Because of the Duravalve technology the optimal yield remains over the entire shelf life of the foam even when stored or transported in the lying down position. The Soudal B3 self-expanding polyurethane foam sealant can be cut, sanded, plastered and painted after full cure. Not UV resistant, cover once cured with sealant, paint or otherwise. Persons already sensitised to diisocyanates may develop allergic reactions when using this product. Single component Gun Grade foam with rapid curing and primerless adhesion on most construction materials. Soudafoam SWS is self-expanding ready to use polyurethane foam with very good elastic properties, which allow the foam to follow the movement of the joint

Recommended for all A, A+ and A++ windows and doors or any applications where an airtight seal is required. Moisture curing, self-expanding polyurethane foam by Soudal adheres to all common building materials and is resistant to water, heat and ageing. This foam sealant offers excellent sound and heat insulation values. All the benefits of normal foam but has the added benefits of being airtight themal energy saving flexible window and door expanding foam with high acoustic properties.H222 Extremely flammable aerosol.H229 Pressurised container: may burst if heated.H351 Suspected of causing cancer.H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled.H317 May cause an allergic skin reaction.H332 Harmful if inhaled.H373 May cause damage to organs through prolonged or repeated exposure.H315 Causes skin irritation.H319 Causes serious eye irritation.H335 May cause respiratory irritation. This product should not be used under conditions of poor ventilation unless a protective mask with an appropriate gas filter