Product Description The Gray Metal Products GRED-1816 is a gray-tinted glass with a double-silver coating. It allows thirty-four percent visible light transmission and has six percent outdoor reflectivity. This glass is designed for insulating glass units, providing solar control and thermal insulation. It is suitable for applications in windows, skylights, facades, roof windows, curtain walls, and doors. The glass can be manufactured in various forms including heat strengthened, heat soaked, annealed, tempered, laminated, or bent.
Double-silver solution on gray-tinted glass.
Offers thirty-four percent visible light transmission.
Suitable for a range of architectural designs.
Product Highlights GRED-1816 provides effective solar control and thermal performance, making it ideal for modern buildings.
Product Information Standard Information
Brand : Gray Metal Products
MPN : GRED-1816
Technical Specifications
Visible Light Transmittance (τv)
thirty-four percent
Reflectance outside (ρv)
six percent
Reflectance inside (ρv)
eleven percent
General Color Rendering Index (CRI)
ninety-three point two
Ultraviolet Transmittance UV (τuv)
fourteen percent
Solar transmittance (τe)
nineteen percent
Reflectance outside (ρe)
sixteen percent
Reflectance inside (ρe)
thirty-five percent
Solar absorptance (αe)
sixty-five percent
Solar Heat Gain Coefficient (SHGC)
zero point twenty-five
Shading Coefficient (sc)
zero point twenty-eight
Winter night U-Value
zero point two ninety-three Btu/hr·ft²·F
Summer day U-value
zero point two seventy-five Btu/hr·ft²·F
Light to Solar Gain (LSG)
one point thirty-seven
Embodied CO2 (eq. kg/m²) A1-A3
thirty-four point thirty-five
Substrates
Gray 6 mm, Guardian UltraClear 6-10 mm, Guardian CrystalGray 6 mm, Green 6 mm, Clear Float 5-12 mm
Applications
Windows, Skylights, Facades, Roof windows, Curtain walls, Doors
Manufacturing Options
Heat Strengthened, Heat Soaked, Annealed, Tempered, Laminated, Bent
Recommended Coating Positions
Surface 2 or 3 (Double IGU), Surface 2 & 5 (triple IGU)
Maximum Size
one hundred thirty by two hundred four
Glass Functions
Solar control, Thermal insulation
Fabrication Options
Must be used in an Insulating Glass Unit