Installation Guide
that is clear, straight-grained and free from all knots or defects. Secure lumber to bracket
with 16 penny nails.
Instructions for Use of 12070 1)Use bracket and post to construct guardrail system
meeting OSHA requirements 29CFR-1910.23 & 1926.502. 2)Use construction grade
lumber (2”x4” nom.) for top-rail and mid-rail; secure all rails to post with 16 penny nails.
3)Lumber should overlap at a post or bracket; or be fastened together in a manner that
will hold more than 200lbs of force.
Mounting the 12075 Bracket 1)The bracket should be positioned so that the nails
holding the roof bracket will go through the outer roof surface and penetrate two different
roof joists. Bracket is designed for both 16” and 24” joist spacing. 2)Fill all nail positions
in the bracket with 16D Screw Shank Nails; assuring (4) nails are fully driven into the 2
trusses or structural members. (4) #12 2.5” Screws may be substituted for 16D Nails
when fully penetrating a truss or structural member. 3)Spacing between bracket shall not
be more than (8) feet apart.
Instructions for Use of 12075 1)Use bracket and post to construct guardrail system
meeting OSHA requirements 29CFR-1910.23 & 1926.502. 2)Use construction grade
lumber (2”x4” nom.) for top-rail, mid-rail and toeboard; secure all rails to post with 16
penny nails. 3)Lumber should overlap at a post or be fastened together in a manner that
will hold more than 200lbs of force.
Care And Maintenance of 12070 & 12075 1)Inspect guardrail equipment before and
after each use to be sure that there is no damage of deformation to any of the equipment.
2)Inspect to be sure there is no deteration as a result of rusting. Discard if necessary.
3)Any equipment subjected to the forces of a fall arrest must be removed from service
immediately. 4)Always handle the guardrail equipment with care to ensure safe and
lasting use. 5)Do not throw or drop any guardrail equipment. 6)Do not use if exposed to
extreme heat or cold. Discard at once. 7)Do not use if wet or frozen.
Made in the USA
Acro Building Systems Inc.
Acro Metal Stamping Inc.
Milwaukee, WI
ISO 9001:2008
Since 1942
MDL#
PRODUCT
12070 Steep Pitch Guardrail System Bracket & Post
12075 Rake Edge Guardrail System Bracket & Post
12055 Replacement Post for Guard Rail Systems
12050 Replacement 5/8" Safety Bolt
12071 Replacement 5" Tube for 12070 (5 holes) includes cotter pin
Updated 6/26/12