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How to join old “plaster and metal lath” wall to blueboard ceilings?

Manuel Rico
8 months ago

Hi. My 1952 SoCal bungalow house caught on fire and got heavily smoked as a result. The insurance company has agreed to replace the roof and ceilings. Blueboard core panels will be used to rebuild the ceilings. The walls are plaster over metallic lath and the insurance does not see the need to replace the plaster walls since they assume the smoke did not go into the wall cavities.

My general contractor says that there is NOT a clean way to join the old plaster walls and the new blueboard ceiling panels and therefore is pushing me to ask for more money to the insurance company the remove the walls plaster, clean cavities and install drywall. The insurance company however does not give me the money for this. My question is: Is this really necessary? Does this joint really need to be so robust?

Thanks for your professional advise



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