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Landscape & Design

By Sophie Rhéaume • July 4, 2018

Prescott Wall Recommendations

Techo-Bloc

Our Prescott segmental retaining wall is a “Craftsman’s” style wall.  The product’s authentic sizes, shapes and textures create the most natural style wall available in the SRW industry.

As it is indicated in our Techo-Spec guide, the dimensional tolerance for Stonedge wet cast retaining wall units is: ± 3/16" (5 mm) for height and ± 1/2" (13 mm) for length and width.

During the installation, the heights of adjacent wall units will vary (usually, more than for a dry cast wall unit) providing a more realistic appearance of a natural stone wall.

Prescott

For a Prescott wall construction to go smoothly, anticipate a bit more labor consumption, so it’s important to plan accordingly.

We recommend building it in a modular pattern to increase productivity and provide a great look. 

Modular Construction

At our Contractor Showcase events this year, Paver Pete gave a demonstration on how to build a Prescott wall modularly. 

 

Modular construction requires 2.25’’ and 4.5’’ units.

Use alternating courses of:

  • ABC/cba
  • cba/ABC
  • CA/ac
  • ac/CA
  • AB/ba
  • ba/AB
  • BC/ca
  • cb/BC
  • b/B
  • B/b

For every alternating set of ABC/cba, use one BB combo to account for extra “B” units in the pallet.

Ratio to build modularly using both sizes should be 66% 4.5 units and 34% 2.25’’ units, or 2:1 4.5’’ to 2.25’’.

wall showcase

This image shows some examples of modular construction with Prescott Wall 2.25’’ and 4.5’’ units:

pattern

Avoid patterns that have too many 2.25’’ units stacked in one area.  This will magnify the minor height difference.

kghiuqa

This is a representation of how units are placed on a pallet:

pallet

Modular Corner and Pillar Construction

Corners need to be installed in 6 ¾’’ modules also to work with the wall.

Corner ratio is the same as block ratio: 66% of 4.5’’ Corners and 34% of 2.25’’ Corners, or 2:1 4.5’’ to 2.25’’.

This diagram presents an overview of corner options:

pattern2

Here are two examples of modular pillars constructed like a wall:

pillar

 

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