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Warning: a homeowner in Boise made me rethink my whole approach to underlayment

I was finishing a glue-down vinyl job last week, and the client asked me why I was using a 6mm pad instead of something thinner. He said his last installer told him a thick pad could void the warranty on rigid core planks. I checked the manufacturer specs right there, and he was totally right. I've been doing it that way for years without a second thought. Has anyone else had a warranty call over something like this?
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2 Comments
claire_butler1
That's a really good point about warranties. I always figured more cushion was better for comfort and sound. Now I double check the install guide every time, even on familiar brands.
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christopher402
Right? What else do we just assume is fine without checking the manual?
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