
Underlay
Moisture Barrier Underlay
Art.nr ACC-UNDERLAY-03
Built-in vapour barrier for rooms with higher humidity, like kitchens or basements. It stops moisture rising out of a concrete slab into the boards, which is the quiet cause behind most cupping and gapping.
Specifications
Product Facts
Product Facts
| Material | Cross-linked PE foam |
| Size | 1.1 × 15 m roll |
| Weight | 4.8 kg / roll |
Usage & Compatibility
| Suitable for | Floating floor installations |
Shelf Life & Warranty
| Shelf life | No expiry |
| Warranty | 10 years |
Safety Information
Safety Information
Ingredients
Cross-linked polyethylene (PE) foam, closed-cell. No adhesives or blowing agents classified as hazardous.
Safety data sheets
Product Safety Note - Underlay (en)How to Use
Getting the Best Results
Built-in vapour barrier for rooms with higher humidity, like kitchens or basements. It stops moisture rising out of a concrete slab into the boards, which is the quiet cause behind most cupping and gapping.
01
Prep the subfloor
Make sure the subfloor is clean, dry and flat before rolling out.
02
Roll it out
Unroll across the room, butting edges together without overlapping.
03
Trim & tape
Trim to size at the walls and tape seams so the underlay stays flat while installing.
Downloads
Images & Files
Instructions, safety information and documentation for this accessory.
FAQ
Frequently Asked Questions
Tap a question to read more.
Will this accessory work with any Kährs floor?
Most cleaning and care accessories suit every floor type, but a few items (like floor polish) are only meant for lacquered floors. Check the "Suitable For" line under Product Details before using it.
How long does delivery usually take?
Accessory orders typically arrive within 2-4 business days. Orders over 2.000.000₫ ship free.
Can I return it if it's not what I needed?
Yes - every accessory can be returned within 30 days as long as it's unused and in its original packaging.







