Oldcastle BuildingEnvelope Signature Series Unit Wall - Manual (Page 18)

July 2013 17-Install-Upper-Level-Frame 1-866-Oldcastle (653-2278) www.oldcastlebe.com
INSTALL UPPER LEVEL FRAMES
SIGNATURE SERIES UNIT WALL INSTALLATION MANUAL
1. SEAL THE JOINTS
Clean and prepare the surfaces of the head horizontal at mullion joints per sealant manufacturer's
commendations. Apply sealant completely along the entire joint between head horizontals; also apply
sealant at front face for approximately 1" on each side of the joint as shown; set 1-1/2" wide by 2-5/8"
long silicone sheet on top of the silicone sealant.
Set the 1-1/2" wide silicone
sheet in silicone sealant
at mullion joint location;
2. INSTALL HORIZONTAL AIR SEAL GASKET
Install horizontal air seal gasket GP-50041 into head horizontals continuously across elevation. Apply
sealant for approximately 3" long on each side of the splice joint, push gasket into raceway, tool
squeeze out sealant. Where splicing is necessary, locate the joint at mid-point of the module and
apply bead of sealant to set the ends of gasket in place. Push in the next piece of gasket, tool
squeeze out sealant and remove excess sealant from outer face.
Completely seal the joint
between head horizontals
Apply sealant at outer face
for approximately 1"
on each side of the joint
Locate the joint of
horizontal air seal gasket
at mid-point of the module
Set the ends of the gasket
in silicone in place;
Neatly seal the joints
between trims
Apply sealant
on each side of splice joint
at gasket raceway
push in the next piece;
tool squeeze out sealant
tool squeeze out