Corksystem Laminate and Wood Flooring XPS Underlay - 9 Pack
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Product Information
Full details
The Corksystem 5mm high-density XPS underlay is designed for homeowners and contractors seeking a durable foundation for laminate or engineered wood flooring. This 9-pack set covers 45 square metres and offers superior thermal insulation and impact sound reduction compared to standard foam alternatives. While it provides excellent compressive resistance, users should ensure the subfloor is perfectly level before installation, as the 5mm thickness does not compensate for significant subfloor irregularities.
All features
| Model Part Number | CS-XPS-5MM-45M2 |
|---|---|
| Brand | Corksystem |
Extended Product Information
FAQs
Can I use this with solid wood flooring?
This underlay is optimized for laminate and engineered wood floors. Please consult your solid wood manufacturer's guidelines.
Does it require a separate vapor barrier?
No, this product includes an integrated moisture barrier to protect against damp subfloors.
What is the compressive resistance rating?
The product features a compressive resistance rating of 105 kPa.
How much area does this 9-pack cover?
The 9-pack provides coverage for a total of 45 square metres.
Is it safe for use with underfloor heating?
Yes, it is designed to be compatible with underfloor heating systems, allowing for efficient heat transfer.
How do I cut the material to size?
The material is lightweight and can be easily cut using a standard, sharp utility knife.
Troubleshooting
Underlay feels spongy underfoot
Ensure the subfloor is completely level. If the subfloor has depressions, use a self-levelling compound before laying the underlay.
Seams are shifting during installation
Use high-quality moisture-resistant joining tape to fix the sheets together so they do not move when you lay the floorboards.
Pros and Cons
Pros
- High compressive resistance protects floor joints
- Effective sound dampening properties
- Moisture barrier included for added protection
- Compatible with underfloor heating systems
- Covers a large area of 45 square metres
Cons
- Requires a level subfloor prior to laying
- Not intended for correcting significant floor dips
- Bulky packaging due to 9-pack volume
Setup, Compatibility & Care
To install, ensure your subfloor is clean, dry, and level. Unroll the underlay sheets edge-to-edge, ensuring the moisture barrier side faces the appropriate direction if specified by your floor manufacturer. Secure the seams using a moisture-resistant adhesive tape to maintain the integrity of the vapor barrier. This product is fully compatible with most laminate and engineered wood click-lock systems. For maintenance, keep the floor dry and avoid flooding the surface, as the underlay is protected by its own barrier but cannot prevent water damage to the wood planks themselves from above.