Home > Products >

Retaining Walls

Allan Block

> Europa >

Instructions and Coursing Charts

Allan Block Europa Instructions and Coursing Charts

Instructions for Typical Europa Reinforced Wall

Compacted Base Material:

Compacted Granular A (well-graded aggregate, ranging in size from .25 inch to 1.5 inch and containing less than 10% fines) to a depth of 6 inches (15 cm) or more.

Sand Setting Bed:

Screed sand to a depth of 1 inch. Level block front-to-back and side-to-side.

Infill and Drainage Zone:

Fill blocks and 12 inches (30 cm) behind the wall with free-draining, 1/2 inch, clean stone. Protect the drainage zone from migration of fines by placing filter cloth between drainage zone and backfill material.

Allan Block Europa Coursing Charts

Two-Course Pattern

Finished Wall Height:
22" (55 cm)
(4" (10 cm) below finished grade)
Block Required for Each 8.5' Section:
Dover-6, Palermo-2, Barcelona-6, Bordeaux-8
Base Course: Dover-6

Three-Course Pattern

Finished Wall Height:
30" (75 cm)
(4" (10 cm) below finished grade)
Block Required for Each 8.5' Section:
Dover-8, Palermo-10, Barcelona-8, Bordeaux-4
Base Course: Dover-6

Four-Course Pattern

Finished Wall Height:
36" (90 cm)
(6" (15 cm) below finished grade)
Block Required for Each 8.5' Section:
Dover-12, Palermo-12, Barcelona-8, Bordeaux-8
Base Course: Dover-6

NOTE: For finished wall heights of 40" (100 cm) and 46" (115 cm), contact Nitterhouse for additional Coursing Charts.

www.allanblock.com