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Thermo Natur Thermo Hemp

Natureplus European Organisation for Technical Assessment (EOTA)
Natureplus European Organisation for Technical Assessment (EOTA)
Natureplus European Organisation for Technical Assessment (EOTA)
Natureplus European Organisation for Technical Assessment (EOTA)
Natureplus European Organisation for Technical Assessment (EOTA)
Stock code: TH40B
Stock code: TH60B
Stock code: TH80B
Stock code: TH100B
Stock code: TH140B

Thermo Natur Thermo Hemp

Natural flexible insulation made from hemp fibres

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  • Product Overview
  • Technical Details
  • Installation guide

Main purpose

Insulating buildings sustainably with safe, natural and breathable materials. Protecting from cold in winter and overheating in summer.

Use it on

Roofs, walls, ceilings and floors between rafters, joists and studs. Can also be used in lofts between and over ceiling joists.

Overview

Thermo Hemp is a natural insulation manufactured from fast-growing hemp in a very quick and environmentally sensitive process with no chemicals or pesticides. It is carbon negative and an ideal insulation for both new buildings and renovations (retrofit). It is entirely safe to handle with no safety precautions required, making it a simple and effective D.I.Y product, particularly as loft insulation or in timber frame constructions.

Where to use it

Thermo-Hemp can be installed between rafters and joists to insulate roofs, lofts, walls and floors. It is suitable for pitched roofs of any angle, flat roofs and internal or external timber frame stud walls. It is also a perfect solution for insulating suspended timber floors.

What it does

Thermo Hemp has extremely high thermal resistance and can absorb and release moisture without affecting thermal performance. Hemp fibres are capillary active, hygroscopic and highly absorbent which help regulate and manage humidity to prevent any damaging moisture from being trapped in the insulated space. Thermo Hemp is naturally mould resistant and contributes toward a healthy living environment for the building occupants.   

Thermo Hemp’s density of 38kg/m³ means it is flexible and light, so it remains stable anywhere it is installed. This ensures it won’t slump, fall out or compact when installed between vertical timber frame studs or in ceilings. Holding its shape, without compacting, ensures the thermal performance will not reduce over time. Thermo Hemp will also offer good sound proofing properties when used in these areas.

Thermo Hemp is a fantastic loft and roof insulation. It provides some of the best summer overheating protection possible due to its high heat storage capacity. When compared to mineral wool insulation, you would need less than half as much Hemp (220mm versus 450mm) to provide the same overheating protection benefit.

Why we love it

The Thermo Hemp manufacturing process uses 100% renewable energy and is zero carbon. As Hemp plants absorb 2 tons of CO2 per hectare when they grow, therefore Thermo-hemp is a carbon negative product and a perfect low impact building material for environmentally conscious designers and homeowners.

Thermo Hemp is a non-hazardous natural material that is perfect for self-builders and DIY enthusiasts.

The flexibility and spring of Thermo Hemp allows it to fill any space and stay in-place whatever the angle of wall, ceiling or roof.

Thermo-Hemp has been independently tested, verified and approved with European Technical Approval (ETA-05/0037).  It also has natureplus® certification proving its inclusion of the highest natural and safe standards.

Features


  • High performance natural thermal insulation.
  • Plant based, contains no harmful substances
  • Carbon negative insulation
  • Breathable
  • Mould resistant
  • All year-round cold and heat protection
  • Insect and rodent resistant
  • Fire resistant
  • Extremely durable

Benefits


  • Reduces home energy consumption to reduce heating bills.
  • Made from the hemp plant; a natural and renewable resource with no health hazards.
  • Carbon negative insulation produced using 100% renewable electricity.  All helps to reduce the carbon footprint of a build.
  • No worry of skin or respiratory irritation during installation. 
  • Allows moisture to evaporate, reducing risk of condensation and mould and improves indoor air quality.
  • Keeps you comfortable all year round by preventing summer overheating and keeping you warm in winter.
  • Lasts for decades due to the stable and tear resistant hemp fibres.
  • The raw material does not promote mould growth.
  • Hemp contains no nutrients/proteins to support insect life.
  • Contains fire-retardant (sodium bicarbonate, baking soda) for excellent fire. protection and complies with building regulations.

Questions

There are currently no questions and answers published for this product

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Technical Details

Key Technical Data

Yes
Interior side of external walls, Internal stud walls, Loft / roof spaces, Roofs, Suspended timber floors, Walls (timber frame)
1.2 m
0.040 W/mK
40 mm
Moisture management, Sound insulation, Thermal bridge prevention, Thermal insulation
375 mm
Brown
Lightweight construction, Prefabricated (off-site manufactured) timber frame, Timber frame
38 Kg/m³
E
2-5% soda as fire proofing, 8-10% bi-component fibres PE-based as binder, 85-90% hemp fibres
1-2 .
2300 J/kg K
30 kPa
4.2 kg/m²

Technical Datasheet

Certification

Declaration of Performance (DOP)

Brand/Manufacturer Brochure

Installation Guide

How to Install

The matt of insulation can be easily cut with a Hemp knife or similar large serrated knife.

Simply measure the space between the rafters or studs and cut a piece 2cm larger than you need. The insulation should then be squeezed into place. 

375mm wide Thermo Hemp can be compressed by up to 10mm without compromising the effectiveness of the insulation.

The friction between the insulation and the studs/rafters plus the spring of the hemp fibres mean the installation will stay in place without slumping or falling out.

Suspended timber floor with Thermo Hemp batts fitted between the joists, in between a layer of Solitex Plus and Pro Clima DA.
Suspended timber floor with Thermo Hemp batts fitted between the joists.

Hints & Tips

Thermo Hemp contains natural materials and is 100% safe to use without gloves, dust mask or protective safety equipment. A loft or attic is a dusty place, so we would still recommend wearing a dust mask when working; especially in locations where harmful fibreglass or mineral wool insulation has been previously installed.

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