STOPGAP 1400 Bag & Bottle – High-Flow Floor Smoothing Compound
| File | Size | |
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| 1400_TechDataSheet_GB_May25.pdf | 411.75KB | Download |
STOPGAP 1400 – High-Flow Floor Smoothing Compound
Important: STOPGAP 1400 is a two-component system and must be mixed with STOPGAP 1400 Liquid.
Key Features
- High-flow, self-smoothing floor levelling compound
- Walkable from approximately 90 minutes
- Install most floorcoverings from approximately 12 hours
- Application thickness: 2–10mm
- Suitable for absorbent and non-absorbent internal subfloors
- Compatible with electric underfloor heating systems
- Low-odour and protein-free formulation
- Coverage: approximately 5.9m² at 2mm thickness
- Powder supplied in a 20kg bag
STOPGAP 1400 is a professional two-component, high-flow smoothing compound designed to create a smooth and level subfloor before installing LVT, vinyl, carpet and other floor coverings. Its excellent self-smoothing properties make application easier while helping flooring contractors achieve a consistent, high-quality finish with minimal additional preparation.
It can be applied over prepared concrete, sand and cement screeds, calcium sulphate screeds, terrazzo, ceramic tiles, sound asphalt, resin surfaces, minimal adhesive residues and STOPGAP waterproof surface membranes. The fast-setting system is suitable for domestic, commercial, new-build and refurbishment flooring projects.
Mixing and Coverage
Mix one 20kg bag of STOPGAP 1400 powder with 4.5 litres of STOPGAP 1400 Liquid. One complete mixed unit covers approximately 5.9m² at 2mm thickness, depending on the subfloor and application conditions.
Standard Shipping - 2 to 5 Working Days*
Express Delivery - 1 to 2 Working Days*
Pallet delivery - applied for products that are too large, like flooring machines, flooring materials, ETC.
Most products will be delivered via third party courier (Royal Mail, UPS, APC, DX), depending on the weight, size and product value.
Orders received by 12:00am are processed the same working day.
Your delivery charge will be displayed in the Shopping Cart page and Checkout prior to purchase.
Once the order has been dispatched you will be sent relevant tracking information.
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For Urgent Deliveries, please feel free to contact us prior to ordering.
*All delivery times are subject to availability.
Choosing the Right Product for Your Flooring Project
Every flooring project is different. Before ordering, consider the flooring material, the type of installation or preparation work involved, and whether the product is suitable for your intended application.
Check the Application
Review the product description and specifications to confirm that the product is designed for the task you are completing.
Check Compatibility
Check all relevant measurements, fittings, machine models, flooring types and material requirements before placing your order.
Consider What Else You Need
Some flooring jobs may require additional tools, blades, accessories, fixings, adhesives, safety equipment or preparation products.
Follow the Instructions
Always follow the manufacturer’s instructions and use the correct safety equipment when installing, operating or handling flooring products.
Need Help Choosing?
Unsure whether this product is right for your project? Our team can help you compare options and check product suitability before you order.



