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Application

Joints in compartment walls and floors, gaps between frames and structures at junctions of different materials.


- Suitable substrates:

  • Masonry to masonry.
  • Masonry to timber.
  • Masonry to steel.


Description

Single-part alkoxy-based fire resistant, elastomeric, neutral cure silicone sealant, providing up to four hours fire protection at internal and external building gaps and movement joints.


Features and benefits:

  • CE marked.
  • Tested in accordance with BS EN 1366-4 and ETAG 026. 
  • Fully tested for up to 240 minutes' joint fire resistance.
  • Suitable for gaps up to 50 mm wide.
  • Certified 3rd party accreditation.
  • Air pressure tested up to 600 Pa.
  • UV and weather resistant.
  • Excellent tooling and very elastomeric.
  • Neutral cure silicone sealant.
  • 90% Elastic recovery 

General information

Color

Grey

White

Black

Material

Silicone

Warranty description

50 year

Uniclass

Pr_30_31_76_77 Silicone construction joint sealantsPrimary

CAWS

P12/390 Sealants

P12/47 Sealants

Product range

Fire Resistant Sealants

Specification data - Silicone construction joint sealants

Classification data

Material

Neutral silicone.

Colour

Grey.
White.
Black.

Guidance for specification option:

Available on request.

Fire performance

Up to four hours.

Guidance for specification option:

Fire resistance (to BS EN 1366-4).

Product Reference

Nullifire FS703 Fire Resistant Silicone Sealant

Air permeability

Air tight up to 600 Pa.

Guidance for specification option:

(to BS EN 1046).

Specific gravity

1.39.

Shore A hardness

24.

Guidance for specification option:

(to ISO 868).

Drying time

30–40 minutes.

Guidance for specification option:

Touch dry (at 23°C, 50% RH).

Cure time

1–2 mm/ day.

Guidance for specification option:

Cure through time (at 23°C, 50% RH): 1–2 mm/ day.

TensileStrength

0.5 N/mm2.

Guidance for specification option:

 (to ISO 8339).

Service temperature range

-40 to +150°C.

Sustainability data

Material

Silicone

BIM objects

BOS

NBS BIM Object Standard

This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.

Find out more about the NBS BIM Object Standard.

Platform Compatible Version
Revit
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1

IFC
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1