2430 / 2431 Ulster Flex


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243x Ulster Flex Series

All Ulster Flex products are based on a unique blend of silicon based resins in low odor solvents that cures to a breathable elastomeric film for use on most vertical masonry surfaces. Ulster Flex’s highly UV stable formula provides long lasting protection from acid rain deterioration, minimizes freeze/thaw damage and remains flexible during periods of masonry expansion and contraction. Ulster Flex also makes graffiti removal easier when surfaces are defaced with paints, spray paint, lipstick, crayon and most other commonly used materials.

2432 Ulster Flex 10% Federal VOC 600 and 2433 Ulster Flex 10% OTC VOC 400 provide all the protection needed on most masonry surfaces. Part of the unique formulation penetrates the pores for deeper protection and adhesion while part remains on the surface for maximum protection. The two products perform similarly with the differences being in the solvent makeup for regulatory compliance purposes.

2434 Ulster Flex 20% Federal VOC 600 and 2435 Ulster Flex 20% OTC VOC 400 are designed to be used on split face hollow core concrete block only. This higher solids formula creates a hydrophobic barrier, within the block pores, with the same flexible material as the 2432-2433. Due to the different methods used in the manufacture of split face hollow core block, some surfaces may require two coats to affect a weatherproof condition when exposed to wind driven rain. It is recommended that all split face concrete block be tested with one or two applications prior to the start of a project. A slight darkening or “wet” look appearance change may be seen on some substrates.

All Ulster Flex products meet the Federal EPA standards for Volatile Organic Content (VOC) of 600 grams / liter as calculated by EPA Method 24. Certain states and jurisdictions require more restrictive limits on VOC content. 2433 and 2435 are formulated with solvent blends that meet the more stringent VOC level of 400 grams / liter as calculated by the method that excludes the volume of exempt solvents. It is a violation of state and / or local law to purchase the federally compliant products and use them in a more restrictive jurisdiction. None of the products should be diluted before application. Consult you state or local environmental regulatory agency if you are unsure of the restrictions in your area.

VOC Content and Regulations

VOC stands for volatile organic compounds. While the actual definition is complex and depends on the type of products in which they are used, VOCs can generally be thought of as the solvent content of consumer products like polishes, cleaners, and paint removers and architectural and industrial maintenance coatings like paints and water repellants. Regulating (restricting) the amount of VOCs in products is one of the many ways government entities are trying to reduce air pollution by controlling the amount of hydrocarbons released into the atmosphere...Click here to read more about VOC regulations.

Technical Data

Appearance: Clear Liquid
Active Solids: Silicone Elastomer - 10% or 20%
Flash Point: 105° F
Odor: Little Or None
Elongation: 400%

Preparation & Application

Protect all non-masonry surfaces from dripping or over spray. Provide protection for windows, foliage, adjacent surfaces that are not to receive treatment, vehicle and pedestrian traffic. Take precautions to protect other surfaces from wind drift. Using the method to be used on the project, apply a test area of 10 square feet to calculate the coverage rate per gallon and to determine if there will be any unacceptable color change. For most dense masonry, coverage rates should be between 75 to 125 square feet per gallon. For split face hollow core concrete block the coverage should be between 50 and 100 square feet per gallon. All masonry surfaces should be clean, surface and subsurface dry prior to application. All application equipment must be completely dry before use. A spray application is preferred but roller applications can be successful as long as there is complete surface saturation. Spray equipment must be clean and equipped with solvent resistant hoses and gaskets. Apply with a coarse low-pressure spray creating a saturating 4 to 6 inch run down of the fluid. Intentional or accidental application to horizontal surfaces like sidewalks or driveways will result in a dangerously slippery situation that must be avoided.

Limitations

All masonry surfaces must be free of any agent or agents that will prevent penetration of the fluid. Application should not be undertaken when rain is expected within 24 hours or if there is dew, frost or ice in the surface. The best results are obtained when surface and ambient temperatures are 40 degrees and rising. Do not alter the product with any other material. Ulster Flex products are not acceptable for application to horizontal, polished masonry and granite surfaces. If the fluid comes in contact with window glass or other non-masonry surfaces, remove immediately with a solvent soaked rag. Ulster Flex applications may cause a slight to moderate color enhancement of some surfaces. Testing is recommended, prior to the start of a project, to determine if there are any changes that are unacceptable.

Safety

This product must be used only as directed. Safety information is included with product. An MSDS is available from your regional representative.

Customer Service & Technical Assistance

Factory personnel can be contacted at 1-412-471-3330 for specific recommendations without any obligation.

Factory trained representatives are available in many locations to assist with project recommendations and dealer locations for purchase of materials. Call 1-412-471-3330 for the name and location of your nearest representative or dealer.