Upgrade Your Deck to Amazing
Introducing the SilcaGrate™
The SilcaGrate™, developed by StoneDeks, is a patented structural underlayment system that turns ordinary wood or metal-framed decks into durable stone, paver, brick, or tile surfaces.
- Material: Made from thick, engineered recycled polymer, SilcaGrate has a hexagonal honeycomb structure that provides support every 2 inches.
- Dimensions & Weight: Each grate measures 16″ × 18″, is 1.5″ thick, and weighs about 4 lbs.
- Certified Strength: Tested to hold over 500 lb per grate for at least 30 days, supporting heavy surface materials safely.

How the SToneDeks SilcaGrate™ WOrks

Installation on Joists
Inside of joists with cleats for existing deck structures. The grates are screwed in using #9, 3″ deck screws at each corner.

Cutting & Fit

Accessory Layers
SilcaSpacers™ ensure uniform spacing for tile or stone joints, improving alignment and drainage.

Surface Application
For Hardscapes: the SoilGrid®
The SoilGrid®, developed by StoneDeks, enables you to build stronger hardscapes by stabilizing the base material.
- +95% Permeable ground reinforcement
- Up to 50% base reduction in excavation
- Reduced settling issues
- Installation without heavy construction equipment
- Each grid is 13” x 13” x 1” thick (1.17 sq ft)
- Comes in pre-connected sheets 52” x 39″ for fast installation
- Stable from temperature range -58° F to +194° F

how the SoilGrid® system works
The SoilGrid® HS30 is a heavy duty linking grid system that allows you to build stronger hardscapes by stabilizing the base material and without heavy construction equipment.

Excavate And Prep
Excavate base base to ½ of ICPI or local building code. (may vary with soil conditions). Install geotextile fabric. Install aggregate base and compact.

INstall SoilGrid®
Start installation at a corner of the area. Each SoilGrid® interlocks to give you an easy, straight, and solid foundation. Fill the installed SoilGrid® with aggregate and compact to level.

Install Pavers
Install pavers. Additional textile, adhesive, or polymeric sand can be used depending on your conditions. Your hardscape is more than 90% permeable. Perfect for walkways, driveways, patios, and pools.
Additional StoneDecks Products
SilcaMat™

SilcaMat™ is a permeable, rubber underlayment that can be installed on top of the SilcaGrate™ and underneath the porcelain, stone, or other pavers. SilcaMat™ reduces the sliding and horizontal movement of pavers during installation, as well as deadens sound for the finished floor.
The SilcaMat™ is resistant to mold, bacteria, and fungi and is
extremely stable in both cold and hot climates. It’s also
eco-friendly because it’s made from 94% recycled rubber.
Dimensions: 4’ x 5’ x 1/8” (2mm)
Coverage: 200 Square Feet
Material: Permeable Recycled Rubber
Weight: 75 lbs
Dimensions: 48 × 9 × 9 in
Temperature Stability: ~40 ℉ to +240℉ (-40℃ to +115℃)
Silcaspacer™
SOLD BY 100 CT.
3” x 3” base – 1/16” tab – 1/4” tall and 3/16” wide
Flexible Black
Used for ground application of porcelain pavers.
Rigid Black
Used for porcelain paver applications on decks and elevated surfaces. Spacers are not necessary if using SilcaMat™.

Rise-It spacer™
SOLD BY 100 CT.
6”X 6”, 1/8” BASE WITH 1/8” TAB THAT IS 3/8” TALL
For use with porcelain pavers installed with open joints.

How to Order
For more information or to order these products, or to become a supplier, call (330) 821-1585 or fill out our contact form:
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