DURA-HOLD® Coping, Retaining Walls, Walls | Unilock Michigan Contractor
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DuraHold is the heaviest duty wall available from Unilock. These massive 1,680 pound (762 kg) units are used to retain some of the most challenging commercial sites in the country and offer up that extra layer of capacity that only mass can provide. Additionally DuraHold is surprisingly fast to install. Every time one unit is hoisted into place, 6 square feet are installed. At some point you will need a wall of this caliber and we can help you make it happen with the support of our exclusive wall engineering service.
Colors
Shape and size

CORNER 45 LEFT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

CONRER 45 RIGHT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

CORNER 90 LEFT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

CORNER 90 RIGHT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

COPING CLOSED END
1,830mm x 300mm x 600mm
72" x 11 7/8" x 23 5/8"

COPING HALF
915mm x 300mm x 600mm
36" x 11 7/8" x 23 5/8"

COPING STANDARD
1,830mm x 300mm x 600mm
72" x 11 7/8" x 23 5/8"

STANDARD
1,830mm x 300mm x 600mm
72" x 11 7/8" x 23 5/8"

STANDARD HALF
915mm x 300mm x 600mm
36" x 11 7/8" x 23 5/8"

Special order

CORNER 45 LEFT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

Special order

CONRER 45 RIGHT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

Special order

CORNER 90 LEFT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

Special order

CORNER 90 RIGHT
1,520mm x 300mm x 600mm
59 7/8" x 11 7/8" x 23 5/8"

Special order

COPING CLOSED END
1,830mm x 300mm x 600mm
72" x 11 7/8" x 23 5/8"

Special order

COPING HALF
915mm x 300mm x 600mm
36" x 11 7/8" x 23 5/8"

Special order

COPING STANDARD
1,830mm x 300mm x 600mm
72" x 11 7/8" x 23 5/8"

Special order

STANDARD
1,830mm x 300mm x 600mm
72" x 11 7/8" x 23 5/8"

Special order

STANDARD HALF
915mm x 300mm x 600mm
36" x 11 7/8" x 23 5/8"

Technologies
Applications
Retaining Wall
Recommended Equipment
Retaining Wall Clamp
Technical information
  • Packaging
  • Things to know
  • Cross Sections
Select category
Packaging
  • Packaging
  • Things to know
  • Cross Sections
Unit Thickness (mm)
Layers per Bundle
FcFt per Bundle
FcFt per Layer
FcFt per Unit
Units per Bundle
Units per Layer
Lbs per Bundle
Lbs per Layer
Lbs per Unit
CORNER 45 LEFT
300
1
7.04
7.04
7.04
1
1
1,480
1,480
1,480
COPING STANDARD
300
1
6.02
6.02
6.02
1
1
1,560
1,560
1,560
COPING CLOSED END
300
1
6.02
6.02
6.02
1
1
1,560
1,560
1,560
CONRER 45 RIGHT
300
1
7.04
7.04
7.04
1
1
1,480
1,480
1,480
CORNER 90 RIGHT
300
1
7.04
7.04
7.04
1
1
1,320
1,320
1,320
STANDARD HALF
300
1
3
3
3
1
1
800
800
800
STANDARD
300
1
6.02
6.02
6.02
1
1
1,680
1,680
1,680
COPING HALF
300
1
2.95
2.95
2.95
1
1
780
780
780
CORNER 90 LEFT
300
1
7.04
7.04
7.04
1
1
1,320
1,320
1,320
THINGS TO KNOW

DURA-HOLD®

Dura-Hold is an engineered large module - (1600 Lbs/800 Kg)- retaining wall system designed for extremely large gravity walls and reinforced walls. Dura-Hold is mostly often used in commercial applications or in residential applications where higher and stronger structural walls must be constructed. The large module size (6 face feet) makes it an extremely efficient wall to install. With each unit you are installing 6 face feet of wall.

Applications – Structural retaining walls for large embankments

Capacity – Gravity walls up to 6’ (1.8m). Geogrid reinforced walls up to 30 ft. (9.14m).

Recommended Base Stabilization – one layer of DriveGrid™ stabilization grid between subgrade and base material. Use under Standard Base or Permeable Base.

Standard Base – Min. 6” – 8” of ¾” Crusher Run gravel (any road base standard in accordance with ASTM-D2940) compacted to 98% Standard Proctor Density (SPD).

Alternative Permeable Base – Min. 6” – 8” of ¾“ clear open-graded stone compacted to achieve full particle lock-up and consolidation. (Clear open-graded does not compact but does consolidate slightly by rattling the particles together.)

Leveling – Install Dura-Hold directly on a compacted granular base. Install level end to end as well as front to back. Poured concrete leveling pads, reinforced with rebar, are also a great way to accomplish leveling, especially for larger installations. You must ensure that the concrete is poured and finished perfectly in order to achieve a good visual appearance.

Connection – features a tongue and groove connection.

Handling – This is a mechanically placed wall system. Special clamps for lifting are available for use during project.

Coping - This wall requires the Dura-Hold specific coping. Coping attaches with tongue and groove connection. No adhesive required.

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