Oldcastle BuildingEnvelope Signature Series Unit Wall - Manual (Page 19)

July 2013 18-Install-Upper-Level-Frame 1-866-Oldcastle (653-2278) www.oldcastlebe.com
INSTALL UPPER LEVEL FRAMES
SIGNATURE SERIES UNIT WALL INSTALLATION MANUAL
3. SEAL THE HOISTING HOLES FOR WINDLOAD ANCHOR LUG OPTION
For frames with windload anchor lug (shear angle) option, clean and prepare the surfaces of the head
horizontal at mullion joints; apply sealant completely along the entire joint between head horizontals;
also apply sealant at and around hoisting hole, set 2" by 2" alum plate at hoisting hole location.
Similar to frames with sleeve option, apply sealant to outer 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.
Then install horizontal air seal gasket GP-50041 into head horizontals continuously across elevation.
Where splicing is necessary, to locate the joint at mid-point of the module and apply bead of sealant
and set the ends of gasket in place. Tool squeeze out sealant.
Set the 1-1/2" wide silicone
sheet in silicone sealant
at mullion joint location
Apply sealant at front face
for approximately 1"
on each side of the joint
Completely seal the joint
between head horizontals
Apply sealant
at and around hoisting holes
for receiving the alum plates
Set alum plates
at hoisting hole locations
For smoke seal condition,
seal the inboards of
splice joint and down
along back of mullion
until anchor locaiton