Bruising occurs when a hailstone s impact disperses the roof s granules.
Old roof vs shingles.
Although it sounds like a good idea we can assure you the cons heavily outweigh the pros.
In fact the only pro to a shingle over is it s cheaper and cleaner.
Because they re largely made of recycled material and can be recycled again and again metal roofs are considered a more sustainable choice than asphalt shingles.
Asphalt shingles are easy to install last anywhere from 10 to 50.
Due to the interlocking installation of the shingles and the thicker layers of materials shingles also tend to last longer.
Missing or loose granules.
When contemplating a new roof many people hope to simply do a shingle over and avoid the extra cost and mess of tearing off the existing roof and starting from scratch.
Bruising will feel like.
Architectural shingles have longer warranties because they are thicker than most 3 tab shingles.
Asphalt shingles are the most popular roofing material.
The limited lifespan of rolled roofing restricts its applications.
If you re getting ready to replace your roof have you considered tile roofs vs.
Fiberglass core or matting an asphalt coating and a ceramic or stone granule surface give this material its durability.
The average lifespan for an asphalt shingle roof is about 20 years while asphalt rolled roofing typically lasts five to eight years.
When most people think of a roof they think of shingles.
For cr s roofing tests we focus strictly on asphalt roofing shingles because they re by far the most common choice for roofs.
But actually traditional asphalt shingles aren t the only option.
Your roof hail damage vs.
You could conceivably get the benefits of an asphalt shingle roof which is fairly low maintenance with the look of a cedar shake roof with an architectural shingle.
Many homeowners opt for tile roofs instead.