Tell us your climate.
We’ll spec the FRP window.
Passive house fenestration has strict thermal, acoustic, and airtightness targets by climate zone. Answer 4 questions — our AI matches you to the right F1 Composite FRP series and references a comparable certified project.
Passivhaus reqs: typically ≤0.8 (cold) / ≤1.0 (cool-temperate). Chinese JGJ 75: ≤1.6.
Why FRP instead of thermally broken aluminum for passive house?
FRP has no metallic path. Pultruded GFRP thermal conductivity ≈ 0.3 W/m·K vs steel 52, aluminum 160. No “thermal break insert” to fail at cold.
Our 90-series is certified by Passive House Institute Darmstadt at phA (arctic) climate class — the ceiling of the standard. Deployed at Qinling Station, Antarctic Ross Sea.
Pigment is in-profile, not applied. UV-stable across a 25+ year service life in coastal and high-altitude exposure.
Salt-air corrosion-free. Validated at Yancheng Talent Apartment (Jiangsu coast, ~20 buildings).