Silverseal® Compound

Silverseal® Compound

Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type

FSi Limited

Single-part, gypsum based mortar material.

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Application

Covers even the most demanding of applications. Can be used as a pourable or trowel-grade mortar; ranging from a stiff to a pourable mix. Suitable for:

  • Cables and metallic pipes.
  • Rigid walls and floors of 150 mm minimum thickness.
  • Concrete slab openings.
  • Mixing and trowelling into a vertical opening, and working around services without slumping.
  • Casting into blocks for building into larger openings using a stiff mix of the same compound as bedding.

Shouldn’t be applied in temperatures above 35°C.

Can be mixed by mechanical paddle or manually to the required 100 mm thickness. Temporary shuttering is needed to support the wet weight of the compound.

Consult manufacturer to view performance data in different applications.

Description

Single-part, gypsum based mortar compound, used to reinstate the fire resistance performance of rigid wall and floor constructions where a rigid seal is required, and where they have been provided with apertures for the penetrations of multiple services. Supplied as a dry material, and is mixed with water to the required ratio prior to installation.

Features and benefits:

  • Self-supporting in a floor to spans of 700 mm (when mixed).
  • High strength and non-combustible, and has a good load bearing performance in floor seals.
  • Rapid setting.
  • Zero shrinkage formulation.
  • Provides gas-tight seals.
  • Smooth, even consistency (when mixed correctly).
  • Achieves maximum wet strength approximately four hours after casting.
  • Strong and resistant; the installation frame will be retained in the wall or floor if the ductwork should collapse, even when the HVAC (heating, ventilation and air conditioning) installation frame is not tied back to the structure.
  • BREEAM compliant around both single and multiple fire damper assemblies.
  • CE marked.

Applications:

Covers even the most demanding of applications. Can be used as a pourable or trowel-grade mortar; ranging from a stiff to a pourable mix. Suitable for:

  • Cables and metallic pipes.
  • Rigid walls and floors of 150 mm minimum thickness.
  • Concrete slab openings.
  • Mixing and trowelling into a vertical opening, and working around services without slumping.
  • Casting into blocks for building into larger openings using a stiff mix of the same compound as bedding.

Shouldn’t be applied in temperatures above 35°C.

Can be mixed by mechanical paddle or manually to the required 100 mm thickness. Temporary shuttering is needed to support the wet weight of the compound.

Consult manufacturer to view performance data in different applications.

General information

Uniclass 2015

Pr_20_31_53_31 Fire-resisting mortarsPrimary

CAWS

P12/342 Fire-resisting mortar

Specification data - Fire-resisting mortars

Product Reference

Silverseal® Compound (STD)

20 kg sack.

Standard product features

Colour:

Off-white.

Fire resistance (to EN 1366-3 and BS 476, part 20):

Up to EI 120, 240 minutes.

Reaction to fire (to EN 13501-1):

Class F.

Technical characteristics:

  • Setting time: 30–90 minutes.
  • Density: 850–950 kg/m³.
  • Loadbearing capacity (to BS 6399-1): 2.5 kN/m² (uniform distributed load).
  • Acoustic performance (EN 10140): 55 (-1;-6) dB at 100 mm (when used in conjunction with 50 mm Stopseal Batt – consult manufacturer for details).
  • Maximum unsupported span: 700 mm.
  • Thermal conductivity (K-value) at 100 mm: 0.21 W/m·K.
  • Thermal resistance (R-value) at 100 mm: 0.48 m²K/W.
  • Expansion on setting (%): 0.1.
  • Service and durability: Z1 (0–40°C) intended for use at internal conditions with high humidity (85%) in accordance with EOTA technical documents TR024, clause 3.12.

Literature
Third party certifications
  • Declaration of Performance: 1121-CPR-JA5066
  • 087 : Product Certification
  • ETA: 15-0281
  • UL-EU: 01025
  • UL: 1479
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