Page 20 - WEB-I3 Insulating Glass Fabrication Supplies and Equipment

SECTION 2 FHC INSULATING GLASS FABRICATION, SUPPLIES, AND EQUIPMENT
FHC IG Fabrication Methods Bulk Quantities Available
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Glazing

Wrap-Around Vinyl
Glazing Method

This method is mainly employed for aluminum sliding windows and patio doors.
Two vinyl gasket options are available: one with corners that can be clipped at the
90-degree bend, and another with a perforated face. The perforations are vital to
ensure proper drainage to the window frame. It’s crucial to apply the vinyl uniformly
to establish and sustain a watertight seal. While setting blocks are not required in
this method, remember to include weep holes leading to the exterior in the sill of the
window frame. Gasket

Structural Glazing
Gasket Method

This method is highly favored in commercial glazing. The gaskets come in precise
sizes with built-in weep holes. Begin by placing the insulating glass unit on neoprene
setting blocks at the quarter points. Then apply a secondary wet seal to the inside
lip of the exterior side of the gasket. Additionally, you can add a secondary seal to the inside lip of the interior side of the gasket.
When using metal band units, be cautious. They may require a special gasket. Ensure that the metal band at the unit’s edges doesn’t
bind the gasket. Use neoprene setting blocks with a shore “A” hardness of 70 to 90 durometer. Always use at least two setting blocks,
positioned at the quarter points of the unit. These blocks should be wider than the unit’s thickness, and their length should support
the unit’s weight. Maintain face clearances of at least 1/16 inch for units up to 12 sq ft and 1/8 inch for units ranging from 12 to 70 sq
ft We recommend a minimum face clearance of 1/8 inch when using gun-grade glazing materials or for all commercial and high-rise
applications. Note that these clearances may not apply to “squeeze glazing” applications.

Adapter Glazing

This method is popular for converting single-glazed wrap-around vinyl. For patio doors and large picture windows, adapt using
vinyl aluminum sliding windows to dual-glazed insulating glass wider channels and glazing vinyl. To complete the assembly,
units. Here’s how it works: Use an extruded aluminum adapter apply a bead of Neutral Cure Silicone sealant to the mitered
channel designed to fit into the 1/8-inch and 3/16-inch glazing corners of the adapter frame. This method is an effective way to
channels of the original frame. For residential windows, install a upgrade single-glazed windows to dual-glazed insulating glass
1/2-inch insulating unit that is 1/8 inch smaller than the exposed units, enhancing energy efficiency and comfort.
glass area (inside sight line) into the Adapter Channel. Use a 1/2-
inch glazing

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