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Archive for November, 2011


November 3rd, 2011 No Comments
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Some brand new sliding patio doors (usually solid wood core) have been found to leak air where the operating door interlocks with the stationary panel. This often does not become apparent to the owner until cold weather sets in. The reason cold air is felt blowing in around this interlock area is because the doors are not fully interlocked and the weather seal is not fully engaged.  This can occur even if the operating door is fully closed and securely locked. The cause is due to the fact that the