How Many Layers Of Shingles Are Allowed On A Roof In Missouri
The average 30 square roof uses 90 bundles of shingles and a bundle of asphalt roofing shingles weighs about 100 pounds which means you re putting roughly 9 000 additional pounds of weight on your roof.
How many layers of shingles are allowed on a roof in missouri. This was down on the coastal section of naples fl according to the wind map this is 140mph i can t find anything in the fbc on two layers. Three layers of roof shingles too many for an insurance company. Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio. If the current roof is in poor shape re covering may not be a sound choice.
Adding a second or third layer of shingles adds significant weight to the structure. Layering takes 5 10 years off the life expectancy of the second layer. Asphalt shingles typically can have one more layer added over the top two roofs total. But contractors who spoke with angie s list say best practices call for stripping the roof down to the wood deck to inspect it before installing a new roof.
Both layers were asphalt composition. Many shingle manufacturers do not warrant the product when it has been applied over an existing roof. For many years it was acceptable to put even the third layer. Consistent leaks shingle loss and mold growth can all point to the need for a new roof.
Now you just have to decide whether to remove the existing roof shingles or recover the roof. If it s 15 years old and they ve noticed loose granules washing off the shingles or running out of the downspouts it s a reroof candidate. In most cases two layers of shingles is advisable and three aren t normally required but if you live in an area that suffers from particularly strong. I m not sure about milford but i personally would never have more than 2 layers for all the reasons stated in my post above.
How many layers of shingles are allowed on a roof. I reported that the roof had been layered which is not recommended. 30 felt old roof covering and then new roof covering. The manufacturer of the shingles was unknown.
I know this is incorrect especially down here in florida with the heat and being in the high wind debris zone. On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing. Did a home inspection yesterday there was two layers of architectural shingles. I live in milford pa how many layer of asphalt are allowed on a roof.
When they tell me what neighborhood they re in i can also make a good guess about how many layers of shingles are already on the roof. A roofing contractor will know exactly how many layers of roof shingles are allowed in your area for your building but it is normal that you will be permitted up to three layers of shingles. The soundness of the building you re re roofing is another consideration. For example cedar or tile roofs are only allowed one layer.
Other factors to consider.