For decades, it has been a common practice to cover existing wood shingle roofs with asphalt (or "composition") shingles when the house needed a new roof. It wasn't perfect, but it worked. Recently, after many storm related insurance claims, the major insurance companies made a business decision not to write new policies for houses that had asphalt shingles over wood shingles. It doesn't matter what kind of shape the roof is in.
Two, and sometimes three, layers of asphalt shingles are fine. But, not asphalt over wood. Why? For the insurance company it just costs so much more in labor and materials to replace such a roof system if you were to make a claim in the future. The reason for that is shown here -
A wood roof has these gaps underneath the shingles to allow the roof to "breathe". Asphalt roofs instead need solid decking to go under the felt and shingles. So the asphalt-over-wood roof needs to be stripped to the bare rafters and started from scratch. That's where the expense comes in.
That's just another reason to have your prospective house inspected by Complete Home Inspection BEFORE you buy it. And for sellers, it's another reason to have your house inspected BEFORE you put it on the market. It's a great way to avoid last-minute surprises for either party, and get some peace of mind at a very hectic time for you.
Whole house inspections, condo inspections, radon testing, mold testing, we do it all for you. Call or E-mail today to schedule your Complete Home Inspection, 913-268-02222, www.completehomeinspectionkc.com.
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