Green Friendly

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While traditional window framing materials are dimensionally stable on the shop floor, how they perform in the real world during extremes of humidity, heat, and cold is quite a different story. With metal-clad wood, PVC, and aluminum frames, the varying expansion rates between the glass and frame can result in stressed frames, air leakage, broken glazing seals, condensation, and inoperable hardware. With fiberglass, the window glass and frame materials are the same, allowing the glass and frame to expand and contract at the virtually same rate.

Doug NowlinGreen Friendly

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