Performance
Specified to perform. Built to last.
The numbers below hold across every system. Where a project needs more — a specific Uw, a coastal pressure rating, a sound class — we engineer to it and document the result.
Thermal & acoustic
| Standard Uw (installed) | ≤ 0.28 |
|---|---|
| Triple-glaze Uw (installed) | 0.12 – 0.16 |
| Triple-glaze glass Uw | as low as 0.09 |
| R-value (standard) | R-4 |
| R-value (triple glaze) | R-8 to R-10 |
| Air infiltration | ~10% of allowable max |
| Acoustic (standard) | 34 dB |
| Acoustic (enhanced) | up to 50 dB |
Structural & coastal
| Design pressure | DP 65+ |
|---|---|
| Sustained wind load | 140 mph |
| Impact resistance | Large Missile Level D |
| Pressure rating | 65 PSF standard |
| Hardware rating | Oceanfront / salt-air |
| Locking | Multi-point, opposing direction |
| Testing standard | Air / Water / Structural |
| uPVC reinforcement | Full steel frame |
| Wood stability | 3-ply laminated, reverse grain |
Proven in the field
Tested, certified, and through real storms.
Hurricane testingMore than a decade at the forefront of impact testing. Our products have come through some of the worst recent hurricanes unscathed — Large Missile Impact and cyclical pressure approved.
NAMI certifiedPerformance is independently tested and verified, not self-reported — the assurance specifiers and building officials need on the schedule.
Passive House heritageWe brought our first Passive House–approved window to market nearly 20 years ago. Well-installed tilt-turn units can cut energy loss by over 30% a year.
Warranty
Ten years, fully transferable.
Coverage on materials, workmanship, and hardware — and because every wood and metal-clad unit is finished completely in the factory, the finish is covered too. The warranty transfers with the home.
Certification references
| NAMI certification | Ref. on request |
|---|---|
| NFRC ratings | Per product |
| Impact approval | Large Missile Level D |
| Warranty term | 10-year full, transferable |
Full certification documentation is available to specifiers on request.