Installation Guide

INSTALLATION
PATIO STONES | INSIGNIA
®
PATIO
Excavate the
installation area to
approximately 6 in.
larger on all sides
than the actual
finished size.
Install patio base to a
compacted finished
thickness of 4 in. for
patios and walkways.
Lay a 1 in. outside
diameter pipe on
base. Spread 1 in. of
sand over compacted
base. Level the sand
by dragging a 2 in. x
4 in. board over pipe.
Lay patio stones in the
desired pattern. If the
desired pattern requires
cutting, the patio stones
can be cut with a wet
saw.
Spread polymeric sand on
the installation and sweep
into joints, according
to manufacturer’s
instructions. Sweep off any
loose sand from project
surface.
1. Mark & Dig
2. Base & Compact
3. Base Preparation
4. Lay Stones
5. Sand & Finish
6. Edge Restraint
Install patio restraint
edging and spikes
around the entire
project, according to the
manufacturer’s instruction.
Use this chart to estimate the number of 16"units you will need.
16"
Unit
Project Square Feet (length x width)
20' 30' 50' 100' 150' 200' 250' 300'
Units 11 17 28 56 84 112 140 168
ESTIMATING
©2015 Keystone Retaining Wall Systems LLC
Keystone Retaining Wall Systems LLC • A Contech Company
4444 West 78th Street • Minneapolis, MN 55435
[phone] • www.keystonewalls.com