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CP 636
Application

  • Permanent firestopping of cables, cable trays, and non-combustible pipes in medium to large wall and floor openings.
  • Single, multiple and mixed penetrations.
  • Medium to large multiple penetrations in concrete and masonry in combination with other products.

Description

Fire resistant cement-based mortar with thermal insulating properties for fi re stopping medium to large openings.

Features/ Benefits:

  • Excellent application characteristics.
  • Easy to install with trowel or commercially available pumps thanks to adjustable consistency.
  • Fire resistance rating of up to four hours.

Applications:

  • Permanent firestopping of cables, cable trays, and non-combustible pipes in medium to large wall and floor openings.
  • Single, multiple and mixed penetrations.
  • Medium to large multiple penetrations in concrete and masonry in combination with other products.

Suitable substrates:

Concrete and masonry.

General information

Material

Water-based acrylic dispersion

Uniclass 2015

Pr_20_31_53_31 Fire-resisting mortarsPrimary

CAWS

P12/340 Intumescent mortar

P12/37 Intumescent mortar

Specification data - Fire-resisting mortars

Product Reference

CP 636

Standard product features

Material:

Water-based acrylic dispersion.

Colour:

Grey.

Fire resistance:

Up to four hours, dependent on substrate and application.

Technical properties:

  • Density: 700–900 kg/m³.
  • Acoustic performance: ≤59 dB.
  • Setting time (approximate): Ten hours.
  • Working time (approximate): 45 minutes.
  • Compressive strength (maximum): 2.9 N/mm² (28 days).
  • Application temperature: 5–40°C.
  • Temperature resistance: -10 to +80°C.
  • LEED VOC: 1 g/L.
  • Mould and mildew resistance (to BS EN ISO 846): Class 0.

Third party certifications
  • Loss Prevention Certification Board (LPCB): LPS 1132
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