Whole window SHGC is lower than glass-only SHGC, and is generally below 0.8. Solar heat gain can provide free heat in the winter but can also lead to overheating in the summer. How to best balance solar heat gain with an appropriate SHGC depends upon the climate, orientation, shading conditions and other factors.
Eakle, A.S. (1929), Probertite, a new borate, American Mineralogist: 14: 427-430. Schaller (1929) USGS Professional Paper 158: 137. Foshag (1931) American Mineralogist: 16: 338. Barnes (1949) American Mineralogist: 34: 19, 611. Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II.
Q. What is Humate? A. Humate is a product that is mined from states like Colorado, New Mexico, and Nevada. It is comprised of Humic Acid and Fulvic Acid which have been proven to improve the growth and root development in plants and to foster the development of beneficial microbial species.