DURA-HOLD II® Coping, Retaining Walls, Walls Ohio | Unilock Contractors Contractor
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Both DuraHold and DuraHold2 have the same appearance, but DuraHold2 is approximately half the depth, making it economical in terms of material cost, speed and efficiency for lower retaining walls. These large units weigh in at 982 lbs (447 kg) and install at the rate of 6 square face per unit, which is the most efficient wall you can install. That’s like installing 18 Pisa2 or Concord Wall units at a time. With your excavator doing all the heavy lifting, you won’t need a large crew to install this wall. High wall engineering is provided.
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Shape and size

COPING CLOSED END
1,830mm x 300mm x 360mm
72" x 11 7/8" x 14 1/4"

COPING STANDARD
1,830mm x 300mm x 360mm
72" x 11 7/8" x 14 1/4"

STANDARD
1,830mm x 300mm x 360mm
72" x 11 7/8" x 14 1/4"

Special order

COPING CLOSED END
1,830mm x 300mm x 360mm
72" x 11 7/8" x 14 1/4"

Special order

COPING STANDARD
1,830mm x 300mm x 360mm
72" x 11 7/8" x 14 1/4"

Special order

STANDARD
1,830mm x 300mm x 360mm
72" x 11 7/8" x 14 1/4"

Technologies
Applications
Retaining Wall
Recommended Equipment
Retaining Wall Clamp
Technical information
  • Packaging
  • Things to know
  • Cross Sections
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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
STANDARD
300
1
6.02
6.02
6.02
1
1
938.01
938.01
938.01
COPING STANDARD
300
4
24.08
6.02
6.02
4
1
3,536
884
884
COPING CLOSED END
300
4
24.08
6.02
6.02
4
1
3,536
884
884
THINGS TO KNOW

Dura-Hold II ®

Dura-Hold ®II has the same visual appearance of Dura-Hold, and is generally used in conjunction with Dura-Hold for areas of a project where the massive size of Dura-Hold is not required but the look needs to be maintained. Each module weighs 940 lbs (426 kg) - which is half the weight of Dura-Hold - but the installation rate/coverage is the same. From a cost standpoint, Dura-Hold II is very efficient.

Applications – Structural retaining walls for large embankments

Capacity – Gravity walls up to 39” (1m). Geogrid reinforced walls up to 23 ft. (7m)

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 – Leveling large retaining wall blocks directly on top of gravel is difficult. U-Grip Base units or universal base pads are recommended under most Unilock walls for improved accuracy and make for a speedier installation. For Durahold II, turn the U-Grip base units 90 degrees for a larger front to back latitude for the blocks to sit on. For larger projects, it is recommended to install a poured concrete leveling pad reinforced with rebar. You must ensure that the concrete is poured and finished perfectly in order for the blocks to sit properly without cracking.

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 Durahold II specific coping. Coping attaches with tongue and groove connection. No adhesive required.

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