Boss 812 - Fireblock Gun Foam - 24oz - (Box of 12) estimatestart-2 and ceilings

and ceilings

allowing for a customized and secure feel

Cold curable

Teeth are heat tempered for longer life

Boss 812 - Fireblock Gun Foam - 24oz - (Box of 12) estimatestart-2 and ceilingsBoss 812 Fireblock Gun Foam is a one component polyurethane foam designed to fill and seal gaps, cracks, and penetrations in residential and commercial buildings. It helps prevent the spread of flames, smoke, and toxic gases by blocking air infiltration in concealed spaces, making it an essential fire safety product for code compliant construction. Product Features: Fireblocking Formulation: Helps impede the passage of fire, smoke, and gases through