Self Leveling Compound
Stopgap self-levelling underlayments from the UK — rapid, smooth and dependable floor preparation.
A smooth foundation for every floor.
Self-levelling compounds create the dense, even base your finished floor needs — engineered for absorbent and non-absorbent subfloors, from feathered edges to heavy-duty wearing surfaces.
Heavy-Duty Floor Smoothing Underlayment
A rapid-hardening, water-mix smoothing underlayment for absorbent and non-absorbent interior subfloors in heavy-duty trafficked areas. Protein-free and suitable for biologically sensitive spaces; apply by pump or traditional mixing.
Self-Levelling Wearing Surface
A commercial and industrial-grade compound for upgrading and renovating internal floors. Protein-free and dimensionally stable, designed for 5–15mm; pump-applied up to 1000m² per day. Seal with Stopgap Seal where spillage is expected.
Self-Smoothing Underlayment
A water-mix, protein-free blend of sand, cement and organic polymers producing a smooth, dense surface. For foot and light wheeled traffic, over underfloor heating; 3–6mm and smoothable to a feathered edge.
Rapid Hardening
Water-mix formulas that harden quickly to keep your programme on track.
Protein-Free
Suitable for biologically sensitive areas and safe in occupied environments.
Pump or Hand
Excellent smoothing properties for mechanical pump or traditional mixing methods.
Start your subfloor right
A smooth foundation, expertly prepared.
Speak to our team about the right Stopgap compound for your substrate, thickness and programme.
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