Accessories

STOPGAP 300 HD

Heavy-Duty Floor Smoothing Underlayment

STOPGAP 300 is a fast drying self-levelling smoothing underlayment suitable for use in light to heavy-duty areas for preparing sound absorbent and non-absorbent subfloors prior to the installation of new floorcoverings.

Key benefits:

  • Excellent self-levelling properties
  • Application thickness from 2 – 15mm
  • Protein free

Location: Internal

Substrates: sand/ cement screed, concrete, epoxy and polyurethane resins, ceramic and waterproof surface membranes.

Floor Coverings: Vinyl, ceramic, Carpet and wood flooring

Application thickness:

  • 2- 15mm
  • Minimum of 4 mm before the installation of timber floors

Coverage: 5.0m2 at 3mm
Packaging: 25kg
Emicode: EMICODE EC1 Plus
Consumption: 1.67kg/m2
Mixing: 5.5L of water per bag
Working Time: 20 – 30 mins
Time to foot traffic: 90 mins
Ready to receive flooring: 6 – 12 hours
Application: Hand or pump application.

Floor Prep Calculator

Coverage may differ depending on the application method, substrate condition, and on-site factors.
The information provided below is intended solely as a guide.
For more detailed information, please consult the product datasheet.

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