Sunrooms By Brady Sunrooms By Brady

November 15, 2009

Compression Seal

Filed under: Glossary — Sunrooms by Brady @ 12:57 pm

A method used by some sunroom manufacturers as a means of weather sealing the glass.  This technique is completely dependent upon the rubber seal remaining pliable and the compressing frame remaining tight.  Compression seals are very prone to leaking especially as the gasket material becomes brittle with age.  Most plastics used for the gasket contain softeners called “plasticizers”.  UV light from the sun reacts with the plasticizer making the gasket brittle over time.

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