Underfoot Carpet Underlay - 12mm - 15m²

Experience superior comfort and insulation with this 12mm thick luxury carpet underlay. Engineered...

Best current price£49.99from B&Q

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B&QB&Q - Carpet Underlay Soft 12mm Thick 15M² RollNoise Reducing Thermal Insulation Carpet Underlay
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The RangeUnderfoot Carpet Underlay 12Mm - Purple
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Product Information

Full details

The Underfoot 12mm Luxury Carpet Underlay is an ideal choice for homeowners looking to significantly increase the comfort, warmth, and quietness of their living spaces. Crafted from high-density PU foam, it provides a plush, cushioned foundation for carpets, effectively extending their lifespan while offering impressive thermal insulation and noise reduction. While the 12mm thickness provides superior luxury, installers should note that it may require adjustments to door clearances and specific gripper heights to ensure a perfect finish.

All features

Model Part Number1392463
BrandUnderfoot

Extended Product Information

FAQs

Can this underlay be used with underfloor heating?

While it has high thermal insulation, always check your underfloor heating system specifications. Very high tog ratings can sometimes trap heat; consult the heating manufacturer before installation.

How do I cut this material?

The PU foam is lightweight and can be easily trimmed to size using a sharp utility knife or heavy-duty scissors.

Is this suitable for stairs?

Yes, its durable PU foam construction provides the necessary support for stairs, though ensure you use high-quality carpet grippers for security.

What is the total coverage per roll?

Each roll provides 15.07m² of coverage.

Does this underlay help with cold drafts from floorboards?

Yes, with a 2.96 tog rating, it serves as an excellent thermal barrier against drafts from wooden subfloors.

Troubleshooting

Visible ridges or uneven floor feel

Ensure the subfloor is smooth and clear of debris before installation; check that underlay seams are taped flat and do not overlap.

Doors dragging over the carpet

The 12mm thickness may require professional trimming of the bottom of the doors or adjusting door hinges to provide proper clearance.

Pros and Cons

Pros

  • Significantly enhances the softness and comfort of carpets
  • High 39dB sound insulation rating for a quieter home environment
  • Excellent thermal properties help keep rooms warmer
  • Lightweight material makes it easier to cut and fit
  • Helps preserve carpet longevity by reducing pile crush

Cons

  • The 12mm profile may require trimming or raising internal doors
  • Not suitable for some heavy-duty commercial traffic areas
  • Requires careful installation to prevent movement on smooth subfloors

Setup, Compatibility & Care

  1. Subfloor Preparation: Ensure the floor is clean, dry, and level before rolling out the underlay.
  2. Installation: Lay the underlay foam-side up or as directed by the specific carpet manufacturer requirements; butt edges tightly together and secure with adhesive tape.
  3. Compatibility: Compatible with most carpet types, though users should ensure their chosen gripper rods are tall enough to accommodate the 12mm thickness.
  4. Maintenance: No special maintenance is required once installed under the carpet. Vacuuming your carpet regularly helps maintain the structure of the underlay by preventing excessive debris buildup beneath the pile.

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