News

NFRC ratings help project buyers compare the energy performance of windows, doors and skylights using standardized performance data. For aluminum window and door projects in the United States, understanding U-Factor, Solar Heat Gain Coefficient (SHGC) and Visible Transmittance (VT) can make product selection easier. However, a lower or higher number is not automatically suitable for every project. Climate, orientation, glazing and project specifications should all be considered. This guide explains the main NFRC ratings and what contractors, developers and procurement teams should check before ordering. Read More

Door and window certifications help project buyers verify whether products meet relevant market and building requirements. Depending on the destination, standards such as NFRC, NAFS, CSA, AS2047 and CE may relate to energy performance, structural performance, air leakage, water resistance or other requirements. Developers, contractors and importers should identify applicable standards before ordering rather than selecting products based on appearance alone. This guide explains several common door and window certifications and what B2B buyers should confirm for international building projects. Read More