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Stopgap F77 Liquid DPM 7/14KG 2-Part Moisture Barrier


Suitable for Underfloor Heating

F. Ball STOPGAP F77 is a high-performance, two-part epoxy waterproof surface membrane for controlling residual construction moisture and rising damp in concrete and cement screeds. Applied in a single coat, it can isolate moisture readings up to 98% RH and is suitable for underfloor heating screeds up to 90% RH. Rapid curing and solvent-free, it is ideal for fast-track residential and commercial flooring installations.



  • Product Code: F77
  • Availability: In Stock Delivery: 1-3 days
Ball

  • from £124.80/kit

  • Ex. VAT: from £104.00/kit

Available Options



Specification
Open time Approx. 30 Minutes
Type Two-Part Epoxy Waterproof Surface Membrane
Colour Black
Solvent Free Yes
Drying time Approx. 3 Hours at 20°C
Shelf Life 18 Months
Coverage 1.8–2.5 m²/kg
Suitable Subfloors Concrete & Sand/Cement Screeds
Size 7kg / 14kg
Installation
Application Method Notched Trowel / Roller
Underfloor heating Suitable
General info
Condition New
Est. delivery in 1-3 days
Categories: | Flooring Accessories | Adhesives & Primers |
Extras
1 order = 1 tree planted Shop now! madeofwood.uk/ecologi

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Frequently Asked Questions (FAQs)

How does Stopgap F77 help with quick project completion?
It enables faster progress by allowing earlier placement of floor finishes.
What type of barrier does this system provide against moisture?
It forms a durable layer that blocks moisture from affecting flooring materials.
How soon after application can flooring be installed?
Floor coverings can be fitted soon after the membrane has cured, speeding up work.
Is this product suitable for large commercial areas?
Yes, it's designed for demanding projects where time and reliability are key.
How is the Stopgap F77 applied on site?
It's mixed and spread in a single layer, making the process straightforward and fast.

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