ALT SF450

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 Series SF450 is a commercial center glazed systems for exterior glazing ground floor applications or interior glazing when used as a low rise window wall system. Framing is mechanically jointed using self-tapping screws into integral splines extruded within the body of the section. Jointing is by butt joints with applied sealant to protect against water egress and to reduce air infiltration.

System features:

• SF450 – sightline 2" x 4-1/2" for 1" glazing infill;
• EPDM glazing gaskets;
• ladder assembly for transportation to job site for quicker

Infill unit thickness....................... up to 1/4, 3/8 or 1” IGU 

Sash width........................................ up to 43–1/2” 

Sash height......................................up to 106–1/4” 

Sash weight ..................................... up to 190 lbs