Glass Garage Door U Value

Aluminum glass doors are designed to complement modern homes with clean lines and an array of finishes.
Glass garage door u value. B18 series steel stiffeners u factor 0 50 r value 2 01. For best u factor choose finish and color with high solar reflectance bright colors. L18 series honeycomb u factor 0 56 r value 1 80. B16 series steel stiffeners u factor 0 53 r value 1 89.
Model 8800 offers a variety glass options surrounded by aluminum frames that are available in both powder coat paint and anodized finishes. The lower the number the lower the energy loss and therefore the better the thermal performance. U factor though not used as often as r value u factor is another number you may see when shopping for a garage door. With a quality double glazed unit approximate u values are 1 2wm2k or alternatively a window energy rating wer of a.
See each collection or sell sheet for options. L18 series polystyrene u factor 0 38 r value 2 64. Reference table for u values u value is the coefficient of transmission i e the transmission of heat through the materials which compose the building s envelope or outer shell. Aluminum glass garage doors.
Keep in mind that insulated glass units are ineffective if the frame leaks air. U value is the inverse of r value. Meets ashrae 90 1 and iecc infiltration requirements with a third party tested value of less than 0 4 cfm ft2. Nfrc u factor ratings however represent the entire window performance including frame and spacer material.
For example a building with material with an r value of r 11 converts to an u value of 0 09 1 r or 1 11 0 09. Clopay garage door r values depend on the door s thickness material and type of insulation and range from 6 3 to 20 4. U factor is the rate at which a window door or skylight conducts non solar heat flow. For windows skylights and glass doors a u factor may refer to just the glass or glazing alone.
Fully insulated frame technology is the key factor for eliminating air leakage when using this type of door to seal the building envelope or enclose any climate. The u factor shgc and vt factors vary and are determined by the type of glass you specify. Installed u factor a tested value of actual energy loss whether heat or cold of an installed door wall or window assembly. U factor represents the flow of heat through a material meaning the lower the u factor the better.
It s usually expressed in units of btu hr ft2 of. Iecc compliant clopay commercial garage doors u factor and air infiltration results for clopay commercial sectional doors the thermal performance and energy efficiency of commercial sectional overhead garage doors has become an increasingly more important factor to consider when designing building and maintaining commercial or industrial spaces. All doors are tested in accordance with astm c1363 and sdi 113. What is the standard r value for a garage door.
Below is a list. The liniar energyplus range contains 6 chambers and can achieve a u value as low as 0 8 w m2k with the correct glazing specification. These doors can also enhance your home s glass expanses and patios perfectly fusing indoor and outdoor spaces.