The Foam Jack® is based on the patented design of the popular Fast Jack®. It
an easy-to-foam version designed for use on commercial and metal rooftops
This industrial grade stanchion offers a full 2,870 lbs. of vertical strength using one 3/8" x 6" lag
It also offers an impressive 2,615 lbs. of axial (side) strength. Like the Commercial and Residential
Fast Jack, the primary connection to the roof is made directly under the point of load.
The Foam Jack base accepts one fastener up to 3/8” diameter. The 3/8" threaded post version
with the Roof Trac support rail.
The post is also available in a 1/2" thread version which fully integrates with commercially
steel strut using the optional Commercial Leveling Kit.
Benefits of the Foam Jack Roof Mount:
Patented design locates the lag bolt or self tapping screw directly under the removable post for
Use of foam versus a flashing provides leak-free connections at a fraction of
the cost of conventional flashings
Precision machined from extruded aluminum and tumbled clean for
proper foam adhesion
Significantly lighter than steel for installer convenience and reduced
Cylinder base design allows for even distribution of foam around the stanchion
Foam Jack Test Data
Pull tested by an independent and accredited ICC approved testing
laboratory to 2,870 lbs vertical and 2,615 axial (side) pull.
Test conducted with a 3/8” x 6” lag bolt in a 4” x 6” Douglas Fir wood beam.
Measurements / Specifications
BASE: 1.5” dia. x 2.6” #6061 Aluminum
1/4” hole for self tapping-screw base
3/8” hole for lag bolt base
POSTS: 1” dia. x 3” #6061 Aluminum
3/8” drilled & tapped (non-leveling version)
1/2” threaded 2” deep (leveling version)
Version 6" High-3/8" Threaded Post
Part# FMJ-638L (Lag Bolt Version) Part#
FMJ-638T (Self tapping Screw Version) Use this version when setting the Roof
support rail directly on the Foam Jack post.
Leveling Kit Version 6" High-1/2"
Part# FMJ-612L (Lag Bolt Version) Part# FMJ-612T (Self tapping
Screw Version) Like the best-selling Commercial Fast Jack, the Foam Jack is available in
thread version to accept the Commercial Leveling Kit. For use with the 1/2"
leveling kit (sold separately)
Leveling kit Part# CFJ-LEVEL For use with the FMJ-612L
& FMJ-612T in conjunction with standard outdoor rated strut to adjust for minor roof
Typical Installation Sequence for
1: Locate rafter/beam Step 2: Use drill guide (sold
separately) to drill a pilot hole. Step 3: Install base using
fastener Step 4: Place red cap on post and securely attach to
base Step 5: Clean and prepare the roof surface then foam the stanchion Step 6: When foam is dry, coat with UV paint Step
Install your Rooftrac system!