OTTOSEAL P 720 - Teaserbild


The PU sealant for RAL assembly outside

1-component sealant based on polyurethane
For outdoor application
  • RAL assembly
  • Can be recoated
  • Durable and robust joint
  • Silicone-free
Technical datasheet

Product details

The special PU sealant for RAL assembly outdoors OTTOSEAL® P 720 meets the necessary requirements for RAL assembly directives with its product properties of “driving rain resistant” and “permeable to steam diffusion”. Together with OTTOSEAL® A 710 for indoor sealing, it forms a proven system for RAL assembly with sprayable sealants.

Fields of application

  • For window and door mounting OUTSIDE
  • Water permeable sealing of external joints between windows and construction parts resistant to driving rain to be used in combination with OTTOSEAL® A 710 (for the interior application)


  • Complies with the requirements of the RAL assembly guideline (e.g. high water vapour permeability)
  • Complies with tender requirements for component-tested systems and installations
  • 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
  • Cures without bubble formation
  • Suitable for optically demanding joints

Standards and tests

  • Tested according to EN 15651 – Part 1: F EXT-INT CC 25 LM
  • Tested according to "Air impermeability and driving rain resistance of joints between window and construction parts after simulated short-term strain" by the ift Rosenheim, Germany (institute for window techniques)
  • Suitable for applications according to IVD instruction sheet no. 9+12+24+27+31+35 (IVD = German industry association sealants)
  • French VOC-emission class A+
  • EMICODE® EC 1 Plus - very low emission
  • 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

310 ml aluminium cartridge 580 ml aluminium foil bag
concrete grey
P720-20-C56 on request
P720-20-C01 P720-08-C01
Units per packaging unit 20 20
Pieces per pallet 1200 600

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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