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
NaturePro Sheep Wool Loft Insulation Natural products
Product options
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Information
- 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 | |
| 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 |
Timber Frame Wall Insulation – U-Value 0.16W/m2K.
| 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 |
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Email: sales@natureproinsulation.co.uk
Tel: +44 (0) 1925 860999
Fax: +44 (0) 1925 860066