Flooring & installation supplies for contractors, builders & every projectVirginia · Washington, D.C. · Maryland · 703-929-8455
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Product specifications

Product type
Self-leveling underlayment
Size
50 lb bag
Current product name
Platform NP
Base
Hybrid cement
Compressive strength
Over 1,200 psi at 24 h; 2,500 psi at 7 days; 5,000 psi at 28 days (ASTM C109M)
Placement time
20 minutes
Foot traffic
2–3 hours
Time to flooring
Breathable: 16 h per 1/4 in.; non-breathable: 24 h per 1/4 in.
Coverage
About 25 sq. ft. at 1/4 in. per 50 lb bag
Mixing water
4.75–5 qt per 50 lb bag
Thickness
Up to 3 in. in two lifts
Shelf life
12 months unopened
Skimflow · JF-11192

Skimflow NP Self-Leveling Underlayment 50 lb

50 lb bag · Floor prep & leveling

High-flow hybrid-cement self-leveling underlayment (now sold as Platform NP) for fast-track jobs over compromised substrates where shrinkage would cause problems. It needs minimal surface prep, takes foot traffic in 2–3 hours and reaches over 5,000 psi.

What it’s used for

  • Fast-track leveling over compromised substrates
  • Over concrete, gypsum and plywood or OSB
  • Over electric or hydronic radiant heat
  • Under vinyl, LVT, carpet, engineered wood and tile
  • Dry interior areas
REGULAR PRICE$30.84 / bag

Contractors and builders get trade pricing with an account. See trade accounts

Sold individually, priced per bag.
Minimum order: 1.

Availability: Confirm before ordering

1 bag$30.84

Estimated lead time: 1–2 weeks. Delivery to Virginia, Washington, D.C., and Maryland. We’ll reach out with a quote that includes shipping after you request an order.

Delivery, cancellations & damage policy