Shop the DEWALT TriggerFoam Pro Cleaner, 17 FL. OZ.. TriggerFoam Pro is a family of one-part polyurethane expanding foam used to seal and fill various types of building elements. Fire Block Formula blocks the spread of smoke and flame in Type V residential construction, Window & Door Formula uses a low pressure formulation that will not distort frames, All Season Formula extends the application temperature range down to 23 F, and Standard Formula is the general-purpose option. TriggerFoam Pro is dispensed through a gun that allows control of flow rate and bead size.
