OTTOSEAL S 54 - Teaserbild


The fire protection silicone B1

1-component silicone sealant based on aminoxime MEKO-free
For indoor and outdoor application
  • B1 - hardly inflammable
  • Extremely elastic
  • Very good weather and UV resistance
  • Adherent to difficult surfaces
Technical datasheet

Product details

Fields of application

  • Connection joints for mastic asphalt
  • Bonding of EPDM/rubber profiles
  • Sealing of fire protection elements
  • Sealing of joints on difficult adhesive substrates, e. g. asphalt, tar etc. Please contact our technical service department for details.


  • Flame retardant - building material class B1 according to DIN 4102 and DIN EN ISO 4589
  • For special fire protection requirements
  • Excellent weathering, ageing and UV-resistance
  • For long-lasting indoor and outdoor applications

Standards and tests

  • Tested according to EN 15651 – Part 1: F EXT-INT CC 25 LM
  • Tested according to EN 15651 – Part 4: PW EXT-INT CC 25 LM
  • Tested according to DIN 4102-B1 – hardly inflammable between solid mineral building materials (wood research at the Munich Technical University)
  • Tested according to DIN EN ISO 4589-2:1999 Plastics - Definition of the fire-behaviour due to the oxygen index (Bodycote Warringtonfire)
  • Classification according to building certification systems, see the sustainability data sheet
  • Suitable for applications according to IVD instruction sheet no. 1+11+31+35 (IVD = German industry association sealants)
  • French VOC-emission class A+

Colours & form of delivery

310 ml cartridge
Units per packaging unit 20
Pieces per pallet 1200

Due to typographical reasons the colours shown below may differ from the original colours of the products.

Products, packaging Units and/or colours bearing order codes are available ex warehouse in standard commercial quantities.

Consumption calculator

Please note: This values are approximate and serve as a rough guide for rightangled joints. The depth of the joints is measured to the rear of the profile. Depending on the processing method, additional expenditure of up to 25% is possible.

Do you have questions about our OTTOSEAL® sealants?

Our application consultation is available Monday to Thursday from 8:00 a.m. to 4:00 p.m. and Friday from 8:00 a.m. to 2:00 p.m. and will be happy to receive your request.