OTTOSEAL P 300 - Teaserbild


The PU sealant for connection joints

1-component sealant based on polyurethane
For indoor and outdoor application
  • Can be painted over
  • Weatherproof
  • Durable and robust joint
  • Silicone-free
Technical datasheet

Product details

The PU sealant for connection joints OTTOSEAL® P 300 is very well-suited for different expansion and connection joints indoors and outdoors. Thanks to its good weathering and ageing resistance and paintability, OTTOSEAL® P 300 ensures a durable and robust sealing.

Fields of application

  • External joints according to DIN 18540-F
  • Expansion joints on prefabricated concrete and cellular concrete units
  • Sealing of façades, metal constructions, window and door connections, flat roof parapets


  • Silicone-free
  • Compatible with coatings according to DIN 52452
  • No interaction with existing and adjacent coatings
  • Can be painted and varnished – please observe application instruction in Technical Data Sheet
  • Optical adaptation and protective coating possible
  • Good weathering and ageing 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 and monitored according to DIN 18540-F (Süddeutsches Kunststoff-Zentrum, Würzburg, Germany)
  • Suitable for applications according to IVD instruction sheet no. 7+9+12+20+22+24+27+29+31+32+35 (IVD = German industry association sealants)
  • French VOC-emission class A+
  • Tested fire behaviour in accordance with EN 13501: class E
  • Classification according to building certification systems, see the sustainability data sheet

Colours & form of delivery

600 ml aluminium foil bag
concrete grey
Units per packaging unit 20
Pieces per pallet 880

No special colours possible.

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.

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