Jointing with polyurethane foam. Fogning med polyuretanskum.

Reviews results of tests carried out during a joint industry/university project. Discusses characteristics of single and two-component foam, airtightness, condensation and safety regulations since polyurethane foam contains isocyanates. Diagram illustrates typical cross-section through window frame under normal conditions and when conditioned at 15 deg. C and 65% R.H.