Window Expert Discusses Metal Clad Wood WIndows
As a result of a window failure analysis performed by a failure analysis expert, several observations were made with respect to metal clad wood windows. The perception is that these windows are almost maintenance free. The outside metal cladding does not need painting, and the wood layer is inside, so it requires minimal maintenance. Numerous window failure analysis has shown that under certain circumstances, water enters through poor seals on the seams of the metal cladding. Once the water enters, the wood swells, and the seam openings worsen. Worse is that the wood cannot dry out because of the metal barrier. In addition, the metal cladding on the windows heat up to 140°F and higher. This is a "composting" environment that causes the wet wood behind the cladding to rot. In the early stages, the window damage is not visible because it is behind the metal cover. Eventually, the wood becomes weak and the window can no longer protect the interior of the building. Often this happens before the home owner is aware that there is a problem.
Labels: failure analysis, failure analysis expert, metal clad windowsage, window dam, window expert
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