Siroflex Trade Strength Industrial Hand Held High Yield Expanding Foam. A one shot, high quality, polyurethane based expanding foam for professional use in general construction and home improvement applications. It expands up to 30 times its original volume and is quick drying.

• Contents: 700ml
• High Yield Expanding Foam
• Applicable with straw
• Filling - large, irregular or awkward gaps where the foam will expand to completely fill the cavity. Fixing - window frames, loose tiles and boards. Insulating - between brickwork and cladding, around ductwork and through cavities carrying pipes and cables. Backing – in low expanding joints; can be used as a backing material in all types of sealant applications.