Walls

Pisa Smooth

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Unilock

PISA SMOOTH®

Pisa Smooth is a new segmental retaining wall system providing a linear modern aesthetic to any landscape project. The ideally sized block provides fast, efficient installation, with great contractor friendly features. Pisa Smooth features the ability for both battered (slight lean) retaining, or completely vertical orientation, for a versatile range of installation options. Easily create garden or large retaining walls, two-sided seat walls, pillars, planters or almost any other vertical element.

Applications
  • FIRE FEATURES
  • GARDEN WALLS
  • STEP
  • STRUCTURAL WALL
TECHNOLOGY
CLASSIC
COLOR
CLIFFSIDE GREY
GRANITE
IRISH COAST
SANDY BEACH
SHAPE & SIZE
COPING
COPING
550mm x 85mm x 350mm
21 3/4" x 3 3/8" x 13 7/8"
CORNER
CORNER
550mm x 85mm x 275mm
21 3/4" x 3 3/8" x 10 7/8"
STANDARD
STANDARD
550mm x 85mm x 275mm
21 3/4" x 3 3/8" x 10 7/8"
Full Detail

PISA SMOOTH™

APPLICATIONS – Design and build projects such as planters, steps, grill islands, pillars, seat walls and water features. Can be used for straight and curved installations (Radius 5’ is the tightest radius).

CAPACITY – Gravity walls up to 24” (1m). Geogrid reinforced walls can be built higher with engineering from a professional engineer.

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 retaining wall blocks directly on top of gravel is tedious and generally does not yield the best results. U-Grip Base units or universal base pads are recommended under all Unilock walls for improved accuracy and speedier installation.  Additional benefits include long term structural integrity and an overall better appearance.  Poured concrete leveling pads, reinforced with rebar, are also a great way to accomplish leveling, particularly 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 between layers. Use appropriate concrete adhesive for connection between units where the key has been removed or for corners. Always read adhesive manufacturers’ directions prior to gluing.

HANDLING – Avoid bumping units against each other to prevent chipping.

COPING - This wall requires coping. Choose a manufactured coping such as Pisa Coping, Universal Coping or any of our natural stone coping options. Install with tight joints or 3/16” gap between units and amend with an exterior latex caulking. Cutting may be required; a diamond blade saw is required to cut coping properly. Glue all coping using a specially formulated concrete adhesive that is strong and will not break down over time. Always read adhesive manufacturers’ directions prior to gluing.

GET A QUOTE ON THIS PRODUCT

This fine quality product offers beauty, durability, and versatility to enhance your landscape and outdoor living space. Tell us about your project and we’ll be happy to give you a quote so you can discover how affordable this is to install for your home or business