2" x 4 1/2" 450DT - Center Set Double Thermal Storefront
CMI Series 450DT (center glazed) store front framing incorporates an energy efficient dual thermal break within aluminum tubular frame components to achieve optimum thermal performance when combined with 1" insulating glass . Fabrication and installation ease make this system a leading choice for a wide variety of entrance, storefront and independent fixed window applications.
Features
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2" x 4 1/2" profile framing
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Center Glazed glass orientation
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1/4" or 1" flush glazed infill capability
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Curved frame capabilities
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Splayed mullion and door frame for radiused applications
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Water resistance rated to 12 PSF differential pressure (ASTM E331)
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U - value = 0.37 btu/hr.ft/F (AAMA 1503-09)
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CRF - frame = 67 (AAMA 1503-09)
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U-value(RANGE) = 0.29 to 0.51 btu/hr.ft/F (AAMA 507-07)
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U - value = 0.36 btu/hr.ft/F (NFRC 102-2010)
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CR = 44 (NFRC 500)
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Compatible with CMI's complete line of stile-and-rail, flush panel and aluminum plank doors
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Integrated door framing components
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Screw spline or shear block assembly methods
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Concealed assembly fasteners
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Universal EPDM push-in glazing gaskets for ease of glazing
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Easily integrate CMI 200T casement, awning and hopper style operating vent windows
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Compatible with CMI 278-SSG zero-sightline awning vent windows
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Independently tested air infiltration, water infilitration, structural and thermal performance
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Full spectrum color choice in Anodized or high performance Kynar resin based paint coatings
Installation Instructions:
Gasket Installation Guidelines - Frames
Gasket Installation Guidelines - Linear Members