Rio-Crete Self Leveling Urethane Mortar

Rio-Crete Self Leveling Urethane Mortar

RIO FLOORING SYSTEMS represents the next generation of polyurethane concrete technology. These Bio-Based flooring systems utilize domestically produced soy bean oil and environmentally friendly packaging.

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RIO-CRETE SL is a medium-duty seamless flooring system typically installed at 3/16” finished thickness. RIO-CRETE SL is resistant to MVT and withstands moderate thermal shock, impact, abrasion, and chemical exposures. RIO-CRETE SL offers various surface profiles to meet individual project requirements. RIO-CRETE SL is formulated with a natural additive to be resistant to fungi growth per the industry standard ASTM G-21.

TYPICAL PROPERTIES AT 70°F
Compressive Strength (ASTMC-579) 8,400 psi
Tensile Strength (ASTM C-307) 1,050 psi
Flexural Strength (ASTM C-580) 2,700 psi
Bond Strength (ASTMD-4541) 100% Concrete Failure
Impact Strength, in/lbs (ASTM D-4226) >160 in-lb
VOC 5 gm/l
Resistance to Fungi Growth (ASTM G-21) Passes, Rating of 1
The data shown above reflects typical results based on laboratory testing
under controlled conditions. Variations from the data shown may result.
Test methods are modified where applicable.
INSTALLATION DATA
Application Temperature, ambient 40 – 85ºF
Application Temperature, material 50 – 80ºF
Shelf Life 6 months
Pot Life,@77ºF 15 minutes
Traffic, @77ºF Light:12 hours / Full: 24 hours
Fully Cured,@77ºF 7 days

 

SURFACE PREPARATION
Concrete: Apply only to properly prepared clean, dry, and sound concrete substrates that are free of all coatings, sealers, curing compounds, oils, greases, or any other contaminants.
• New concrete should ideally be cured for a minimum of 14 days to reduce possible shrinkage cracking in the concrete. RIO-CRETE SL can be installed after 7 days or when the concrete reaches a minimum 3,500 psi compressive strength, which will allow for proper surface preparation, however, early curing movement, shrinkage, or cracking that may occur in the concrete will be reflected through the final RIO-CRETE flooring.
• Concrete that has been contaminated with chemicals or other foreign matter must be neutralized or removed.
• Remove any laitance or weak surface layers including broom finish surface.
• Concrete should have a minimum surface tensile strength of at least 300 PSI per ASTM D-4541.
• Surface profile shall be CSP-5 or greater meeting ICRI (International Concrete Repair Institute) standard guideline #03732 for coating concrete, producing a profile equal to 40-grit sandpaper or coarser. Prepare surface by mechanical means to achieve this desired profile.
• Moisture vapor transmission should be 12 pounds or less per 1,000 square feet over a 24-hour time period, as confirmed through a calcium chloride test, as per ASTM E-1907.
• All concrete surface irregularities, cracks, expansion joints, control joints, and terminations should be properly addressed and prepared
prior to the application of the flooring. Moving joints and cracks will reflect through the final installed RIO-CRETE flooring.

 

Rio-Crete Self Leveling Urethane Mortar Application:

Follow the detailed application instructions and the safety instructions listed on the product Safety Data Sheets (SDS) copies available upon request. The following installation summary is for reference only and should not be relied upon as all-inclusive. RIO-CRETE systems should only be installed by trained persons experienced in polyurethane concrete flooring applications.
1. To prevent lifting or delamination, keyways (minimum 5/16” wide x 5/16” deep) must be cut at all terminations, joints, columns, doorways, and drains.
2. Clean sand and dust from prepared concrete where the floor is to be installed.
3. A cove base material can be used to install a cove and/or base as required. The cove/base can be installed before or
after the installation of the RIO-CRETE SL depending on the specification and or the desired result.
4. Pour ½ Gallon Part A into a 5-gallon mixing pail.
5. Add 3 fluid oz. liquid pigment to Part A and mix for about 15 seconds using a ½” drill and jiffy-type mixing paddle.
6. Add ½ Gallon Part B and mix for another 15 seconds.
7. Gradually add all contents of an RIO-CRETE SL Filler into the liquid mixture and blend thoroughly until all particles are wetted out, normally about two minutes. DO NOT BLEND AGGRESSIVELY OR INTRODUCE AIR.
8. Immediately after mixing (within 3 minutes), spread the mixed RIO-CRETE SL onto the floor at the desired thickness, using a cam rake or trowel. Approximately 1/8” for a 3/16” finished floor.
9. Lay abutting edges within 10 minutes to ensure a clean edge. A “wet edge” installation is imperative during large placements to
avoid lines and ridges in the finished floor.
10. Evenly apply to desired thickness while trying to keep cam rake lines to a minimum. Backroll across slurry with spike roller to help settle aggregates and blend cam rake lines. Further, roll with loop/texture roller perpendicular to cam rake lines over the entire floor to even and settle slurry prior to broadcasting.
11. Broadcast to reject specified broadcast media (aggregate or decorative flakes) onto the wet slurry. Do not broadcast onto the wet
edge area until settling and backrolling is complete. Continue broadcasting until no wet areas remain.
12. After curing (approximately 6-8 hours to withstand foot traffic), remove all excess broadcast media and scrape the floor as required.
13. Apply specified topcoat to lock system and achieve desired slip resistance.

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