Soudal Soudaseal FR

Soudaseal FR is a high quality, single component joint sealant with high adhesive strength and excellent elasticity, fully tested to be fire-resistant, fire-retardant, and fire-rated according to several international standards. It has high performance mechanical properties and can be used even in adverse conditions.

  • Based on Soudal’s proprietary SMX hybrid polymer technology
  • Fire-rated up to 4 hours
  • Extremely high adhesive strength on most construction materials
  • Permanently elastic
  • Prevents the passage of smoke and gas through a joint

600 ml sausages, 12 sausages / carton


White, Grey

More Info


  • High bond strength on nearly all surfaces; Excellent adhesion on porous substrates
  • High performance mechanical properties
  • Flexible elastic rubber
  • Straightforward application even in adverse conditions
  • No bubble formation within sealant
  • Primerless adhesion on many substrates
  • Extremely resistant to water, weather, and UV
  • Overpaintable with all water based paints and many other systems
  • No staining of porous materials such as natural stone, granite, or marble
  • No isocyanates, no solvents, no acids

Suitable Substrates

Stone, Concrete, Marble, Granite, Limestone, Travertine, Cork, Rockwool, Gypsum board, Polystyrene, Glass, Mirror, Porcelain, Tiles, Brickwork, Steel, Stainless steel, Lead, Zinc, Copper, Aluminium, PVC, Polycarbonate, Wood, Timber, Plywood, MDF, Plasterboard, Fibreglass, and many more. Not suitable for PE, PP, and PTFE.


  • Expansion and connection joints in the building industry
  • Sealing of joints in prefabricated buildings
  • Movement joints in high rise constructions
  • Sealing between window and door frames
  • Flexible joints in marine applications
  • Flexible bonding in caravans and mobile structures
  • Exposed movement joints on all usual building substrates


  • CSTB report no RS03-007A, thermal isolation of 270 minutes in 30 mm joint
  • ODICE–ISO R834 at least 2 hours (10 and 30 mm joints)
  • Warrington: Assessment Report 139271 (BS476: Part 20: 1987)
  • Italy: R.E.I. CSI 1125 RF: 180 min (10 mm joint in 100 mm thick wall)
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