Proudly Canadian, Built on Vancouver Island
At Thermoproof, we believe in the strength and quality of Canadian craftsmanship. As the only 100% Canadian-owned and operated window manufacturer on Vancouver Island, every window we produce is a Product of Canada—built locally with precision, care, and a commitment to excellence that reflects our nation’s proud heritage.
By choosing Thermoproof, you’re not just upgrading your home with superior windows, engineered for Island life– you’re supporting Canadian manufacturing, innovation, and a stronger future for all of us.