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Thermafleece NatraHemp Insulation Slabs 70mm x 570mm - 16.42m2

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£172.46 Incl. VAT
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Product Description

Thermafleece NatraHemp is made using hemp, a low-impact plant that is suitable for insulation. Using hemp fibres grown in the UK, NatraHemp is an efficient, long-lasting and environmentally friendly alternative to traditional insulation. It is ideal for use in rafters, joists, and studs and it fits in securely whilst also providing a strong thermal insulation performance.

NatraHemp is completely harmless, so you wont need any protective clothing to install it, although it is recommended to wear a dust mask if working in an enclosed area, such as a loft. Unlike traditional loft roll insulation, NatraHemp wont irritate the eyes, skin or respiratory tract.

Features & Benefits: Thermafleece NatraHemp Insulation Slabs 70mm x 570mm - 16.42m2

  • Recyclable
  • Highly breathable
  • Made in the UK
  • Easy to install
  • High thermal performance

NatraHemp should be protected from long exposure to sunlight when unpacked and shouldnt be placed on wet ground. If not being installed immediately, please store under cover and clear of the ground. ThermaFleece NatraHemp can be used in conjunction with a vapour-permeable underlay in order to retain the benefits of water vapour, absorption and release.


Roofs: Loft and warm roof|Walls: Timber frame and solid wall|Floors: Suspended ground floor and between floors

Product Specification

  • Pack Size: 21.32m2
  • Thickness: 50mm
  • Length (per roll): 1200mm
  • Width (per roll): 370mm
  • Quantity per Pack: 48 rolls
  • Thermal Conductivity: 0.040 W/mk
  • Water Absorption (@100% RH): 17% w/w
  • Ignition point: > 500°C
  • Density: 25 kgm-3

Standards & Certification

  • Ultrawool is manufactured to ISO 9001

Please note:

  • Deliveries to the postcode prefix AB, IV, KW, PH, PA, HS, KA, ZE and to Northern Ireland and the Republic of Ireland may incur additional delivery charges.

Product Documents


WIDTH 570mm LENGTH 1200mm THICKNESS 70mm


Thermal Conductivity 0.040 W/mK Application Above Rafter
Between Rafter
Stud Walls
Product Type Slab Features Acoustic
Moisture Resistant
Fire Protection Self Extinguishing

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