DURA-HOLD® | Unilock Contractors
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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.
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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"

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"

TIE-BACK
600mm x 300mm x 1,830mm
23 5/8" x 11 7/8" x 72"

Technologies
Applications
Structural 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
TIE-BACK STANDARD HALF CORNER 45 LEFT CONRER 45 RIGHT CORNER 90 LEFT CORNER 90 RIGHT STANDARD COPING HALF COPING STANDARD COPING CLOSED END
Layers per Bundle1111111111
Units per Bundle1111111111
Units per Layer1111111111
Units per FcFt0.50.330.140.140.140.140.170.340.170.17
Lbs per Layer16608001480148013201320168078015601560
Lbs per Bundle16608001480148013201320168078015601560
Lbs per Unit16608001480148013201320168078015601560
FcFt per Layer237.047.047.047.046.022.956.026.02
FcFt per Bundle237.047.047.047.046.022.956.026.02
FcFt per Unit237.047.047.047.046.022.956.026.02
Lin Ft per Bundle - Soldier - 3 - - - - 6.02 - - -
Lin Ft per Layer - Soldier - 3 - - - - 6.02 - - -
Lin Ft per Unit - Soldier - 3 - - - - 6.02 - - -
Lin Ft per Bundle - Sailor - - - - - - - 366.02
Lin Ft per Layer - Sailor - - - - - - - 366.02
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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