“flat taping” – a reference to a drywall finish technique, apparently used in a circumstance where you have to finish right up close to an adjacent surface that should not get any mud or paint on it. I need to know about this, what is involved and how it’s done, as I have a lot of drywall surface butting up to raw timbers in my house and need to protect the timbers.
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flat tapeing is what you describe... where drywall meets a non drywall surface... and it is just what it sounds like... the paper tape is finished right up to the edge....
now the proble with doing it next to big timber is... the timber moves with the weather and all different materials contract & expand at different rates so you will get a crack at the meeting point... you have a few options... wood trim at the joint so that the drywall "floats" behind it, a groove cut into the timber for the end of the drywall to inset into, applied J track for the drywall to fit into at the joint... If it's somewhere where i'm not real concerned about the crack that will be there... i staple brown masking paper up before the drywall left them flat tape and finish to the paper and then cut away the excess paper after painting so as to protect the timber the whole time... you can leave the drywall 1/4" off the timber and gasket it with round backing rod then caulk or not.... many options... all depends on the finsh you want...
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TRY TRIM-TEX THEY MAKE ALL KIND OF PLASTIC BEAD MAYBE TEAR AWAY AND LEAVE IT ABOUT A 1/8" AWAY FROM THE TIMBER AND CAULK.
You might want to look into a product called "tear-away bead". It's shaped like the letter F, and made of plastic.
Picture the timber behind the upright leg (on the left), the edge of the rock in the channel at the top (from the right), and the bottom half of the leg protects the timber and is prescored to peel off cleanly when your done taping.
Makes for a clean finish next to anything you don't want mud on. Great next to windows, wallpaper, woodwork, etc.
Any descent yard ought to have it...Buic