Kolbe products, supplied by Grand Openings Windows & Doors Ltd., include several Ultra Series custom radius-top windows and doors. The exterior is aluminum clad with a 70% fluoropolymer finish in Ultra Pure White and a 30-year finish warranty. Insulating glass with LoE³-366 and ThermaPlus™ coatings meet the stringent energy efficiency requirements of British Columbia, providing protection against heat loss/gain as well as UV damage. The Vertical Grain Fir interior has an Abalone factory-painted finish