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Pebble-Flex® - The first truly
light stable soft rubber surfacing material
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Resurfacing
Pebble-Flex Manufacturer’s Specifications
1.
General
1.1 Scope: These are the manufacturer’s specifications for the Pebble-Flex
resurfacing system.
1.2 Description: Pebble-Flex is a porous thermoplastic aliphatic rubber
designed to be used in the resurfacing of: concrete, wood, asphalt, stone,
metal, and fiberglass. It will bond to most surfaces and will resist surface
movements. It has been designed to be totally light stable and will not
deteriorate under harsh weather conditions.
1.3 Work: Provide all necessary materials, labor, tools, and equipment to
perform the work included in the section for the installation of the
poured-in-place resurface.
1.4 The installation of the new surface shall be completed by Pebble-Flex
Certified Contractors or by the Pebble-Flex Installation Division.
Manufacturer’s detailed installation procedures shall be submitted to the
Architect and made part of the Bid Specifications.
1.5
Temperature must remain above 50F throughout installation and curing
processes.
1.6 Site must be secured against vandalism during
installation and curing processes.
- Submittals
2.1 Manufacturer’s Product Literature and Specification Data.
2.3 Submit manufacturer’s written instructions for recommended maintenance
practices and a 6” by 6” sample for approval by the engineer or architect.
2.4 Color samples for customer verification.
- Products
3.1 Product: Pebble-Flex poured-in-place resurfacing system.
3.2 Materials: Pebble-Flex two-component, 2A to 1B, Polyurethane Primer,
Pebble- Flex thermoplastic aliphatic rubber pebbles, Pebble-Flex
aliphatic, 100% solids, moisture cure, Polyurethane Binder. Each one
hundred pounds of Pebble-Flex pebbles is mixed with one gallon of
Pebble-Flex Binder.
3.3 Finish Texture: Pebble grain.
3.4 Color: Selected from Manufacturer’s Color Chart by owner prior to bid.
- Surface Preparation
4.1 New or Existing Concrete: New concrete must be at least 28 days old,
and can be prepared simply by acid etching. Add acid slowly to water in
clean polyethylene buckets at a ratio of three parts acid to one part
water. Care should be taken to prevent splashing on workers. Protective
clothes such, as rubber gloves, boots, etc. should be used. If contact
with skin occurs, flush the area with water for 15 minutes and consult
with a physician if necessary. The acid solution should be used on the
floor at a rate of 100 square feet per 5 gallons of acid. Using a stiff
broom, scrub acid solution into the surface where the solution was poured
and continue the process to other areas. Never let the floor dry with acid
on it, after 5 minutes rinse the floor with large amounts of clean water
to remove all the acid solutions, then allow the floor to dry. Old
concrete that is contaminated with grease or oil can be cleaned with a
power washer. If needed use a degreasing agent before power washing. For
concrete where a power washer cannot be used, a diamond grinder can be
used to lightly grind the surface to remove contamination. New concrete
should be allowed to cure for 30 days before treatment.
4.2 Metal Preparation: All metal surfaces must be rigid and structurally
sound. Contamination such as grease, oil, dirt, etc. must be removed prior
to coating. Rust or scale should be removed through mechanical means such
as sanding or sand blasting. The surface should be abraded until bright
metal is showing. If the surface is to be left for an extended period of
time, it should be treated with a 10% phosphoric acid solution to prevent
new rust formation.
4.3
Wood Preparation: Pebble-Flex should not be applied over plank or strip flooring.
Sheets of one half inch or thicker plywood may be used to cover this type of
floor. Exterior grade “C” plugged, with extended glue line should be used. The
plywood sheets should be staggered for strength. Lightly sand the wood surface
to clean off any contaminants or power wash. Allow 24 hours for wood to dry
thoroughly.
4.4 Stone or Tile Preparation: Any unstable or loose tile must be
removed. Contamination should be removed with a power washer or mechanically
abraded. 4.5 Fiberglass Preparation: Power wash any contaminants off the
surface. Allow 24 hours for the surface to dry. Solvent wipe the
fiberglass surface before coating with primer.
- Installation
5.1 Forming: Following the shape of the area to be surfaced, form out the
area with 1 x 4 inch wood strips or plywood cut into 4 inch strips.
Stabilize the wood with spikes or stakes and thoroughly wax the wood
surfaces with carnauba wax.
5.2 Priming: Roll or brush Pebble-Flex two-component, one to one,
Polyurethane Primer onto the surface being sure to liberally cover the
entire area. Mix an amount of primer that will be used in less than 15
minutes. Normally this would be approximately one gallon at a temperature
of 85 degrees F. If it is warmer, the primer will cure faster and less
material should be mixed. Only prime 700 square feet at a time, and as the
installers approach an unprimed area, prime 700 additional square feet.
5.3 Pebble-Flex Mixing and Finishing: Mix two bags, 100 pounds, of Pebble-Flex
pebbles with one gallon of Pebble-Flex aliphatic, moisture cure,
Polyurethane Binder in a wheelbarrow or mixer. Mix thoroughly so that each
pebble is covered evenly. Dump the mix onto the primed area and spread it
with a rake then trowel to an average thickness of 0.375 inches, keeping
the surface as level as possible. Hand or power trowel using a solution of
soapy water to spray the surface of the trowel. This will allow easier
manipulation of the trowel as well as aid in the curing of the Polyurethane.
Let the surface set for 24 to 72 hours or until dry to the touch before
using.
- Cleaning and Demonstration
6.1 The contractor should clean the jobsite of excess materials and if
necessary backfill any excavation around the perimeter with earth or other
appropriate material.
6.2 The contractor shall instruct the owner’s personnel on proper
maintenance and repair of the Pebble-Flex surface.
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