EFCO 5800 Series - Manual (Page 18)

not to separate the gasket joints. Do not stretch the gaskets to make them fit.
At very large openings, a butt joint may be required to facilitate handling
and installation. A butt joint in the perimeter gasket will generally occur at
center of daylight opening. Install the gasket at the opening corners
per the typical gasket installation. Clean each gasket end. A factory cut end
will be provided. Apply a small amount of specified silicone sealant to the
full cross section of each end of the gasket to be jointed. Insert 2" to 3"
of each gasket dart into the retainer pocket. Push the gasket ends together
to engage the wet silicone sealant. The gasket should lay flat across the
joint and all residue sealant should be removed from the gasket surface.
Install the remainder of the gasket per the typical installation, taking care
STEP #6 PERIMETER GASKET INSTALLATION
SECTION VIII: EXTERIOR GASKET INSTALLATION CONT.
SPLICE JOINT
FINISHED
9/2000
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