Nature Pro Natural Fibre Insulation sheep's wool insulation hemp insulation wood fibre insulation

NaturePro Sheep Wool Loft Insulation Natural products

NaturePRO Sheep’s Wool is a high performance sustainable insulation material made from a wool-rich blend of natural sheep fibres and recycled plastic bottles using British fleeces. It provides optimum performance in terms of sustainability, thermal performance, breathability and moisture control. It also has the ability to recover after compression. It is available
as a rigid batt for use in between timber studs and rafters and as a roll for use in lofts

Information


Application
  • Can be used for roofs, walls and floors
  • Cut to shape with a sharp blade
  • No irritating fibres
  • Preferably used in conjunction with a
  • vapour permeable membrane

Benefits

  • Good thermal insulation properties
  • Obtained from a renewable resource
  • Helps to reduce condensation by absorbing and releasing moisture
  • Easy and safe to install with no irritating fibres
  • Easily recyclable
  • Sustainable, re-newable, natural resource

Dimensions

  • 100mm x 575mm x 6m
  • 100mm x 375mm x 6m
  • 150mm x 575mm x 4m
  • 150mm x 375mm x 4m

Properties

  • K value 0.040 W/mK
  • Water absorption at 100%RH 40%
  • Resistant to mould and insects
  • Flame resistance BS 5803 Part 4 sections 2 and 3
  • Good sound absorbing properties
  • Thermally bonded to maintain stability
  • Zero GWP

Timber Frame Guide

Timber Frame Wall Insulation - U-Value 0.18W/m2K



Diagram Name Thickness
(mm)
Lambda
(W/mk)
R
(m2k/W)
Rse       0.04
1 - BS EN 12524 Timber cladding on battens 20 0.130 0.15
2 - BS EN ISO 6946 Slightly vented air layer
25mm
25 0.278 0.09
3 NaturePro wood fibre
sarking/sheathing board
100 0.049 2.04
4 - Inhomogeneous
material layer
Consisting of: 140 0.053 2.62
4a Sheeps Wool 85.00% 0.039 -
4b - BS EN 12524 Softwood timber
(500kg/m3)
15.00% 0.130 -
5 - BS EN 12524 Orientated Strand Board
(OSB)
9 0.130 0.82
6 - Inhomogeneous
material layer
Consisting of: 25 0.138 0.18
6a - BS EN 12524 Unventillated air layer
25mm
91.00% 0.139 -
6b - BS EN ISO 6946 Softwood Timber
500kg/m3
09.00% 0.130 -
7 - Knauf Drywall Knauf Wallboard 10 0.160 0.06
RSi       0.13
 90/140mm timber stud @ 600 centres with 15% bridging

Timber Frame Wall Insulation – U-Value 0.16W/m2K.

Image showing naturepro sheeps wool insulation batts with naturepro wood fibre sheathing board on a new build timber frame external wall.

Diagram Name Thickness
(mm)
Lambda
(W/mk)
R
(m2k/W)
Rse       0.04
1 - BS EN 12524 Render, Lime and sand 5 0.800 0.01
2 NaturePro wood fibre
External board
52 0.049 1.06
3 - Inhomogeneous
material layer
Consisting of: 140 0.053 2.62
3a Sheeps wool 85.00% 0.039 -
3b - BS EN 12524 Softwood timber
(500kg/m3)
85.00% 0.039 -
4 NaturePro wood fibre
Square edge board
40 0.049 0.82
5 NaturePro wood fibre
Square edge board
60 0.049 0.22
6 Plaster 3 0.800 0.01
RSi       0.13

 

 

natural-sheep-wool-insulation-Uval18

Privacy Policy
Terms and Conditions
A SIG plc Company

© Copyright NatureProInsulation

Email: sales@natureproinsulation.co.uk
Tel: +44 (0) 1925 860999
Fax: +44 (0) 1925 860066