Flat Roofing In The Rain

One of the first things we do during inclement weather is to make sure extra safety precautions are taken at the job site.

Flat roofing in the rain.

A roof repair or even replacement can be done when it is raining. The exception would be a flat roofed structure. Roofing in the rain not only means you or your roofing experts will be extremely wet uncomfortable and exposed to more risk but it also means that your new roof could have less integrity than if it were installed in dry conditions. Be wary of a roofing contractor who promises to install a new roof regardless of the weather.

One of the roofing pros we spoke with says mist won t affect osb any more than the humidity that osb absorbs on a hot day. So back to the question of whether your roof can be worked on when it is raining. The biggest issue is that it can be almost impossible to spot any problems until significant damage has been done. Shingles will not stick to a wet roof.

But it is possible to. Rain can also pool in any sagging flat roofing membrane adding undue weight to your roof s structure until the membrane is unable to cope with the load and splits. By the time you have noticed your flat roof may be beyond repair. Shingles replace missing shingles or damaged shingles if in a small.

Specific guidelines are set for how shingles and materials should be installed so the manufacturer is not liable for damage that results from faulty workmanship. High winds and heavy rain can damage a flat roof or cause it to leak. For clarity flat roofs actually have a slight slope to allow rain water to drain off the roof but they seem flat when compared with more traditional steeply sloped roofs. Remove debris remove all debris from the surface of your roof and inspect to see if you have shingle damage flexible roof sealant apply flexible roof sealant from a can or tube to exposed nail heads holes gaps and loose.

Installing a roof in the rain may void your warranty roofing manufacturers guarantee their products but not the installation. The slope should be a minimum of 1 in 80 but in practice a minimum slope of 1 to 40 should be used to allow for deflection of the roof and for normal building tolerances. You might be surprised to find that the answer is yes. If damaged shingles or underlayment are allowing rain to seep into the attic or walls it could cause mold mildew and other damage.

It is not the fault of your contractor and while the delays can certainly be frustrating a contractor who attempts to install a new roof in the rain is going to be compromising the overall integrity of the installation. If it starts to rain or drizzle the roofers should act quickly to cover your osb most likely with a tarp.