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Bad Advice at Lowe's
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Several days ago I went to the closest Lowe's to pick up my LVP. Sadly it was out of stock and I ended up driving 50 miles to one down towards the seacoast to get it.
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The flooring salesman at my local Lowe's struck up a conversation with me once he saw
me wandering around his department as if I was looking for a lost golf ball.
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"Can I help you?" he said in a very authoritative voice.
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"Sure, I'm trying to get eighteen cartons of Honeycomb Oak LVP with the 20-mil wear layer."
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We walked over to the giant shelving where it's stored and quickly discovered there wasn't one carton.
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"Tell me, are you going to install this yourself?"
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He must have seen my
white hair and wondered about my stamina and skill level. Cartons of LVP are heavy and unless you've mastered the art of levitation, you'll be on your knees all day.
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"Yes, I'm going to install it myself," I quipped respectfully.
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The salesman then started asking all the right questions one of them being, "Where is it being installed?"
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"It's going in a basement bedroom."
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"Well in that case, be sure you purchase this
underlayment made by the manufacturer or at the very least put down 6-mil plastic under the material."
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He went on to say, "Water vapor travels right up through concrete and you don't want it getting into the LVP."
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I was a little perplexed by this statement because one of the great qualities of LVP is that it's waterproof.
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He was absolutely correct that water vapor can travel through concrete. And unless you live in the Atacama Desert,
water vapor is working its way up through your concrete floor.
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It's important to realize this salesman had a forceful take-charge personality. He exuded confidence. The average person would think he was the top LVP installation expert in New Hampshire no doubt.
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It was time for me to share some of my knowledge.
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"I agree that water vapor does travel through concrete. What happens if the concrete is poured over two inches of closed-cell foam
that also has a layer of 6-mil plastic sandwiched between the concrete and the foam? My understanding is closed-cell foam is an excellent vapor retarder. Wouldn't that stop the transmission of water vapor keeping the concrete bone dry?"
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What I didn't tell him is I knew closed-cell foam and plastic were underneath my slab. A few years back I had to break into my basement floor to relocate a shower drain. Watch Part One of the video here. Look closely and you'll see some of the chunks of the blue Dow closed-cell foam.
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Three seconds of silence followed. He then said, "You need to stop the mold and mildew at its source."
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I ended with, "Well if you install the underlayment or 6-mil plastic just under the LVP, it seems the
mold and mildew will be on top of the concrete lurking just under those thin materials."
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He then said, "Let's go see which store has what you need."
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This salesman knew all about water vapor. That's a good thing. But what if he hadn't? His authoritative personality would have bulldozed the average person. What would happen if he routinely gave out bad advice?
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I'll go on to say that you need to read the installation instructions that come
with your LVP. To keep the warranty in force, you may be required to install the underlayment or 6-mil plastic no matter what you have UNDER your concrete.
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BOTTOM LINE: Be like President Ronald Reagan. Trust and VERIFY. Before you start a project you can ask for advice at any of the big box stores, but then do your due diligence to discover if what you were told is right.
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Oh, and part of your due diligence might involve a simple 15-Minute Phone Call with me. Remember, the call is FREE if you feel you didn't discover much during the call.
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