TUFFLEX Polymers -Standard Outdoor RBC - Base Coat

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Product Description TUFFLEX STANDARD OUTDOOR “RBC” is a single component, liquid applied, water-catalyzed, urethane-polyurea elastomeric waterproofing base membrane.

Category: moisture protection | tile accessories | waterproofing...

MasterFormat: Pedestrian Traffic Coatings | Membrane Roofing | Elastomeric Coatings...



TUFFLEX Polymers
10880 Poplar Avenue
Fontana, CA 92337
Tel: (888) 883-3539

awren@tufflexpolymers.com

http://www.tufflexpolymers.com/

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Overview


Standard Outdoor RBC - Base Coat


Product Description

TUFFLEX STANDARD OUTDOOR “RBC” is a single component, liquid applied, water-catalyzed, urethane-polyurea elastomeric waterproofing base membrane. TUFFLEX STANDARD OUTDOOR “RBC” can be used as the primary “Non-Gassing” waterproofing membrane in many of the traffic bearing waterproofing systems manufactured by TUFFLEX POLYMERS.


General Information

Basic Uses: TUFFLEX STANDARD OUTDOOR “RBC” is a single component, liquid applied, water-catalyzed, urethane-polyurea elastomeric waterproofing base membrane used for parking decks, pedestrian decks, elastomeric roofing, ship decks, & under tile. RBC-500 can be used on a number of substrates including concrete, plywood, masonry, or metal.

Color: Grey
Packaging: 5 gallon (18.9 liter) pail with 1 vial of optional Catalyst
Limitations:
Using a clear topcoat over this membrane may result in a cloudy, milky finish unless the TUFFLEX “RBC” is sealed initially with an aggregate binding coat of pigmented COLOR-COAT AL-ESTER or ELASTA-TUFF 6000-AL. TUFFLEX “RBC” is not UV stable and must have a topcoat applied.
Surfaces to be coated must be dry, clean and free of foreign matter. Do not apply if surface or air temperatures are below 50°F or above 90°F.
Cured surface may be slippery when wet. Therefore proper surface texturing and traffic enhancement is important.
TUFFLEX “RBC” requires proper flashing and flashing reinforcement, proper priming and proper perimeter detailing work.
TUFFLEX “RBC” is a fast curing material and must be applied immediately after thoroughly mixing with water. Containers that have been opened should be used as soon as possible.
Coverage Rate: Five (5) gallons of TUFFLEX “RBC” when properly mixed with one gallon of water will provide 35-38 dry mils of coverage when applied over a 200 sq. ft area.

Porous Plywood or uneven surfaces always require the addition of 60 mesh or 30 mesh bonding aggregate broadcast into the TUFF-POXY Primer. These conditions will also require additional TUFFLEX “RBC” material to achieve the same dry film mil thickness.

Shelf Life:
TUFFLEX “RBC” has a shelf life of six (6) months from date of manufacture in original, factory sealed plastic containers and nine (9) months in original, factory sealed metal containers when stored indoors at 77° F.

Waste Disposal: Any liquid material that is not saved should be disposed of by mixing the material with the appropriate amount of catalyzing water and disposed of in accordance with local regulations.


Product Installation

Sloping & Concrete Repairs: Prior to the membrane application concrete repairs can be made with a sand or rubber slurry mixture consisting of 1 volume mixed (with water) TUFFLEX “RBC” (see mixing instructions below) to 1 volume clean sand or ½ volume rubber granules. By use of the RBC CATALYST, light foot traffic is allowed over the repaired areas in as little as 2 - 4 hours depending on weather conditions.

TUFFLEX “RBC” can be thickened into a paste consistency by adding up to 15% by volume of fine rubber powder.
Mixing:
Before application, briefly premix TUFFLEX “RBC” using a mechanical mixer (Jiffy Mixer) at slow speeds. Add the optional TUFFLEX RBC Resin Binder Catalyst (for a rapid cure) and then add the water and mix thoroughly until a homogenous mixture is obtained. Use care not to allow the entrapment of air into the mixture.
Surface Preparation:
All surfaces to be coated with TUFFLEX “RBC” must be free of any and all contamination including paint and concrete, and should always be primed. New traffic bearing concrete surfaces are often shotblasted, high pressured water blasted or etched with a 15% to 20% solution of muriatic acid to remove laitance and impurities. (After the acid has ceased boiling, immediately neutralize with a diluted solution of ammonia and water. High pressure wash with water in order to remove all cleaning chemical contaminants). New concrete should be cured for a minimum of 28 days and should have a minimum of 3000 psi compressive strength. The only permissible curing compounds (if used) are of the pure sodium silicate type. The use of other curing agents will always require job site pre-application testing and possibly removal by grinding.

Application Conditions: All application conditions require priming. Use TUFF-POXY Primer # 1 (solvent free) or TUFF-POXY Primer # 2 (standard VOC) or Primer #3 (low VOC). Many situations will require the use of 30 mesh or 60 mesh bonding aggregate. Allow the primer to properly cure until firm and only tacky prior to application of the TUFFLEX “RBC” membrane system. Apply the primers at the rate of 250-350 square feet per mixed gallon.

Thorough mixing of the base component and the water component is critical to a successful application and should be performed with a slow speed power mixer such as a model KOL mixer with a “jiffy blade”.

Mix TUFFLEX “RBC” with water (this means water must be added) at a ratio of ½ gallon of water to 2 ½ gallons (1/2 Pail) of TUFFLEX “RBC” Resin Binder. This will yield 3 gallons of liquid membrane. The mixing ratio is 5 PARTS TUFFLEX “RBC” Resin Binder TO 1 PART OF WATER (5:1).

Application: All concrete, metal and old plywood surfaces should be primed the same day as the TUFFLEX “RBC” is installed. If there will be a 24 hour to 36 hour delay before the base membrane installation the primer must receive a full broadcast of bonding aggregate. Apply the properly mixed and catalyzed TUFFLEX “RBC” evenly over the entire deck. For best results use a squeegee or a notched trowel followed by backrolling Application should proceed rapidly and be continuous across the entire deck to ensure a smooth and even coat.

An aggregate of 14-30 mesh rubber granules may be broadcast into the TUFFLEX “RBC” liquid membrane at a rate of 10 lbs. per 100 sq. ft. or to refusal. The amount of rubber used will vary. When a rigid texture is desired, 20-40 mesh flint shot silica aggregate may be broadcast to refusal into a 2nd application or Aggregate Binding Coat of TUFFLEX “RBC” or into the first layer of Colorcoat AL-Ester.

Curing: Allow each layer of properly mixed and catalyzed membrane to cure a minimum of 3-8 hours and until firm before proceeding with subsequent coats.


Maintenance

If the TUFFLEX Membrane is damaged it can be repaired in order to return it to a monolithic state. Clean and abrade the damaged area. Solvent wipe clean the area with an environmentally safe solvent as permitted under local regulations. Ensure that the surface is free of all dust, dirt, oils or other foreign matter that will impair bonding. Allow the area to completely dry before priming and reapplying the TUFFLEX Membrane, texture and/or topcoat as needed. Refer to the TUFFLEX Advisory “MAINTENANCE AND CLEANING GUIDELINES FOR SURFACING SYSTEMS” for routine cleaning. Refer to the TUFFLEX Advisory “APPLICATION OF A NEW TOPCOAT” when re-topcoating the entire deck.


Warnings & Hazards

This product contains isocyanates and a small amount of petroleum based solvents. Read the container-warning labels carefully. Exposure to isocyanates and petroleum solvents may cause allergic skin and respiratory reaction. Personnel applying isocyanate prepolymers should wear protective, clothing, goggles and gloves and should use only with adequate ventilation and respiratory protective gear.

Avoid contact of material with skin or eyes and avoid breathing vapors. Mix and apply only in well-ventilated areas. Read the appropriate MSDS sheets prior to handling the epoxy primers or TUFFLEX membranes. THIS PRODUCT IS FOR PROFESSIONAL USE ONLY.


Limited Warranty

Tufflex Polymers (TUFFLEX) warrants this product to be free of defects in workmanship and materials only at the time of shipment from our factory. If any TUFFLEX materials prove to contain manufacturing defects that substantially affect their performance. TUFFLEX will, at its option, replace the materials or refund its purchase price.

The limited warranty is the only warranty extended by TUFFLEX with respect to its materials. There are no other warranties, including the implied warranties of merchantability and / or fitness for a particular purpose. TUFFLEX specifically disclaims liability for any incidental, consequential, or other damages, including but not limited to, loss of profits or damages to a structure or its contents, arising under any theory of law whatsoever.

The dollar value of TUFFLEX’S liability and buyer’s remedy under this limited warranty shall not exceed the purchase price of the TUFFLEX material in question.


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Specifications

Technical Data
PROPERTYTYPICAL VALUETEST METHOD
ColorLight Grey
Weight per Gallon

9.3 lbs.

Solids Content92 % ± 2%Calculated
VOC Content100 gm/literCalculated

Coverage: sq. ft. per mixed gal @ 50 dry mils thickness

25 (4 gal./sq.)Calculated
Hardness, Shore A60 ± 5D-2240
Tensile Strength1200 ± 150psiD-412
Ultimate Elongation, %600 ± 100%D-412
Chemical Resistance (Commonly encountered acids, salts, and oils)Good ResistanceD-3476
Pot Life, @77°F22 – 28 minutes------
Gel Time, @77°F35 - 40 minutes------
Low Temperature Brittleness @ 0°FPassesD-746
Flash Point, Base MaterialAbove 120°FD-3278
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