Blaster PB Spray Penetrating Catalyst 11 Oz 16-PB-DS Item Name:Blaster PB Spray Penetrating Catalyst 11 Oz 16-PB-DS - (Box of 12) Save by the box: $6.76 ea both indoors and outdoors

both indoors and outdoors

Any oil or latex paint can be applied over it

Leak stopper is ideal for a variety of roof surfaces including Shingles

High solids formula

Blaster PB Spray Penetrating Catalyst 11 Oz 16-PB-DS Item Name:Blaster PB Spray Penetrating Catalyst 11 Oz 16-PB-DS - (Box of 12) Save by the box: $6.76 ea both indoors and outdoorsThe #1 selling penetrant since 1957, PB B'laster quickly busts loose rusted or frozen parts caused by rust and corrosion. It also contains a non evaporating lubricant that saves time and equipment and protects against further rust and corrosion. Permanently fixed clear straw Rugged and simple design Control Flow technology allows full, reduced or no flow Revolutionary valve sprays upside down Breaks free rusted or frozen parts Protects agains further