PU28 Thatch Fire Barrier          Thatch Fire Barrier - PU28           PU28 Thatch Fire Barrier


PU28 Thatch Fire Barrier, 1.3m x 50m, 500.00 per roll + haulage, no VAT.
Haulage is 50 for the first roll, or part roll. Additional rolls at 40 per roll, or part roll, delivered to same address.
Rolls can be split, for specific lengths, at 11 per metre.

When a thatched roof is stripped down to rafters, or on 'new build', the recommendation is the installation of PU28 Thatch Fire Barrier.


PU 28 is a medium weight fiber glass fabric with a specially formulated aluminum pigmented and fire retardant polymer which provides a heat reflecting surface as well as other properties for the manufacturing of smoke and fire curtains, blinds, cavity wall fire barriers and other types of smoke and fire control systems. As opposed to a rigid fire-board, the material is flexible and will follow the contours of an old roof structure. The material is halogen free, has an improved resistance to hydrolysis (waterproof & breathable) and offers a more rigid handle, it will not rip easily.
With a Class 0 fire resistance rating and satisfying BS 476 Part 6: 1989, Part 7 1997, it is acceptable, where required, for Building Regulations.

As an incentive to use this product, 'Thatch Fire Barrier' is,  for a limited time, offering to supply this to thatchers, builders, or individual home-owners, at a very reduced rate.
1.3m x 50m   -   500.00 per roll + haulage. There is no VAT to add on to this price, which makes it of great interest to non VAT registered thatchers, builders and home-owners.
This product and website is recommended and endorsed by, amongst others, www.thatch.net , www.eamta.co.uk , www.dmthatching.co.uk , www.thatchingandbuilding.co.uk .
For further information and to order, please click contact.

The PU28 thatch fire barrier fabric is fixed on top of the rafters. Strips can be laid vertically, to overlap & secure on a rafter, to create a total fire seal, or can be laid horizontally. If the strips are laid horizontally, it is essential to create a total fire seal and have no sagging between the rafters.
Lay the fabric with a 100mm overlap, fold back to give a 50mm up stand -

Staple this together with 8mm staples at 500mm spacing. The join is then folded back on itself 25mm to give a continuous seal.

This fold then has a second run of staples at 100mm spacing to create the total fire seal.
As the thatching requires the ability to fix into the rafters, a counter batten is then fixed to the vertical line of each rafter. By then fixing horizontal battens, an air gap ,beneath the thatch, of about 50 mm is created.



410g Double Sided PU Coated
Product Description: Woven Glassfibre coated both sides with PU (Grey) at 20g/m per side
Weave: Satin
Weight: 430g/m
Thickness: 0.35mm
Total Weight: 470g/m
Total Thickness: 0.45mm
Standard Roll Length: 50Lm
Standard Roll Width: 1300mm

Yarns:                        WARP                                     EC9 136 TEX
                                   WEFT                                      EC9 136 TEX
Count:                        19/cm x 11/cm

Thermal Specifications: -
Max cont operating temp                               450c - 500c
Finish decomposition                                     180c

Technical Data

Base Fabric                                                                         Tolerance         Test Methods
Yarn                                         Warp EC9 -136                   + 5%                 DIN EN 12654
                                                 Weft EC9 -136
Thread Count
                         Warp 18.6 per 1 cm              + 5%                DIN EN 1049
                                                 Weft 11.0 per 1 cm
Tensile Strength                         Warp 1080 N/cm                                           DIN EN 12654
                                                 Weft 640 N/cm
Weight                                      415 g/m2                               + 5%                DIN EN 12127
Weave                                      4 Shaft Satin                                                   DIN ISO 9354
Coated Fabric                         Coating Fire retardant grey polyurethane with added aluminum
                                                 pigment on both sides
Weight                                      455 g/m2                              + 10%               DIN EN 12127
Thickness                                  0.40 mm                               + 10%               DIN ISO 4603/E
Tensile Strength                         Warp 650 N/cm                      min.                 DIN ISO 4606
                                                 Weft 580 N/cm                       min.
Thermal Conductivity                 0.1011 W / m K                                             DIN 52612 1 / 2
Thermal Resistance                    0.0046 m K / W                                            DIN 52612 1 / 2
Temperature Resistance             -36 to 150 C                      Tolerates 180 C for short periods
                                                                         Glass fibre fabric maintains integrity up to 600 C
Approvals                                  Class 0                                     BS 476 Part 6: 1989, Part 7 1997
                                                  See BG Nr. 119.122 MO Res A.653 FTP Code Annex 1, Part 2
                                                  BS 476 Part 20 & 22

Changes, that will serve the technical performance, can be added without prior notice. This technical data is based on our present knowledge and only for information.

All statements, technical information and recommendations offered are only for consideration and evaluation.  Whilst they are believed to be accurate they are not guaranteed and are provided without warranty of any kind.  The user shall determine the suitability of a product for his particular purpose and shall assume all risks and liabilities in connection therewith.


Please contact 'Thatch Fire Barrier' by any of the following methods :-

Email :- enquiries@thatch-fire-barrier.co.uk

Telephone :-  01379 783457

By Post :-  

Thatch Fire Barrier,
Green Farm,
Burgate Great Green,
IP22 1QL


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