Bostik Stix A520 Tex Power Carpet Adhesive - 15kg - Cream
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Product Information
Full details
Bostik Stix A520 Tex Power is a high-performance, water-based SBR adhesive engineered for professional flooring contractors and serious DIYers looking to install a wide range of textile floor coverings. It offers an exceptional high-grab formula that secures carpet types like foam-backed, actionbac, and needlepunch with high final shear strength, though users should be mindful that it requires precise trowel application to ensure consistent coverage across the subfloor.
All features
| Colour | Cream |
|---|---|
| Model Part Number | A520 |
| Brand | Bostik |
Extended Product Information
FAQs
Can this adhesive be used on concrete floors?
Yes, it is fully compatible with concrete and sand/cement screed subfloors as long as they are dry and porous.
What is the recommended trowel size?
A 2mm notched trowel is recommended to ensure correct adhesive application and coverage.
Is it safe for underfloor heating?
Yes, it is compatible with warm water underfloor heating systems provided the surface temperature does not exceed +27°C.
How much area does one 15kg bucket cover?
One 15kg bucket provides coverage of up to 50m2, depending on the porosity of the subfloor and the application method.
Does this adhesive have a strong chemical smell?
No, it is formulated with very low VOC emissions for minimal odour.
Can I use this for non-woven felt carpets?
Yes, Stix A520 is specifically designed for various textile floor coverings including non-woven felt.
Troubleshooting
Adhesive is not gripping the carpet backing
Ensure the subfloor is absorbent and not sealed or contaminated; check that the open time was not exceeded.
Ridges show through the carpet surface
The adhesive was likely applied too thickly or with the wrong trowel size; always use a 2mm notched trowel.
Long drying time
High humidity or low room temperatures will slow the drying process. Ensure the area is well-ventilated and within standard temperature ranges.
Pros and Cons
Pros
- Excellent initial grab reduces carpet slippage
- Compatible with a wide variety of common subfloors
- Low VOC emissions for better indoor air quality
- Supports underfloor heating systems
- Short waiting time accelerates project timelines
Cons
- Requires specific notched trowel for optimal application
- Not suitable for non-porous or damp subfloors
- Large 15kg size may be excessive for very small patch repairs
Setup, Compatibility & Care
Before application, ensure your subfloor is prepared according to standard industry guidelines. The adhesive works best on absorbent substrates such as smoothing compounds, concrete, and wood-based boards like chipboard or hardboard.
- Prepare the subfloor by removing all dust, grease, and debris.
- Apply the adhesive using a 2mm notched trowel at an even rate.
- Allow a short open time for the adhesive to become tacky before laying the carpet.
- Roll the carpet thoroughly in both directions to ensure maximum contact.
Keep the container tightly sealed when not in use to prevent the adhesive from drying out, and store it in a cool, frost-free environment.