
Trench Former® System
Take control of your project with ABT’s TrenchFormer®. This poured-in-place trench former system lets you select width, depth, shape and slope rate for a fully customizable drain.
With expanded polystyrene forms, TrenchFormer® installs 10 percent quicker than cast-in-place foundry systems without the expensive framing materials. Each form can be sloped or non-sloped with a rounded, square trapazoidal or custom shape.
Eliminates penetration of sub floor during installation. Unlike traditional rebar stakes, Trench Former uses a U-shaped rebar legs to support and level the system, preventing penetration into the sub-slab.

TFX Series – 6-24″ Widths
TrenchFormer® frames come standard in black painted steel or hot dip galvanized. Stainless steel, fiberglass and aluminum frames are also available.
Auxiliary assemblies allow frames to create expansion joints or to create a custom radius. L-Frame assemblies allow the system to turn corners without sacrificing load capacity.
TFX TrenchFormer® offers trench heavy-duty grates in heel-proof, ADA and high intake designs. TFX grates secure into place with toggle bolts.
TrenchFormer TFX Series Cheat Sheet
Rail Lengths: 8′, 6′, 4′, 3′, 2′ lengths
System Widths: 6, 8, 10, 12, 15, 18, 21, 24″ widths
Load Rating: AASHTO H20
Available Slopes: Various
MHD Series
MHD Series comes in 8″, 12″ and 18″ widths. The system features 2″ angle and 2 meter, 1 meter and 1/2 meter lengths. Auxiliary frames allow T intersections, corners and radius turns.
MHD Series heavy-duty grates come in 1/2 meter sections. Four corner pinning locks allow for H-20 and H-25 load bearing.
TrenchFormer MHD Series Cheat Sheet
Rail Lengths: 2m, 1m, 1/2m lengths
System Widths: 8, 12, 18″ widths
Load Ratings: AASHTO H20, H25
Top Applications:
- Manufacturing Plants
- Driveways
- Service Shops
- Roadways
XHD Series
XHD is designed for intermodal and international airport applications. With a 2.5″ angle and galvanized rails, this trench former system comes in 8″, 12″ and 18″ widths.
XHD’s galvanized steel rails provide concrete bearing width that is the widest in the industry.
TrenchFormer XHD Series Cheat Sheet
Rail Lengths: 2m, 1m, 1/2m lengths
System Widths: 8, 12, 18″ widths
Load Ratings: AASHTO H20, H25, FAA Rating