INSTALLATION GUIDE
PAGE
10
STRONGHOLD ATTACHMENT INSTALL
PLACE RAIL CLAMP ONTO L-FOOT:
Drop the rail clamp assembly into the open
slot of L-Foot.
CAUTION
When installing the stronghold attachment over vertical
joints, fill gap/joint with sealant between mount and
upslope edge of shingle course.
CAUTION
Avoid installing stronghold attachments across
gaps or overlaps in roofing materials that are
larger than 1/8 inch.
INSTALL STRONGHOLD ATTACHMENT BASE:
Place the Stronghold attachment base assembly
over the pilot hole. Align indicator marks of
mount with chalk line. Drive lag bolt until mount
is held firmly in place. The EPDM washer should
compress and expand slightly beyond the outside
edge of the steel washer when the proper torque
is applied.
Note: Rail clamp can be installed in four
orientations. See Page 12 for a detailed view.
SEAL:
Insert tip of UNIRAC provided sealant into port. Inject
until sealant exits vent. Follow sealant manufacturer's
instructions and cold weather application guidelines, if
applicable.
CAUTION
Do not tighten the rail clamp before putting
in the rail.
Note:
USE ONLY UNIRAC APPROVED SEALANTS: Chemlink
Duralink 50, Chemlink M-1, Geocel 4500, Geocel S-4
or SealBond SB-500. Follow sealant manufacturer’s
instructions and cold weather application guidelines.
