KemStop FR Flexi Sealant
Verified by manufacturer 5 months ago
A four hour fire rated sealant and adhesive.
Application
- For sealing joints, voids/irregular holes in walls, partitions and other structures.
- Provides primerless sealing and bonding on a wide range of substrates including ceramic, plaster, plastics, masonry, wood, stone and metals.
- Internal sealing around doors and windows.
- Sealing where air quality for health is important.
- Sanitary applications including showers.
- Sealing of gaps around fitted furniture and worktops.
- Sealing around flooring.
- Fire-resistant sealing.
- Radon-resistant sealing.
- Decorating caulking and sealing.
- Air and sound sealing.
Description
KemStop FR Flexi Sealant is a four hour fire rated sealant and adhesive. It is suitable for a wide variety of building trade applications including decorating, flooring, joinery, plumbing and tiling. This product is both a sealant and adhesive and free from dangerous emissions.
KemStop FR Flexi Sealant is also a non-reactive environmentally friendly chemistry that ensures compatibility with most building materials. It will move dynamically to accommodate the natural or unexpected movements of sealed/bonded joints within a building, for long-lasting performance.
Features and benefits:
- Primerless adhesion.
- Excellent adhesion to most common substrates.
- Dynamic for low and high modulus applications.
- Fast cure - max bond strength is attained in 24 hours.
- 3D joint movement capability minimum 25%.
- Can be used for all applications internally.
- Fire-rated up to 4 hours both integrity and insulation.
- Resistant against radon (radioactive particles).
- Recommended for use in joints up to 20 mm wide, larger joints widths can be accommodated.
- Excellent slump resistance.
- VOC free.
- Resistant to mould and mildew.
- Low dirt pick up.
- Non-staining on susceptible surfaces.
- Easy to apply and tool off.
- Excess can be wiped before curing with a damp cloth.
- Paintable, low shrinkage, does not yellow.
- Compatible with a wide range of substrates.
General information
Color | White |
Shape | Formless |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Uniclass | |
CAWS | P12/47 Sealant P12/390 Sealant |
Specification data - Intumescent firestop sealants
Material | Manufacturer guidanceReady to use thixotropic paste. |
Fire performance | |
Fire resistance | Up to class EI 240 when tested as part of a system.Guidance for specification option: KemStop FR Flexi Sealant maintains the integrity of a joint in a fire situation giving a minimum of 4 hours as long as the surrounding construction remains intact. Both the sealant and the backing material must be applied to a minimum depth to achieve the stated fire resistance. The type of backing material must be as specified. Consult the manufacturer's literature for details. |
Reaction to fire | Classification D-s2, d0. |
Colour | White. |
Radon gas resistance - Joints | Z = 2.9, 108 s/m (1.5 mm thickness). |
Sound insulation | Single sided seal ≥12 mm depth: 62 dB; Double sided seal ≥12 mm depth: >62 dB. |
Literature
KemStop Fire Rated Flexi Sealant Technical Data Sheet