GlasCurtain is the world's leading manufacturer of fibreglass-framed curtain walls for high-performance building envelopes.

Based in Canada, we manufacture R7+ glazed curtain walls for Net-Zero, Zero Carbon, Passive House (PHI/PHIUS), and LEED projects.

Leveraging low-carbon fibreglass technology, our Thermaframe systems are ideal for your next high-performance building envelope, especially in cold climates with high interior relative humidity.

The future is fibreglass. The future is GlasCurtain.