General Finishes Enduro Pro Series White Polyurethane is a single-component, self-cross linking polyurethane/acrylic topcoat designed for fast build with excellent flow and leveling. Priced competitively for the professional and industrial markets, Pro Series Clear is tintable and meets or exceeds KCMA standards. Recommended use is interior cabinets, trim, doors, and furniture. Use over raw, stained, or primed wood substrates.

Step 1

All wood projects require preparation sanding. If you skip this critical step, your finish may fail.

Raw wood

1. Sand no finer than 220 grit.

2. Remove dust.

New Stained Surface: Do not sand. Apply directly to the stained surface.

Pre-Finished Wood & Sealed Surfaces

Scuff clean with a non-woven abrasive pad & 50:50 mix of denatured alcohol & water.
Dry 1-2 hours.
Sand lightly with 220-320-grit sanding sponge.
Remove Dust

Other Substrates: Interior MDF, HDF, & Masonite

Can be used with proper preparation & priming. Always test first.

Step 2

CAUTION: Do NOT use topcoat over GF Pro Series White or any other white or light paints such as GF Milk Paint, or GF White Poly as it may cause yellowing. Any clear coat can become reactive over wood substrates or existing finishes, causing tannin or dye bleed-though regardless of priming. All of GF's white paints are self-sealing and do NOT require a topcoat.

Download 2023 Professional Water Based Product Catalog here.

General Finishes Enduro Professional Topcoat Application Steps

Settling is natural. Stir thoroughly to reincorporate solids that have settled to the bottom of the can before and throughout the application process. Do not shake.
Test for adhesion when applying over an existing finish.
Thin as desired with distilled water; start with 5%, adding up to 10% by volume.
Increase open time, if needed, with 10-15% General Finishes Extender if allowed by local regulations. GF Extender will improve flow and leveling and increase open time, which is helpful in dry climates. California Residents: Adding more than 2% of GF Extender will make the products non-compliant per SCAQMD Regulations. GF assumes no liability for the improper use of these products.
Ready to spray from the container. Ready to spray from the container. Apply 2-3 coats. Wear NIOSH-approved respiratory & eye protection.

Spray application: Before spraying, strain topcoat through a fine-mesh filter. Spray wet films at 3-5-mil thickness. Medium air cap. Compressed air: 0.40, HVLP: 1.1mm-1.5mm. Air Assisted Airless: 300-400 PSI pump, 20 PSI assist air, .011" - 013" tip or Airless Fine Finish .007"-.011". Verify tip sizes with your equipment supplier. See the General Finishes general guide for spray tip sizes. Keep your gun at a 90° angle, 6-8" from the surface. On large, flat areas, use wet, even patterns 6-8" wide. For narrow surfaces, reduce the fan pattern to 2-3" wide to reduce overspray. Overlap each pass 25% to conceal lines. Wear a mask and work in a ventilated space.
Respiratory protection:
Based on the hazard and potential for exposure, select a respirator that meets the appropriate standard or certification.
Face frames on cabinets: Enduro professional products are engineered to be spray-only but can be successfully applied to cabinet face frames or edges with a pad or small, cabinet-specific roller, such as Whizz Velour brand. Larger areas may not level with a hand application.

If a faster build is desired over raw wood, use 1 or 2 coats Enduro Sanding Sealer . 3-4 total coats of finish are recommended.
Finish sand between coats with 220-320 grit sanding sponge to improve smoothness and adhesion.
Remove dust with a vacuum, compressed air, an oil-free tack cloth or a water-dampened rag.

Warning: Do not use water-based products with Linseed Oils or Danish Oils.

Dry Time

Dry Time Based on ideal conditions of 70°F 21°C; 50% humidity.

To touch: 10+ minutes

Ready to Sand: 30-40 minutes

Recoat: 1-2 hours

Be sure to allow adequate dry time. You can tell if a water-based finish is dry if it forms a powder when lightly sanded with a fine-grade (220-320) foam sanding pad or 400-grit sandpaper. If in doubt, wait longer. Rushing the dry time can cause "blush," which is clouding in the finish due to moisture trapped between the layers.

Increase dry time if:

Humidity is over 80%
Temperatures are cooler.
3+ coats are applied
Thick coats are applied
Applying over an existing sealed finish
Applying over products from other brands
Layering General Finishes water- and oil-based products:
- Water over oil: Let oil-based products dry 72+hr before applying water-based products
- Oil over water: Let water-based products dry 24+hr before applying oil-based products
To accelerate dry time in humid conditions, add General Finishes Accelerator and work in a space with good ventilation and air movement. If you decide to re-coat before the recommended time, test dryness.

Compliance with Air Regulations

Complies with the following air quality regulations:
SCAQMD, CARB, Canada, OTC Phase I & Phase II

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Water Based Finishes | General Finishes

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