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GENERAL GUIDELINES

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        an undiluted basis. No allowances have been made for material   dry until tack free and sufficiently cured for foot traffic before
        waste, uneven surfaces, spillage, material applied thicker than   applying additional polyurethane coating. A period less than
        specified, or material left in containers or equipment.  one hour to overnight may be required depending on drying
                                                              conditions and the particular product used.
        MIXING
        Important: All products must be mixed according to the   For a more slip-resistant surface, uniformly broadcast a
        Technical Data Sheets prior to use.                   washed, dry, rounded 16 to 90 mesh (0.0065-1.19 cm) silica
                                                              sand into the wet topcoat at a rate at a rate of 20 lbs/100 sqft
        Mix two component materials individually before combining.   (1kg/sqm) or as required to achieve a slip-resistant finish.
        Stir all materials thoroughly before use. Examine both   Slip resistance will vary depending on the coating thickness.
        Side-A and Side-B for graininess. Partial containers should
        not be stored longer than one or two days as exposure to   Extend each coat over cants and up vertical surfaces of pads,
        atmospheric moisture induces cure. Keep containers covered   curbs, walls and parapets. The top of curbs and equipment
        whenever possible.                                    pads shall be similarly coated. In the case of walls and parapets,
                                                              extend coating to the point where counter flashings enter the
        For best results, power mix thoroughly for five minutes,   masonry. Where no counter flashing is specified, hold the base
        scraping sides of container. Best results are obtained by   coats just short of the termination line at the edge of the deck
        pouring Side-B into Side-A while mixing. Polyethylene or   to avoid seeping under masking tape or spilling on adjacent
        polypropylene mixing containers are recommended, as they   unprotected surfaces.
        can be reused. Cured material is easily stripped out cleanly
        the following day.                                    If the entire job cannot be carried through to completion
                                                              without interruption, the interruption should occur after the
        If the product requires a catalyst, the best results will be   first coat. This will provide protection for the system.
        obtained by pouring the catalyst into the product while mixing.
                                                              Coated surfaces must be clean and dry before work resumes.
        Mix only as much material as can be used within the specified
        pot life.                                             APPLICATION OF TOPCOAT
                                                              Inspect the surface for damage prior to the application of
        COLD WEATHER APPLICATION                              topcoat. Any surface damage must be re paired by replacing
        During cold weather, special precautions must be taken in   base coat so that a continuous membrane in substantially
        applying polyurethanes. These coatings should not be applied   uniform thickness covers the entire surface prior to topcoat
        to surfaces 50°F (10°C) or colder. Store materials above 65°F   application.
        (18°F), or warm to above 65°F (18°C) prior to use. Surfaces
        temperature should be 5°F (3°C) above dew point temperature.  While careful color matching procedures are used, different
                                                              batches of polyurethane may vary slightly in hue. This variation
        If graininess is observed, warm the entire contents of the can   will be too slight to be perceptible if changes are made at
        to 60°F (16°C), and mix until smooth.
                                                              natural breaks in the surface. Intermixing of batches may be
        Lower temperature and humidity may extend curing time.  necessary or desirable to ensure consistency in topcoat color.
        HOT WEATHER APPLICATION                               CAUTION
        Product data on pot life and cure rate are provided for materials   Excessively heavy applications of polyurethane can cause
        at 75°F (24°C).  At temperatures above 75°F (24°C) pot life and   blistering, pinhole or pigment separation during drying,
        cure time will decrease propor tionately as temperature and   resulting in a blotched color. Uniform application at the
        humidity increase. Store materials out of direct sunlight and   specified coverage rate is important to provide proper results.
        mix only the amount that can be applied within the pot life.   Remove masking tape at edges of coating area as soon as
        Refer to product data sheets for further information.
                                                              the final coat of polyurethane is applied. By removing the
        APPLICATION OF BASECOAT                               tape while the coating is wet, it will not be necessary to cut
        All specified quantities are on an undiluted basis. Better films   it off and will avoid damage to the edge of the coating. Any
        are usually produced with less entrapped air when the rate of   seepage under the tape on rough surfaces can be wiped off
        application is no more than 1 1/2 gallons/100 sqft (0.3 liters/  with thinner while wet.
        sqm) or 66 gallons/100 sqft. However, the recommended rate   The following conditions must not be coated with Polycoat
        varies by product and specification.                  Products deck coating systems: on grade slabs, split slabs
        Apply Polycoat Products polyurethane in a uniform thickness   with buried membrane, sandwich slabs with insulation, slabs
        without skips or holidays. Basecoats can be squeegeed or   over unvented metal pan.
        rolled, depending on job type and size. Allow each coat to




        POLYCOAT PRODUCTS TEL 562.802.8834  |  FAX 562.921.7363                                           Section 1.2
        info@polycoatusa.com  |  www.polycoatusa.com
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