Installation Guidelines: Glazing Installation
U.S. Sky

GLAZING INSTALLATION
Glass units are installed after completion of all base extrusions. It helps to have small (3-4”) lengths of SureSeal cap on hand to hold the units prior to installation of cap. T-bar cut to 2” lengths should be installed at the bottom of each glass opening one quarter of the way in from each side of the glass. Be careful when cutting these small pieces with the saw. We have found it convenient to predrill the T-bar and then cut it leaving a 1/8” connection. This allows you to simply twist off a piece when needed. For 1” glazing put the long side of the T-bar toward the outside. For smaller size glazing put the narrow side out. Settling blocks are placed on top of each piece of T-Bar. If using 1” x 2” blocks place them so the 1” side is at the bottom of the SureSeal base and check to see that the block supports both sides of insulated glass. The blocks may be trimmed if necessary. The glass is placed on top of the setting blacks. If your local glass supplier doesn’t have the rubber blocks they can be ordered with the SureSeal.

Plastic glazing such as polycarbonate extruded sheet does not require the use of setting blocks; however, follow the manufacturer’s recommended installation instructions. NOTE: if using acrylic sheet it is best to match the color of the glazing system with the color of the acrylic sheet: bronze with bronze, white with clear. Use of bronze extrusions with clear could cause softening of the acrylic in hot climated due to heat buildup in the dark colored channels. This has not been a problem with polycarbonate sheet.

Install all cap, making sure to properly size expansion joints. Tighten cap bolts just enough to visibly compress the gaskets. Do Not Over-Tighten! If over-tightened, the cap can bend and cause improper seal or difficulty in inserting the trim. We recommend the use of a drill with a clutch set on approximately 2 or 3. If a bolt hole is stripped, fill the hole in the cap with sealant and drill a new hole for the bolt.

 

INSTALLATION INSTRUCTIONS:
Materials & Tools List
Framing
Glazing System Layout
Expansion Joints
Cutting & Drilling Sure Seal
Gasket Installation
>>Glazing Installation
Weep Holes
Final Touches
Special Notes

Illustrations
 
About Natural Light
View Projects

U.S. Sky

U.S. Sky Sure Seal Glazing System Handles sealing and drainage challenges — 505-471-5711
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