Jointing foam FM310 year-round 2-in-1 illbruck 1-component fast-curing polyurethane foam for year-round use. The foam comes with illbruck's "2 in 1" valve where the bottle can be used by hand or by gun. Characteristics: - Expands in sub-zero temperatures - Little post-expansion - Resistant to rot, heat, water and many chemicals - Excellent adhesion to virtually all materials - Very good thermal and sound insulation properties