Flat roofs can have its own problems;
dry rot is one of them.
Flat roofing can be a problem because it is difficult to get all the water to drain off the roof. If the roof sags at all, the water will puddle until it evaporates. The puddles can cause the roof to sag a bit more; more water will be resting on the roof. If there is any failure in the roofing, the moisture can
accumulate quickly into the plywood, and framing below. This can cause wood rot to begin.
Flat roofs do not last forever, so regular inspection and maintenance is highly recommended. A well maintained roof will last a long time before a new water proof membrane is necessary. It may be a good idea to contact a qualified roofer contractor to give you his opinion about the flat roof.
There are some simple things that you can do to help salvage the life of the roof.
- Remove debris like branches from the rooftop.
- Blow off or sweep away the leaves and dirt that can accumulate.
- Make sure that the downspouts and scuppers are clear and working correctly.
- Visually inspect the roof for areas where water can permeate the waterproof membrane.
- As you walk, pay attention to soft areas of plywood sheathing.
- Check to see if the flashing is still diverting water.
These simple maintenance items should be done as needed in your location. Maintaining your roof will add to the life of the roofing system, and save you money in the long run. Proper maintenance of the roofing membrane will reduce or eliminate dry rot and water damage caused by a failed roofing system.
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