Home > Companies > Siderise Group > SIDERISE Linear Gap Seal for Tops of Walls (formerly Lamatherm TW-GS)

Flexible, water resistant, intumescent linear gap seals that expand when exposed to heat. They provide a versatile means of sealing junctions between building elements against fire penetration.

The compressible foam core accommodates different joint widths to allow for structural movement whilst additionally meeting requirements for cold smoke seal, thermal and acoustic properties. Standard sizes are available to suit gaps up to 150 mm and to provide either a two or four hour fire rating to BS 476-20. The material can also be used as an effective, adaptable fire stop inside cable trunkings; allowing for the installation of further cables.

Standard product features

Material:

Open-cell flame retardant acoustic foam laminate with a graphite intumescent coating with binders.

Length:

1000 mm.

Colour:

Black.

Recommended minimum gap thickness:

5 mm.

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-55-75/375 Intumescent foam fillers

NBS Specification

NBS Buliding logo
This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

Siderise Group

Tel:

+44 (0)1656 730833

Product reference

[GS-FS120/10]
-
120 minutes fire rating. Size: 12 x 12 mm; suitable for gap sizes up to 10 mm.
[GS-FS120/20]
-
120 minutes fire rating. Size: 29 x 12 mm; suitable for gap size: 11–20 mm.
[GS-FS120/35]
-
120 minutes fire rating. Size: 53 x 20 mm; suitable for gap size: 21–35 mm.
[GS-FS120/50]
-
120 minutes fire rating. Size: 61 x 35 mm; suitable for gap size: 36–50 mm.
[GS-FS120/75]
-
120 minutes fire rating. Size: 90 x 50 mm; suitable for gap size: 51–75 mm.
[GS-FS120/100]
-
120 minutes fire rating. Size: 126 x 100 mm; suitable for gap size: 76–100 mm.
[GS-FS120/150]
-
120 minutes fire rating. Size: 170 x 100 mm; suitable for gap size: 101–150 mm.
[GS-FS240/10]
-
240 minutes fire rating. Size: 12 x 25 mm; suitable for gap size: up to 10 mm.
[GS-FS240/20]
-
240 minutes fire rating. Size: 29 x 25 mm; suitable for gap size: 11–20 mm.
[GS-FS240/35]
-
240 minutes fire rating. Size: 53 x 30 mm; suitable for gap size: 21–35 mm.
[GS-FS240/50]
-
240 minutes fire rating. Size: 64 x 50 mm; suitable for gap size: 36–50 mm.
[GS-FS240/75]
-
240 minutes fire rating. Size: 90 x 75 mm; suitable for gap size: 51–75 mm.
[GS-FS240/100]
-
240 minutes fire rating. Size: 126 x 125 mm; suitable for gap size: 76–100 mm.

Manufacturer details

Forge Industrial Estate,
Maesteg,
Bridgend,
Mid Glamorgan, CF34 0AY
Tel +44 (0)1656 730833
Fax +44 (0)1656 812509
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