Oldcastle BuildingEnvelope Signature Series Unit Wall - Manual (Page 13)

July 2013 12-Horiz-Air-Seal-Gasket 1-866-Oldcastle (653-2278) www.oldcastlebe.com
STARTER SILL CONDITION
SIGNATURE SERIES UNIT WALL INSTALLATION MANUAL
4. INSTALL HORIZONTAL AIR SEAL GASKET
Clean areas to receive sealant as per sealant manufacturer's recommendations. Install horizontal air
seal gasket GP-50041 into starter sills continuously across elevation. Where splicing is necessary,
locate the joint at mid-point of the module, apply bead of sealant to set the ends of gasket in place.
Tool squeeze out sealant.
Note silicone must adhere to EPDM gasket e.g. Dow 756 silicone sealant. Ensure fingers of
horizontal air seal gaskets are not filled with silicone as this will hamper frame installation.
horizontal air seal gasket
at mid-point of the module
Set the ends of EPDM gasket
in silicone;
V-927 PVC spacers
(3) pieces per module
Locate the joint of
tool squeeze out or add additional
sealant on outer surface
Set the ends of gasket
in silicone
Tool excess sealant
out of fingers