Monthly Archives: February 2011

Please Explain Solar Heat Gain (SHGC)

Maybe you have seen the dreaded acronym SHGC. Even people in the window business get confused with this Egyptian hieroglyphic. SHGC stands for Solar Heat Gain Coefficient, but what does that mean? (For you old timers SC* =SHGC*0.87) *SC–Shading coefficient … Continue reading

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Albert Einstein talks about MGM brand swing doors and vinyl windows

I have recently been introduced to the website www.xtranormal.com, with this tool it is possible to produce cheap, quick and informative videos for your marketing needs.  All you have to do is pick out a basic scene and select your … Continue reading

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Melting Vinyl Siding

In the past several years there has been a rather unique situation arise and that is melting siding as a result of the sun’s energy reflecting off of high performance Low-e glass windows.  If you read my post on how … Continue reading

Posted in Painted Vinyl Doors, PolyVinyl Chloride (PVC) | Tagged , , , , | Leave a comment

Low-E Glass Explained

What is Low-E glass? From Wikipedia: The emissivity of a material (usually written ϵ or e) is the relative ability of its surface to emit energy by radiation. It is the ratio of energy radiated by a particular material to energy radiated by a black … Continue reading

Posted in Construction, Green Technology, PolyVinyl Chloride (PVC) | Tagged , , , , , | 2 Comments