INSTALLATION GUIDE
PAGE
8
STRONGHOLD ATTACHMENT WITH BUTYL
INSTALLING STRONGHOLD DTD BUTYL ATTACHMENT OVER SHINGLE OVERLAP OR GAP
I
f the attachment falls over a shingle overlap, level the surface by following below steps:
A. Measure the attachment overhang.
B. Cut the butyl pads to required size.
C. Stack extra butyl pad layers as necessary to level the roof and place the attachment.
D. Begin installation with the screws on the upslope side of the attachment and continue to install the screws on the downslope side of the attachment.
PRO TIP
If the attachments overlap from one shingle course to the next shingle course in a rail-based system, reposition the attachment by moving up or down the shingle
course along the same rafter line to avoid butyl layering.
Note:
• Extra butyl pads are NOT included in the KIT.
• Pre-stock with extra butyl pads from Unirac Kits in case installation is required over overlap or gap.
WARNING
Installing attachment on uneven surfaces, shingle gaps or overlaps, creates a risk for water leakage and
Installing attachment on uneven surfaces, shingle gaps or overlaps, creates a risk for water leakage and
rail clamp misalignment due to gap created between the adhesive and roof surface.
rail clamp misalignment due to gap created between the adhesive and roof surface.
