Rio-Crete Rake & Trowel Urethane Mortar

Rio-Crete Rake & Trowel Urethane Mortar

RIO-CRETE SF is a heavy-duty seamless flooring system typically installed at 1/4” in thickness. RIO-CRETE SF is tough and withstands thermal shock,
impact, abrasion, and chemical exposure. RIO-CRETE SF offers various surface profiles to meet individual project requirements. RIO-CRETE SF is formulated with a natural additive to

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TYPICAL PROPERTIES AT 70°F
Compressive Strength (ASTMC-579) 8,200 psi
Tensile Strength (ASTM C-307) 975 psi
Flexural Strength (ASTM C-580) 2,500 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

INSTALLATION STEPS
IMPORTANT – 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 SF depending on the
pecification and or the desired result.
4. It is very important to utilize a proper mixer and paddle to ensure a complete mix and to reduce the risk of introducing excessive air into the mixture. Rio Flooring Systems recommends the use of a MAN-U-FAB M-61 (1 HP) mixer with a 10 gallon pail and TR4-10 mixing arm. (www.mixall.com)
5. With the mixer running, pour ½ Gallon Part A into the mixing pail.
6. Add 3 fluid oz. liquid pigment to Part A and mix for about 15 seconds.
7. Add ½ Gallon Part B, mix another 15 seconds.
8. Gradually add all contents of a bag of RIO-CRETE SF filler into the liquid mixture and blend thoroughly until all particles are wetted
out, normally about two minutes.
9. Immediately after mixing (within 3 minutes), spread the mixed RIO-CRETE SF onto the floor at the desired thickness, using a cam rake or trowel. Approximately 3/16” for a 1/4” finished floor.
10. 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.
11. 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 entire floor to even and settle slurry prior to broadcasting.
12. Broadcast to rejection 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.
13. After curing (approximately 6-8 hours to withstand foot traffic), remove all excess broadcast media and scrape floor as required.
14. Apply specified topcoat to lock system and achieve desired slip resistance.

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