Lydia Crowder breaks down the relationship between drywall compounds and tapes, clarifying which products are compatible and which combinations lead to failure. She covers all-purpose, plus three, UAP, and easy sand 45, noting that all-purpose is her preferred taping mud for its strong bond and workability. Mesh tape is the most restrictive — it only works with easy sand 45 — while paper tape and five-ause offer more flexibility across compound types. Angles, flats, and butt joints each have their preferred tape, and flex corner tape handles cathedral ceilings and off-angles across any of the muds.

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