Must Old Shingle Roof Be Removed For Metal Roof
The old roofing should be removed underlayment installed and furring strips screwed down for the metal to be fastened to.
Must old shingle roof be removed for metal roof. It won t hold over time. Don t let the installer screw the metal to plywood sheathing. March 11 2020 by safe harbor roofing reroofing is the practice that involves installing a new roof over an existing one.
If you re keeping the old metal flashing carefully remove nails and bend it upward off the shingles with a pry bar. Most building codes define the options as follows. Removing your old asphalt shingle roof is the first step in getting a new roof installed but what is the process like.
Once it s out of the way pull any nails and remove any shingles and underlayment that are underneath. The main advantage of leaving the old roof on is obvious you can minimize the mess removal costs and disposal expense if you can leave the old shingles in place. Skylight and chimney flashings are often worth saving if they re in good condition.
Now if a roof has current issues such as leaks or deteriorated decking including dips and buckles those must and should be addressed before the new roof is installed and that may require removing the old shingles. A true standing seam vertical roof however will require that either the old shingles be very smooth they be removed or battens be installed over them. Our answer simply depends on what kind of roofing you currently have installed but we usually install metal roofs over existing shingles.
Today on the metal roofing channel thad walks through the steps of how a shingle roof tear off is accomplished and discusses what you need to know in order to get your property ready for the day of the removal. As you plan your metal roof replacement you might be asking a trusted roofing contractor at nc rebuild inc. It can be a difficult question to answer because while it is possible to roof over a single existing layer of shingles it is always a better idea to tear the old shingles off and install a completely new roof.
Whether you should have your old shingles removed first before having a new one installed. When the time comes to reroof an existing asphalt shingle roof a decision must be made whether to remove the old shingles or apply new shingles directly over the existing layer. This will help avoid showing ripples in the metal roofing panels.
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