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How To Install Metal Roofing Over Existing Shingles

How To Install Metal Roofing Over Existing Shingles. Make sure to check if the building code in the area you reside in allows the process of laying a new roof on top of an existing one, and if it does, how many layers are acceptable. 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.

Installing Metal Roofing Over Shingles [DIY] in 2021 Metal roof
Installing Metal Roofing Over Shingles [DIY] in 2021 Metal roof from www.pinterest.com

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. Asphalt roofs typically last 20 to 30 years, depending on the installation and shingle quality. Installing metal roofing panels over shingles.

Besides The Cost Concerns, Leaving The Existing Shingles Adds An Extra Layer Of Protection To The Home’s Roof.

Corrugated metal roofs are sturdy and strong and are used to cover longer roofs. Bend it into a “v” shape. To vent the roof, holes are cut in the old roof above the soffit, which pulls air through the soffit vents underneath.

All The Existing Vents, Roof Jacks, And Edge Trim Must Be Removed From The Roof.

Attach the roof jacks per instructions. Besides, metal roofing materials weigh much less than the shingles, making it easier for you to install then over shingles. 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.

Tying Into An Existing Roof Shingle That Needs The Expertise Of An Ardent Roof Contractor Who Will Hack The Job And Deliver A Flawless Result.

This framing system can be installed directly over existing shingles or applied over existing decking or underlayment. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. If the eaves have gutters, make sure the eve flashing overhangs over the lip of the gutter by about 1/2 inch.

Things To Consider Before You Opt For A Reroof:

If you do not have a shaving scraper, use a flat shovel to get under the shingles. The new underlayment offers more protection against water seeping under the metal roofing and acts as a buffer between the shingle roof and the metal. Overlap the rises and dips if using corrugated sheets, or lay flat sheeting with a slight vertical overlap.

When You Come To A Jack, Cut A Hole In The Metal Directly Above The Pipe Or Vent.

Make sure the corner of the flashing sits flush to the edge of the roof. Repair broken shingles that are torn or cracked. 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.

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