Apparatus for applying joint compound

摘要: An apparatus for applying joint compound is externally powered, preferably using compressed air. The preferred has a hollow tubular storage body that connected to supply of air, and movable plunger positioned within the body. pair rubber seals contact inner wall A inserted into on side opposite can be exposed pressurized Pressurized air supplied by user against push out through mud head. applicator tip head either flat attachment or corner attachment. Alternatively, other attachments used such as texture gun attachment, fireproofing water cleaning