Engineered for comfort. Designed to last.

Lanalay™ Wool Underlay is a premium 100% New Zealand wool carpet underlay, proudly manufactured in Christchurch by Wool Technologies Ltd.
 It delivers exceptional comfort, superior insulation, and long-lasting performance — a natural alternative to synthetic and rubber underlays for luxury residential and commercial interiors.


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100% Wool carpet underlay

Why Lanalay outperforms synthetic underlays

Exceptional softness and resilience underfoot

Enjoy comfort that lasts — Lanalay retains its loft and cushioning even in high-traffic areas.

Excellent acoustic absorption

Naturally dense wool fibres reduce both impact and airborne sound.

Naturally fire resistant

Demonstrates low flame spread and smoke index under AS/NZS 1530 Part 3, with no chemical flame retardants.

Superior insulation performance

With a 3.65 TOG rating, Lanalay provides roughly 100% more thermal resistance than leading rubber underlays and 50% more than top foam options.

Non-toxic and naturally odour-absorbing

Keeps interiors fresh without added chemicals.

Renewable, recyclable, and biodegradable

Made from 100% natural NZ strong-wool, ethically sourced and traceable from grower to manufacture.

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Technical specifications

Property Specification Notes
Width 1.83 m Standard roll width
Length 10 m 18.3 m² coverage per roll
Thickness 11 m Consistent felt density
Thermal Resistance (TOG) 3.65 ≈ 100 % higher than best rubber; ≈ 50 % higher than best foam underlays (ref. CIAL test data 1993)
Composition 100 % natural NZ strong-wool
Treatments Insecticide treated Enhanced durability
Naturally fire resistant Naturally fire resistant Low flame spread & smoke index (AS/NZS 1530 Pt 3)
Acoustic Performance Excellent Measurable sound insulation improvement
Recyclable Excellent Fully recyclable at end of life
Origin Christchurch, New Zealand Manufactured by Wool Technologies Ltd

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Installation & care

  • Cut using a standard snap-off blade knife.
  • Install following Best Practice Guidelines – Carpet Floorcoverings Planning & Installation – 5.3.
  • Use 48mm paper tape on all joins.
  • On concrete floors, apply contact adhesive around the perimeter and under joins to secure.
  • Dispose of all packaging responsibly.


Supplied as double-bagged rolls for added protection during transport and storage.

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Testing & compliance

Lanalay is tested to, and compliant with, New Zealand and Australian carpet underlay standards:



  • AS4288
  • ISO9073-3
  • AS4111.1
  • AS4111.14
  • AS4111.2
  • ASTM C518-2021

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