3 Layers Of Shingles On My Roof

So in my experience if you had a roof that typically would last 20 years you put a shingle a layer or two of shingles underneath you re going to have it last more like 13 to 15 years.

3 layers of shingles on my roof. My question is if having 3 layers of shingles will extend the useful life of the roof. Can i have three layers of asphalt shingles on my roof. Top answer 64 of 28. My roof was a sad sagger before the complete tearoff of the 3 layers that were on there around 3.

I have a building with 3 roofs on it the top layer is starting to curl etc due to its age. Re shingle roof as part of a larger plan despite these drawbacks layering shingles can still be the best plan for your roof. I ve seen it cut a quarter to a third of the life off. Ridge caps typical shingles can t cover ridges well though so this specialized extra long shingle is installed along the ridgeline of a sloped roof.

I ve seen some really bad sagging roofs with 2 3 and 4 layers of shingles on it. This tops anything i have seen in 25 years of roofing duration. If you do remove the old shingles you will end up with a nice fresh layer of felt on the roof deck. I know this is vague but i hope you see where i m going with this.

Architectural shingles make up most roof replacements today as their cost is only marginally more than 3 tab and they come with far superior specifications and warranties. I was told by my insurance company that they don t cover a roof that has three layers of roof shingles on it so i ve gone to another carrier for an estimate. In most cases 3 in some cases 28 never 64 not sure 3 next question question. This other carrier would charge me quite a bit because i d only.

West coast roofer. First of all multiple layers of shingles simply means layering a new asphalt shingle roof on top of the old one rather than stripping the roof completely to expose the sheathing and replacing it with new shingles.