A roof leak during Fort Lauderdale, Miami and Palm Beach 's rainy season can drive you crazy, so how do roof leaks happen?
It's a fact: roofing manufacturers engineer leak-proof roofing materials.
Just take a look at your small shed or dog house, how many times has it leaked? That's because rarely you will find a chimney, fan vent or valley on your dog house or small shed.
On the other hand, you do find at least one of these items on your house or commercial roof. So what's going on then?
We're going to let you in on a little secret...
Roof flashing are materials used to cover holes and gaps that do not get covered by the primary roofing materials.
Take your chimney for instance: The primary roofing materials must butt up against your chimney in such a way that it allows for the expansion and contraction of the primary roofing materials.
This holds true for any other object that penetrates through your roof, where two sloping roofs form a valley or a where your walls intersect with your roof.
The main purpose of flashing materials is to shed the water onto the primary roofing materials. This means...
Throughout this website we have told you roofs can last many years. However, this means the flashing materials must have the same life span as the primary roofing materials for this to be true.
Flashing materials must also be shaped easily and have the capability of being soldered or welded. This is because flashing materials must be able to bend around corners such as your chimney. Examples of good flashing materials are: copper, tin coated steel and galvanized steel.
Above all, these materials must endure the expansion and contraction of both the primary roofing materials and other non-roofing objects such as your chimney, fan vents and stucco walls.
Here in Fort Lauderdale, Miami and Palm Beach, your roof is constantly being exposed to UV rays from the sun.
This causes an extremely hot surface and as a result, your materials expand. At night the temperature drops and your materials contract. The high humidity even causes your framing lumber to shrink and swell and shifts your rafters.
As you can see, the subject of flashings cannot be fully described on this page. In fact many books do not fully cover this complex topic.
For these reasons it is important you hire professional, Fort Lauderdale, Miami or Palm Beach roofing contractors to repair your leak, who are stable enough to back any warranties and their work.
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