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STOPGAP RED BAG is a floor smoothing compound suitable that delivers an excellent self-levelling solution to preparing sound absorbent subfloors prior to the installation of new floorcoverings, including LVTs. Flooring contractors use this compound in light to medium-duty internal applications, which includes biologically sensitive areas such as hospitals, thanks to its low-odour, protein-free formula. STOPGAP RED BAG’s design allows users to apply it over concrete, sand and cement screeds and other solid absorbent surfaces.
With a walk-on-hard time of just 3 hours, and the ability to receive floorcoverings from 24 hours (dependent on temperature), installers are able to complete projects with a quick turnover and a high-quality finish.
This floor smoothing compound also maintains excellent dimensional stability to ensure long-lasting performance and a smooth finish. It comes as a pre-blended, dry powder, requiring only the addition of water. It is designed for application thickness from 3 to 10mm and can be filled up to 15mm.
Being a water-mix smoothing compound, STOPGAP RED BAG does not require a bottle. This helps the flooring industry to product less plastic waste, supporting more sustainable flooring installation.
To see how STOPGAP RED BAG performs, read our case study showing its role in a successful LVT installation project.
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Walk on from 3hrs
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Lay floorcoverings from 24hrs
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Mix with Water
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3mm - 15mm application
- Light to medium-duty applications
- Self-smoothing properties
- Protein free
- Water mix
- Application thickness from 3-10mm
- Can be filled up to 15mm
- Low odour
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ISO 9001
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ISO 14001
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ISO 45001
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CE Marking
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UKAC
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EC1 PLUS
Stopgap Red Bag Overview Data sheets and Downloads
STOPGAP RED BAG AREAS OF USE
STOPGAP RED BAG floor smoothing compound is designed for application over concrete, sand/cement screeds and other solid absorbent surfaces.
Videos
How to mix and apply Stopgap Red Bag - Water-mix Smoothing Compound
STOPGAP RED BAG is a self-smoothing floor smoothing compound suitable for use in light to medium-duty internal applications for preparing sound absorbent subfloors prior to the installation of new floorcoverings. STOPGAP RED BAG is designed for application over concrete, sand/cement screeds and other solid absorbent surfaces.

Need help?
Should you require further information or advice regarding any F. Ball products, please contact the F. Ball technical service team on +44(0)1538 361633 or by e-mail: technical@f-ball.co.uk For the latest information on adhesive recommendations, please refer to the F. Ball Recommended Adhesives Guide