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NORDIC COBBLE

Modelled after traditional hand-cut granite cobbles, Nordic Cobble is a stylish option for striking borders, grid patterns and circular designs. Randomized cobble ‘faces’ offer a natural look that works equally well whether its used in combination with rustic pavers or juxtaposed with sleek, contemporary slabs. Nordic Cobble can be installed either traditionally, or on a permeable base to allow water to flow through.

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NORDIC COBBLE

Modelled after traditional hand-cut granite cobbles, Nordic Cobble is a stylish option for striking borders, grid patterns and circular designs. Randomized cobble ‘faces’ offer a natural look that works equally well whether its used in combination with rustic pavers or juxtaposed with sleek, contemporary slabs. Nordic Cobble can be installed either traditionally, or on a permeable base to allow water to flow through.

Colors
Applications
Driveway
Heavy Duty Vechicular
Patio & Walkway
Permeable
Shape and size
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TRAPEZOID
89.9mm x 94mm x 60mm
3 5/8" x 3 3/4" x 2 3/8"
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TRAPEZOID
89.9mm x 94mm x 60mm
3 5/8" x 3 3/4" x 2 3/8"
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TRAPEZOID
89.9mm x 94mm x 60mm
3 5/8" x 3 3/4" x 2 3/8"
Technologies
Technologies
EnduraColor
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The refined surface of Unilock EnduraColor products is achieved with a two step manufacturing process that combines a base of coarser aggregates for a stronger foundation, with concentrated color and wear-resistant finer aggregates on top. This process protects the surface from the appearance of fading over time because the top layer prevents large, lighter color aggregates from ever showing through.

Our technologies
Colors
OPAL BLEND
DARK CHARCOAL
GRANITE MIST
Pick a color
OPAL BLEND
DARK CHARCOAL
GRANITE MIST
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Information
Information
Packaging
Downloads

NORDIC COBBLE™

Recommended Base Stabilization – one layer of DriveGrid™" stabilization grid between subgrade and base material. Recommended depth 8” to 10” below pavers for maximum stability and performance. 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).

Standard Bedding Course – 1” thick of coarse sand– in accordance with ASTM-D2940 screeded over base.

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.)

Alternative Permeable Bedding Course – 1” thick of 1/4” clear open-graded chip stone – (ASTM No. 8) screeded over base.

Jointing Material and Joint Stabilization 

All sands must meet ASTM C144 or C33 Specifications. For best appearance and optimal performance,, keep jointing materials approximately 1/8” below the chamfer (bevel edge) of the paver.

Good Option: Ordinary sharp jointing sand in accordance with ASTM C144 or C33. (Common name: Concrete Sand)

Best Option: Any polymeric sand or ordinary concrete sand stabilized by a water-based or solvent-based joint sand stabilizer sealer. Always follow manufacturer’s application specifications and requirements.

Permable Option: For permeable applications use ASTM No. 8 or 9 for filling paver joints.

Handling – This product has no special handling requirements.

Edge Restraint - Always install an edge restraint around the perimeter of any paver installation not restrained by building structures. Spike-in edge restraints come in plastic and metal and work well for most applications. A concrete curb or a sub-surface concrete wedge can also be installed to retain the edge.

Paver Compaction - Nordic Cobble has a larger joint than most paver styles, therefore it is recommended that you pre-fill the joints halfway up the joint with jointing material prior to surface compaction. Use a plate compactor outfitted with a protective polymer pad or use a rubber-roller compactor for the final compaction.

The Americans with Disabilities Act Accessibility Guidelines (ADAAG) provides measurable criteria to determine compliance, not individual product evaluation. Gaps, joints or openings, greater than ½” horizontal and ¼” vertical should be avoided as they can disrupt wheelchair maneuvering (United States Access Board – Guidelines and Standards).

Unit Thickness (mm)
Layers per Bundle
Sq Ft per Bundle
Sq Ft per Layer
Sq Ft per Unit
Units per Bundle
Units per Layer
Lin Ft per Bundle - Soldier
Lin Ft per Layer - Soldier
Lin Ft per Unit - Soldier
Lbs per Bundle
Lbs per Layer
Lbs per Unit
TRAPEZOID
60
6
58.95
9.83
0.09
648
108
199.84
33.31
0.31
1,617.87
269.65
2.50

Knowledge
Center

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