FSi Silverseal HS Compound is a gypsum based mortar material used to reinstate the fire resistance performance of floor and wall constructions where apertures exist for the penetrations of multiple services. Silverseal HS Compound, once cured has excellent load bearing capabilities and can be installed in large span openings.

Tested and Certified as part the FSi Fire Stopping range, Silverseal HS Compound can be installed across a variety services and substrates including:

• Rigid Floors
• Rigid Walls
• Multi-Service penetrations
• Blank Openings
• Head of Walls

Areas of Use include:

• To reinstate fire resistance through walls and floors
• Multi-Service penetrations
• Loadbearing seals
• Large Span openings
• Prevention of air leakage
• Maintains Acoustic performance
• Assumed working life 25 years
• For internal use

Quick Links - Click To Jump To Section:

• Features & Benefits
• Certification & Testing
• Technical Data
• Performance Data

Features & Benefits

• Large unsupported spans
• No shrinkage
• Easy to mix
• High strength and load bearing properties
• Versatile workability range
• Provides smoke seal
• Manufactured and tested alongside the entire FSi Fire Stopping range in the UK
• Rapid sealing, zero shrinkage formula on - can be used as pourable or trowel grade, gas tight seals
• Excellent workability ranging from stiff to pourable mix.
• Good load bearing performance in floor seals. (Consult our Technical Department for detailson 0113 2455450 (option 2) or send a message to [email protected])

Certification & Testing

• Testing in accordance with EN1366-3:2009 – Fire Resistance
• Classified in accordance with EN13501-2 – Fire Resistance
• CE Marked – ETA 15-0281
• ULEU Accreditation
• UAE Certificate of Compliance
• Tested in accordance with EN10140-2:2010 – Airborne Sound
• Tested in accordance with EN1026:2000 – Air Permeability

Technical Data

Performance Data

Please refer to the Product Data Sheet in the "Data Sheets" tab further above for information on the below areas:

• 150mm Rigid Floor

IMPORTANT FIRE PRODUCTS NOTICE: The information displayed on this website should be used as a guide ONLY and our Technical Department should be contacted to obtain a tailored specification and any advice necessary before you place an order for fire protection products. Fire protection products are non-returnable except in accordance with Condition 8 of the Terms and Conditions and should be applied only by an individual with the necessary expertise and experience. We will not be held liable for any resulting damage to property, human life or monetary costs incurred due to the incorrect specification you have prepared or use of fire protection products caused by your negligence, including your failure to have contacted us to obtain the relevant advice/specification.