Engineering Data
Performance
Matrix
Every number tells a story of material science. Luminera pultruded fiberglass delivers measurably superior performance across every metric that matters—thermal, structural, acoustic, and longevity.
Thermal Performance
U-Factor (Best)0.15
BTU/h·ft²·°F — Fixed Picture
R-Value (Frame)R-5.5
Highest frame insulation available
Condensation Resistance72
CRF Rating — Exceeds industry standard
Thermal Expansion1:1
Matches glass expansion rate exactly
Solar & Light
SHGC0.23–0.40
Solar heat gain coefficient range
Visible Transmittance0.40–0.65
Optimized for natural daylight
UV Blockage99.5%
Protects interiors from UV damage
Low-E CoatingsDual
Two coatings on triple-pane glass
Structural & Acoustic
Frame Strength60,000
PSI tensile strength
STC Rating34–38
Sound transmission class
Wind LoadDP-50+
Design pressure rating
Air Infiltration< 0.01
CFM/ft² — virtually airtight
Certifications & Testing
ENERGY STAR®
Certified for all U.S. climate zones
NFRC Rated
Independent thermal performance verification
AAMA Gold Label
Highest structural certification available