Screeds
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F-Ball Stopgap P131 Floor Primer
Regular price£53.69 GBP per boxRegular priceSale price£53.69 GBP per box -
F-Ball Stopgap P141 Floor Primer
Regular price£56.85 GBP per boxRegular priceSale price£56.85 GBP per box -
F-Ball Stopgap Fill and Prime Floor Compound 6.6kg
Regular price£36.83 GBP per boxRegular priceSale price£36.83 GBP per box -
F-Ball Stopgap 400 Floor Repair Compound 10kg
Regular price£19.28 GBP per boxRegular priceSale price£19.28 GBP per box -
F-Ball Stopgap 500 Micro Floor Levelling Compound 8kg
Regular price£51.04 GBP per boxRegular priceSale price£51.04 GBP per box -
F-Ball Stopgap 1200 Pro Floor Levelling Compound 20kg + 5L
Regular price£36.80 GBP per boxRegular priceSale price£36.80 GBP per box -
UltraFloor Patch IT 10kg
Regular price£22.43 GBP per boxRegular priceSale price£22.43 GBP per box -
UltraFloor Feather IT 5kg
Regular price£22.68 GBP per boxRegular priceSale price£22.68 GBP per box -
UltraFloor Prime IT 5L
Regular price£51.20 GBP per boxRegular priceSale price£51.20 GBP per box -
Mapei Ultraplan Renovation Screed 3240 Fibre Reinforced Self Levelling Compound 25Kg
Regular price£33.82 GBP per boxRegular priceSale price£33.82 GBP per box -
Kerakoll Proflow Rapid – High-Performance Rapid-Setting Self-Levelling Compound (20kg)
Regular price£27.08 GBP per boxRegular priceSale price£27.08 GBP per box -
Kerakoll Proflow Trade – Professional Self-Levelling Compound (20kg)
Regular price£24.29 GBP per boxRegular priceSale price£24.29 GBP per box
Collection: Screeds
Floor Levelling Compounds: F-Ball Stopgap Range at Trade-Direct Prices
A flat, level, dry subfloor is the foundation of every successful floor installation. F-Ball Stopgap is the UK trade standard for floor levelling compounds, screeds, and primers. We stock the full Stopgap range at trade-direct prices.
The F-Ball Stopgap range
- F-Ball Stopgap 1200 Pro 20kg + 5L Bottle: professional-grade two-part levelling compound for subfloor smoothing prior to LVT, carpet, vinyl, or wood installation
- F-Ball Stopgap 500 Micro 8kg: thin-section levelling compound, 2mm minimum, for fine surface smoothing
- F-Ball Stopgap 400 Repair 10kg: localised concrete and screed repair compound
- F-Ball Stopgap Fill and Prime 6.6kg: combined fill + prime for small jobs
- F-Ball Stopgap P131 Primer: standard subfloor primer before levelling or adhesive application
- F-Ball Stopgap P141 Primer: heavy-duty primer for porous and challenging subfloors
- F-Ball Stopgap Mixing Bucket: dedicated bucket for accurate mixing ratios
When do I need floor levelling compound?
Almost every flooring installation needs some level of subfloor prep. Specifically:
- Concrete subfloor with dips or surface defects: Stopgap 1200 Pro
- Plywood or chipboard subfloor: Stopgap 500 Micro for fine smoothing
- Localised damage (cracks, holes, broken corners): Stopgap 400 Repair
- Before any glue-down LVT installation: subfloor must be primed (P131 or P141) + smoothed
Why subfloor prep matters
The visible bumps and dips in your subfloor will telegraph through LVT, laminate, and vinyl over time. A 1mm dip becomes a visible plank shadow. A 3mm bump becomes a wear point that fails first. Levelling compound flattens the subfloor before installation, extending floor life dramatically.
Coverage and mixing
Stopgap 1200 Pro: ~3kg per m² at 1mm depth. So a 20kg bag covers ~7m² at 1mm or ~3.5m² at 2mm. Mix per F-Ball instructions, pour and trowel within working time.
Trade-direct Stopgap pricing
Trade-direct prices on every F-Ball Stopgap product. Free UK delivery over £200.