Soudafoam 1K, a one-component, self-expanding polyurethane foam manufactured by Soudal.
It is used for filling, sealing, and insulating gaps and cavities in construction and DIY projects.
The foam provides high thermal and acoustic insulation.
It has strong adhesion to most building materials, with the exception of PTFE, PE, and PP.
The product is available in a 750ml can and is applied using a straw adapter.