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butt joint

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  • butt joint

    Doing a remodel job. I will need to add drywall to existing cathedral ceiling as it will be extended. Should I cut back into the old drywall to stagger the joints. I am concerned about a continuos butt joint up the whole length of the ceiling.What is the best practice

  • #2
    Re: butt joint

    Cut back the old drywall to 1/2 way between the rafters, then use plywood or better yet get the new "Rock Splicer". I just got a box of them today. The are the manufactured version of the hand made butt splicers (gives butts a recess).

    The company is the same that makes the EZ-BACKER AND BUTT HANGER (all the same consept, recess butts between the wood).

    I see they also have a line of automatic taping tools.


    auto taping tools


    • #3
      Re: butt joint

      Bob posted pic's of the Rock Splicer the the URL below

      drywall by invite


      • #4
        Re: butt joint

        You can cut back into the existing ceiling for the entire width. Snap a line on center between the end rafter on the old ceiling and the first rafter on the old ceiling. Attach any of the above mentioned backblocking devices end to end along the seam. Start hanging the new ceiling butting the new drywall to the old and attaching the seam to the backblockers. The seam will be strong and it will float the new ceiling into the old. The long butt seam will be recessed so it will be easy to hide.