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Stesso

Identify Soot Stains on Surface

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Fire & Water Damage | Zinsser Bullseye 1-2-3 Primer

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What happens here

The video begins with the painter identifying soot stains on the exterior siding of a house, which are a common result of an interior gas fireplace. He explains that these dark stains must be properly primed before repainting, especially when using a light-colored paint, to prevent them from bleeding through the new topcoat and causing discoloration. He notes that the surface had already been power washed, but the stains persisted, necessitating a primer.

What they say

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So today we're out here prepping an exterior we're Caulking and priming this exterior and I've run into a situation right here this isn't uncommon this is an interior fireplace gas burning fireplace and it's creating a whole swath of soot right here we're going to be repainting this house almost the same color it's going to be a really light white you don't want to paint over this soot without priming it because it just might bleed through the paint itself you want to get this stuff cleaned off so we power wash the house this is what we uh was left after power washing it now we're going to prime it so you don't want to paint over soot it's just going to get rewet it's going to probably absorb into the paint through the paint and discolor the paint today I'm got

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