F. Ball Stopgap Barrier Foam 15 x 15mm – 25 x 1 Metre Self-Adhesive Strips
F. Ball Stopgap Barrier Foam 15 x 15mm – 25 x 1 Metre Self-Adhesive Strips
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F. Ball Stopgap Barrier Foam 15 x 15mm – 25 x 1 Metre Self-Adhesive Strips
F. Ball Stopgap Barrier Foam is a self-adhesive foam strip designed to prevent smoothing and levelling compounds from flowing into unwanted areas during subfloor preparation.
It provides a quick and convenient alternative to pinned timber battens and is particularly useful around doorways, room openings, perimeter details and other areas where the levelling compound needs to be contained.
Each box contains 25 individual 1 metre lengths, providing a total of 25 linear metres. Each foam strip measures 15mm x 15mm.
Why Choose F. Ball Stopgap Barrier Foam?
- Prevents levelling compounds flowing into unwanted areas.
- Self-adhesive backing for quick installation.
- Convenient alternative to pinned timber battens.
- Ideal for doorways, openings and perimeter details.
- Easy to cut and position.
- Helps create clean and controlled stopping points.
- Suitable for professional subfloor preparation work.
- Supplied as 25 individual 1 metre strips.
Typical Uses
- Containing smoothing compounds at doorways.
- Preventing levelling compound entering adjoining rooms.
- Creating temporary stopping points around floor openings.
- Containing compounds around perimeter details.
- Forming temporary barriers during subfloor preparation.
- Using as an alternative to pinned-down timber battens.
Technical Specifications
| Product | F. Ball Stopgap Barrier Foam |
|---|---|
| Strip Size | 15mm x 15mm |
| Individual Length | 1 metre |
| Pack Quantity | 25 individual lengths |
| Total Length | 25 linear metres |
| Fixing Method | Self-adhesive backing |
| Application | Containment barrier for smoothing and levelling compounds |
How to Use Stopgap Barrier Foam
1. Prepare the Surface
Make sure the surface is clean, sound and free from dust, loose material, oil or other contamination that could prevent the self-adhesive backing from bonding correctly.
2. Measure and Cut
Measure the area where the levelling compound needs to stop and cut the foam strip to the required length.
3. Remove the Backing
Peel away the protective backing from the self-adhesive side of the foam.
4. Position the Foam
Press the strip firmly into position, making sure there are no gaps where smoothing compound could escape.
5. Apply the Levelling Compound
Once the foam is securely fixed, mix and apply the selected smoothing compound in accordance with the manufacturer's instructions.
6. Remove or Trim as Required
After the smoothing compound has set, remove or trim the barrier foam where required for the next stage of the installation.
Complete Your F. Ball Stopgap Preparation System
Stopgap Barrier Foam is designed to be used alongside professional subfloor preparation products and application tools.
- Browse our full range of F. Ball Stopgap levelling compounds.
- Choose the correct product from our F. Ball levelling compound primers.
- For moisture control, browse our subfloor primers and liquid DPMs.
- Find mixing paddles, rollers, trowels and other equipment in our floor preparation and levelling tools collection.
Recommended Stopgap Products
Stopgap 700 Superflex
A flexible, fibre-reinforced smoothing compound developed for plywood, timber and other demanding subfloors.
View Stopgap 700 Superflex
Stopgap 1200 Pro
A fast-setting two-component smoothing compound suitable for many refurbishment projects and prepared adhesive residues.
View Stopgap 1200 Pro
Stopgap P131 Primer
A versatile neoprene emulsion primer used before compatible Stopgap smoothing compounds on suitable absorbent and non-absorbent subfloors.
View Stopgap P131 Primer
Stopgap P141 Primer
A textured acrylic primer designed to promote adhesion of Stopgap compounds to suitable non-absorbent surfaces and waterproof membranes.
View Stopgap P141 Primer
Important Information
- Ensure the foam is firmly adhered before pouring smoothing compound.
- Seal adjoining strips carefully to prevent leakage.
- Do not use on dusty, weak or contaminated surfaces.
- Barrier Foam is intended as a containment aid during floor preparation.
- It is not a permanent structural expansion joint.
- Always follow the instructions for the primer, DPM and smoothing compound being used.
F. Ball lists Stopgap Barrier Foam in 15mm x 15mm and 30mm x 30mm sizes, with each strip supplied in 1 metre lengths. Always check the packaging before use and follow the latest F. Ball product guidance.
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