Wakol PU 280 Moisture Barrier is a premium moisture barrier for "green" concrete slabs and offers two levels of moisture protection: One coat will block moisture up to 12 lbs. / 1000 sq.ft. / 24 hours or up to 90 % rH (ASTM F 2170-02). Two coats will block moisture up to 18 lbs. / 1000 sq.ft. / 24 hours or up to 98 % rH (ASTM F 2170-02).
No moisture test required: The concrete must be surface dry, at least 28 days old and must have an intact waterproofing membrane beneath the slab. Wakol PU 280 Moisture Barrier may be used on radiant heated floors up to 6 lbs. / 1000 sq.ft. / 24 hours or up to 85 % rH (ASTM F 2170-02) prior to laying wood flooring.
- No mixing required
- No waste
- Fast curing
- Easy to apply
- Excellent coverage
VOC content: 0 g/l US regulatory
Cleaning agent: mineral spirits before primer cures
Climate conditions at work site: 60 °F / 15 °C to 75 °F / 24 °C, 40 % to 75 % relative humidity
Application: use Loba microfibre roller # 60–80 or # 120
Coverages: approx. 400 sq.ft./gal per coat
Curing time: approx. 45 minutes
Shelf life: 1 year in unopened container at 70 °F / 21 °C
Base: polyurethane resin