Bulk Caulk Guns
Bulk caulk guns fill straight from a bucket or pail, so you can buy sealant in bulk and throw away fewer cartridges and foil packs. They suit glazing, commercial construction and other high-volume work, and they need cleaning after each use.
The 224 and 232 are square rod guns at 7:1 for silicone, acrylic and latex, holding 24 oz and 32 oz. The 624-GTS and 632-GTS come in the same two sizes with a 14:1 to 7:1 adjustable thrust ratio and the Gator Trigger grip, and they also load 10 oz and 20 oz cartridges; the 632-GTS takes 30 oz as well. For butyl, epoxy, mastic and polyurethane, the 924AL runs at 26:1. Read how to choose between cartridge, sausage and bulk guns and how to clean a bulk caulk gun.
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