CP 638 HS FS

Application

  • Cables and cable trays.
  • Combustible pipes.
  • Non-combustible pipes.
  • Ductwork dampers.
  • Suitable for unreinforced spans up to 1600 mm.

Description

Fire resistant gypsum based mortar with thermal insulating and acoustic properties for sealing medium to large sized openings where further penetrations may be required.

Features/ Benefits:

  • Quick setting.
  • Expands when set to provide smoke seal.
  • Good adhesion to steel, concrete and masonry.
  • Can be mixed to various consistencies, from pourable to trowelable.
  • Fire resistance rating of up to four hours.

Applications:

  • Cables and cable trays.
  • Combustible pipes.
  • Non-combustible pipes.
  • Ductwork dampers.
  • Suitable for unreinforced spans up to 1600 mm.

Suitable substrates:

Concrete, aerated concrete and masonry.

General information

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 638 HS FS

Standard product features

Colour:

Grey.

Fire resistance:

Up to four hours, dependent on substrate and application.

Technical properties:

  • Density: 1500–1700 kg/m³.
  • Setting time (approximate): 20 minutes.
  • Working time (approximate): 10 minutes.
  • Compressive strength (maximum): 8–12.5 N/mm² (24 hours).
  • Expansion on setting (approximate):0.08%.
  • Application temperature: 5-45°C.
  • Temperature resistance: -20 to +100°C.

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