Post Form™
EARTH RETENTION introduces a pre-molded fence foundation form that meets commercial and residential code for retaining wall fall protection. Made right here in the USA, Post Form™ allows for fence post installation directly behind segmental retaining walls.
EARTH Retention’s
Post Form™
➡ Fast and easy installation
➡ Measures 15.25” wide, 23.5” tall, and 30.5” long
➡ Accepts up to a 4”x4” post
➡ Maximizes land use
➡ Integrates easily with the retaining wall installation
➡ Lightweight and rugged — withstands compaction equipment
➡ Breakaway lid allows for easy post and concrete fill installation
➡ Concrete infill volume of 1.23 cubic feet (without post)
➡ Code compliant to IBC 1015.2 and IRC R321.1
POST FORM™ eliminates the need for 36” post offsets from back of wall, simplifies installation, and helps meet typical building code requirements —without compromising wall integrity or layout efficiency.
Whether you’re a contractor or engineer, POST FORM™ offers a fast, flexible, and code-compliant solution that speeds up fence and pedestrian railing installation, without compromise.
POST FORM™ Installation Guide
Step 1: Placement
Set the Post Form™ units in place
directly behind the wall blocks during
SRW construction.
Align with fence layout drawings.
Ensure top of unit is flush with top of
wall.
Step 2: Backfill and Compact
Backfill around the unit using wall
backfill material. Compact to the
required density per wall design specs.
Post Form™ is engineered to withstand
standard compaction.
Step 3: Post Installation
After wall construction is complete,
remove the perforated lid of the Post
Form™. Place post into the formed
cavity.
Step 4: Secure Post with Concrete
Pour concrete around the post within
the unit cavity. Ensure post is vertical
and aligned.
Allow concrete to cure per
manufacturer guidelines.For more information or to purchase contact: sales@earthretention.com
