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Looking for advice on using RX35 sealer and joint compound on walls affected by soot damage from a kitchen fire – any suggestions?

Asked by Alívio da Paz
4 months ago
Last Updated: August 7, 2024

Presented by the same guy who spreads spackle on walls like it’s a bagel with cream cheese.

His wife here, diving into the world of “handy woman” skills about a month in.

Dealing with the lower parts of the walls now. The old wallpaper glue from the 80s is hanging on for dear life. Got a few questions…

If I scrape off the peeling bits and rough spots, could I apply rx-35 as a sealer before slathering on joint compound? Considering going for a thicker layer for a smooth finish or textured effect… still pondering. Any recommendations on which type of mud to use?

Also, any insights on the long-term effects of soot on walls? We had a small kitchen fire three months back. This wall got some soot but not as much as the kitchen, supposedly cleaned by the mitigation company.

I might be overthinking this, but will using rx35 seal in any leftover residue from the fire?

Taking on these projects due to the fire and lack of furniture for three months… might as well make use of the empty space.

Appreciate any advice and kindness in advance.

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Jessica Gordon

If you plan on keeping the chair rail, I suggest popping it off and putting 1/4 drywall over the entire area. It would save you a lot of work in the long run.

Jessica Gordon

Just go right on ahead.

Stanko Cvetković

If you decide to add another layer of drywall, you might run into issues with the baseboard and other trim. That doesn’t sound like good advice. Make sure to prime everything to seal over different materials. Consider skimming deeper areas with a product like Durabond. Then, apply a thin layer of veneer plaster if you feel confident in your skills. Alternatively, use a slow-drying joint compound for easier sanding. The most important skill to have when dealing with an old house is wall repair. ‘t stress about soot – just prime over it and repaint.

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