NBS Source
I'm a manufacturer

Pyrolastic® Silicone

Verified by manufacturer 2 months ago

FSi Limited

Pyrolastic® Silicone is a fire-resistant silicone sealant.

Jump to:
+44 (0)1530 515130 Website

Application

Application / Use:

  • To reinstate fire resistance through rigid floors.
  • To reinstate fire resistance through rigid and flexible walls.
  • Linear construction joints.
  • Service penetrations.

Description

Pyrolastic® Silicone is a fire-resistant silicone sealant. It is

used to reinstate the fire resistance of wall and floor construction in linear joints and where apertures are penetrated by services. Pyrolastic® Silicone, once cured, is a permanently flexible silicone rubber.

General information

Color

White

Grey

Black

Material

Silicone

Guidance for specification option:

 One-part neutral curing silicone.

Shape

Formless

Uniclass

Pr_30_31_76_77 Silicone construction joint sealantsPrimary

CAWS

F30/610 Movement joints with sealant

F30/670 Head of non-loadbearing walls

F30/76 Movement joints with sealant

K10/125 Metal stud partition system

K10/15 Lining on timber

K10/155 Wall lining system (metal studs)

K10/165 Wall lining system (metal framing)

K10/175 Wall lining system (metal furrings)

K10/185 Wall lining system (adhesive)

K10/205 Lining on timber

K10/215 Suspended ceiling system

K10/220 Proprietary suspended ceiling system

K10/245 Ceiling lining on timber

K10/25 Ceiling lining on timber

K10/30 Metal stud

K10/35 Wall lining system (metal framing)

K10/41 Wall lining system (metal furrings)

K10/45 Wall lining system (adhesive)

M20/653 Sealant movement joints with stop bead edgings

P12/390 Sealant

P12/47 Sealant

P31/40 Sealing around services

P31/710 Sealing

Product range

Sealants

Specification data - Silicone construction joint sealants

Standard

To BS EN 1366-4:2006, BS EN 1026:2000, ASTM E84, ASTM E2923:14, BS EN 13501-2:2016, LEED 4.1; BS EN ISO 10140-2:2020.

Third party certification

CE Mark ETA-20/1001, UL-EU-01051-CPR, EC 1+, ENCG.R38118 UL-EU-01051-CPR; ISO 9001:11378.

Material

One-part neutral curing silicone.

Colour

White.

Grey.

Black.

Fire performance

To BS EN 1366-4:2006, Fire resistance tests for service installations.

Guidance for specification option:

Linear joint seals See UL-EU-01051-CPR for fire resistance performance.

Cure time

3 mm / 1 day (23°C/50% relative humidity).

Application temperature

+5°C to +35°C.

Guidance for specification option:

For unopened material, store in a well-ventilated, dry, cool environment. Recommended temp ranges +5°c - +35°c. Protect against exposure to direct sunlight. Always ensure that safe manual handling procedures are followed at all times.

Drying time

~ 10 minutes (23°C/50% relative humidity).

Acoustic performance

To BS EN ISO 10140-2:2020, up to 54 dB.

Joint movement

25%.

Density

1.38 g/cm³.

Shelf life

12 months.

Guidance for specification option:

If stored in accordance with storage conditions.

FlowResistanceRange

2 mm.

Shore A hardness

To ASTM D 2240, 25.

Chemical resistance

-

Manufacturer guidance

Not to be used where joints are to be constantly immersed in water. Do not use on substrates that are likely to release solvents, oils or plasticizers. Not resistant to strong acids, strong bases, oxidizing agents (i.e hydrogen peroxide), alcohols, hydrocarbon solvents.

VOC content

LEED 4.1 NC-2009 IEQc4.1.

Guidance for specification option:

Low-Emitting Materials—Adhesives and Sealants.

Contact technical.fsi.uk@etexgroup.com for details.

Air permeability

To BS EN 1026:2000, 600 Pa.

Guidance for specification option:

BS EN 1026:2000 Windows and doors. Air permeability Test method.

Tested at 600 Pa (contact technical.fsi.uk@etexgroup.com for details).