Archive for June 2022

In 1989 the National Fenestration Rating Council was developed to standardize ratings for windows. Energy-efficiency ratings for windows can be found by looking at the U-value and Solar Heat Gain Coefficient (SHGC). Ask your retailer or window manufacturer for these ratings before you purchase to make sure you are buying the most efficient window for…

Muntin is an age-old term used to describe spacing inside windows, doors and other building structures such as interior paneling and exterior siding. The term is even used in the design of furniture. Today we mostly refer to muntins in windows and doors as “grids“. These separations in the glass can be on the outside…