JCP Grade B3 Hand Held Expanding Foam - 750ml

One part construction foam designed for filling irregular gaps.

• Gun-grade polyurethane expanding foam B3 rated expands up to 30 times its original volume.
• Quick-drying foam can be cut, sawn painted or plastered over once fully cured
• Great for rodent proofing around services entering the building or gaps in roofs
• Can be combined with copper Stuff Fit mesh to prevent gnawing
• Popular for filling small gaps and voids on buildings being used by pest birds