Low-e coatings have been developed to minimize the amount of ultraviolet and infrared light that can pass through glass without compromising the amount of visible light that is transmitted. When heat or light energy is absorbed by glass it is either shifted away by moving air or reradiated by the glass surface.or complete technical information about designing with low-e glass, read PPG Glass Technical Document TD-131. And for any other glass questions, please contact PPG or call 888.PPGIDEA (888.774.4332).
The highest monthly average temperature in Granite Falls for July is 63 degrees. The lowest monthly average temperature in Granite Falls for December is 38 degrees. The most monthly precipitation in Granite Falls occurs in March with 1.9 inches. The air quality index in Granite Falls is 37% better than the national average. The pollution index in Granite Falls is 209% worse than the national average.
WESTERN WASHINGTON  West of the Cascade Mountains, summers are cool and comparatively dry and winters are mild, wet and cloudy. The average number of clear or only partly cloudy days each month varies from four to eight in winter, eight to 15 in spring and fall, and 15 to 20 in summer. The percent of possible sunshine received each month ranges ...