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Hat over zee clips can be used to recover existing exposed fasteners as well as low and high floating standing seam roofs that are installed on open framing, including purlins, hot roll channels, hat sections, or bar joists. When you install your new metal roof over an existing shingle roof, you immediately save money that normally would be spent to have the old roof torn off.
And The Painting On Metal Roof Today Has The Added Ability Of Being Able To Reflect Some Of The Heat Back Out Of The House, Too.
Corrugated metal roofs are sturdy and strong and are used to cover longer roofs. Attach the roof jacks per instructions. The two pieces should meet neatly at the corners.
Besides, Metal Roofing Materials Weigh Much Less Than The Shingles, Making It Easier For You To Install Then Over Shingles.
This framing system can be installed directly over existing shingles or applied over existing decking or underlayment. If the eaves have gutters, make sure the eve flashing overhangs over the lip of the gutter by about 1/2 inch. How to put a metal roof over shingles step 1:
Anatomy Of A Steel Roof.
In almost every case, the answer is yes, you can lay down a new metal roof over an existing shingle roof. Asphalt roofs typically last 20 to 30 years, depending on the installation and shingle quality. But this is just one of many benefits of a metal roof.
Cool Outside Air Travels Under The Shingles To The Vented Ridge, Pulling Out Moisture And Heat.
Fit it over the top of the roof ridge, and use fasteners to attach it. Overlap the rises and dips if using corrugated sheets, or lay flat sheeting with a slight vertical overlap. Drive nails at high points on the underlying roof, the bottoms of the shingles.