P12-shearblk-sealing – Oldcastle BuildingEnvelope Reliance-HTC User Manual
Page 15

2.3 Wipe excess sealant from exposed areas. Tool sealant into the joint between the horizontal and vertical
at the glazing pocket. Avoid a buildup of sealant on the gasket surfaces or in the gasket reglets. TIP: Use
a short piece of interior glazing gasket to clean out excess sealant in glazing reglets.
2.4 Apply sealant to all contact surfaces on vertical and horizontal mullions where zone plugs will be installed.
Apply sealant to horizontal tongue receptor on zone plug and install at the end of each horizontal, head
and sill. Tool any excess sealant around front end of zone plug where thermal spacer abuts the zone
plug. Tool sealant in the glazing pockets to ensure a watertight fit. SEE FIGURE 9, page 8.
2.5 When all framing members are installed, apply the perimeter seal. SEE FIGURE 10, page 8 . The interior
perimeter seal is not required for system performance, but can be installed for cosmetic purposes.
Perimeter sealing must be completed prior to glazing.
1
2
To install horizontals, slide in front of
shear block (1), then push back into
position (2). This will force sealant
through attachment holes in horizontal.
Adequate sealant should be applied in
track of shear block to allow sealant to
force through holes in horizontal.
To insure a proper seal at screw heads,
force sealant into the track on either side
and over screw head.
FIGURE 8
Shear Block Sealing
Seal these tracks
Seal face, top, bottom and
screw tracks of shear blocks.
FS-115
(2) per shear block
FRAME INSTALLATION
R E L I A N C E − H T C I N S T A L L A T I O N M A N U A L
MAY 2013
12
Phone: 1-866-OLDCASTLE (653-2278)
Web Address: www.oldcastlebe.com