BOSTIK BECKOTHANE

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Recommended Uses:Timber/Parquetry Ensure surface is clean, dry and free of all wax, grease or other surface contamination.  The floor should be finely sanded and all sanding dust thoroughly removed by vacuuming.  Thin the first coat of Beckothane® up to 10% of XS Solvent.  Apply using a quality brush, mohair roller or lambswool pad.   Difficult Timbers Non-absorbent oily timbers like Tallowood, Brush Box and Iron Bark etc require special attention when coating.  Always conduct a small trial to ensure satisfactory adhesion prior to coating the main area.  We recommend thinning Beckothane® 25% with XS Solvent as the first coat when coating these difficult timbers.  Ensure that the first coat is applied within 4 hours of the surface preparation and sanding. As Beckothane® is somewhat self-levelling and tends to dry rapidly, it is best applied quickly and liberally and allowed to flow out to a smooth surface. Two to three coats of Beckothane® are required on timber.  Apply subsequent coats as supplied without dilution.  It is suggested to recoat within a 4 - 16 hour period depending on the grade of product and the drying conditions.  Refer drying/recoat section. It is advisable to sand lightly, but thoroughly to a matt finish between coats and to thoroughly remove all sanding debris and footprints prior to recoating.   Cork Tiles Cork tiles usually require a total of three coats.  Ensure cork is finely sanded and all sanding debris removed by thoroughly vacuuming.  Apply in a similar manner as described in Timber/Parquetry. Concrete Concrete should be allowed to cure for a minimum of 28 days.  The water dampened concrete should be acid etched with Hydrochloric Acid solution diluted 1 part acid to 4 parts water.  Spread diluted acid over floor with broom or mop.  A white haze of bubbles indicate proper etching action and this must be obtained.  Allow the acid solution to remain on the concrete for 1-2 minutes or until the bubbles cease to form.  Rinse thoroughly with clean water before the acid solution dries, otherwise salts will form which are difficult to remove.  Water should not bead up on a properly etched floor and the concrete should have a profile similar to fine sand paper.  If profile is too smooth or if water does bead up, the acid etching was insufficient and must be repeated. Allow the floor to dry completely before coating.   Concrete usually requires 1 - 2 coats of Beckothane®.  Large areas of concrete can be coated with a rubber squeegee.   Thin the first coat of Beckothane® up to 10% of XS Solvent.  Apply quickly and liberally by quality brush, mohair roller, lambswool pad or squeegee.   Apply second coat, if required, within a 4 - 16 hour period depending on the grade of product and the drying conditions.  Refer drying/recoat section.   Beckothane® may be applied by spray application.  Ensure all precautions and requirements of legislation involving the spraying of Isocyanate materials are complied with.