Sikafloor® WP-4.1
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Low VOC oil modified sanding sealer. A clear coating formulated and recommended for application to bare wood to seal it and provide a surface for the finish coats.
- Superior abrasion resistance
- Superior film hardness
- Deep penetration into wood
- Lightness in color
- 350 g/l VOC compliant
- MFMA Approved
Usage
New and existing wood sports floors in public and private schools, universities, professional arenas, and health clubs.Advantages
- Superior abrasion resistance
- Superior film hardness
- Deep penetration into wood
- Lightness in color
- 350 g/l VOC compliant
- MFMA Approved
Packaging
Product is available in 5-gallon (18.9 L) containers.
Product Details
APPROVALS / STANDARDS
MFMA TESTS:
| Sanding | Pass |
| Hardness | Pass |
| Abrasion Resistance | Pass |
| Flexibility | Pass |
| Coefficient of Friction | Pass |
| Maintenance | Pass |
Shelf Life
12 months in original unopened container under proper storage conditions.
Storage Conditions
Store dry between 40° - 90°F (5°- 32°C).
Volatile organic compound (VOC) content
348 g/L
Gloss level
(60°) 90+
Chemical Resistance
| Stain Resistance | Pass |
| Alcohol Resistance | Pass |
| Naphtha Resistance | Pass |
| Cola Resistance | Pass |
| Beer Resistance | Pass |
| Perspiration Resistance | Pass |
Application
Cure Time
As a bare wood seal: Recoat window 1 - 10 hrs. As a build coat: Recoat window 2 - 10 hrs. Adequate ventilation is imperative during the curing process. Dry times will vary based upon the drying conditions. Do not apply when temperature is above 95° F (35°C) or below 65° F (18°C), or when humidity is above 80%. Clean up with mineral spirits.
Coverage
Bare wood seal: 300-400 sq. ft/ gal.(28m2-37m2/ L)
Build coats: 400-500 sq. ft/ gal. (37m2-46.5m2/ L)
MIXING
DO NOT THIN OR REDUCE WITH SOLVENTS
APPLICATION
1. With a conventional lambswool or foam applicator or weighted T -bar applicator, seal the bare wood with Sikafloor WP-4.1.
2. Allow 2 - 4 hours dry with good ventilation for each coat.
3. Minimum of two coats of Sikafloor WP-4.1 is recommended.
4. Remove raised grain with a #120 grit screen, then tack with water.
5. Line marking paint can then be applied.
Line Marking
1. Before using paint every color should be tested for compatibility, not just brands.
2. Apply line markings between the second and third coats. Follow the directions on the paint label for application.
3. Lay out the court with masking tape as required and apply the paint.
4. To ensure crisp lines allow paint to dry 1-2 hours before pulling up the tape.
5. Allow the lines to dry per manufacturers directions.
6. Abrade the lines lightly with #120 grit screens.
Tooling & Finishing
Finish with two coats of varnish like: Finishing Sikafloor WP-8.1, Sikafloor WP-8.2, or Sikafloor WP-14
Finish with three coats of water based finish like: Sikafloor WP-36
CLEANING
In case of spill, eliminate all ignition and heat sources. Keep away from heat, sparks, sunlight, electrical equipment or flame. VAPORS MAY IGNITE AND EXPLODE. DO NOT SMOKE. Ventilate area. Open doors and windows. Wear chemical resistant gloves/goggles/clothing. In absence of proper ventilation use properly fitted NIOSH respirator. Confine spill, collect using noncombustible absorbent material and place in properly sealed container. Dispose of excess product in accordance with applicable local, state and federal regulations.