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-   -   Acoustic Underlayment for LVT/LVP (http://www.thefloorpro.com/community/vinyl-flooring-q-and-a/14562-acoustic-underlayment-for-lvt-lvp.html)

Valleysimpson May 21, 2013 07:52 AM

Acoustic Underlayment for LVT/LVP
 
I am about to install some Invincible LVP and was wondering if anyone has any recommendations for what brand of acoustic underlayment has worked for them.

Thanks.

Jeff Short May 21, 2013 09:01 AM

Best thing to do is check with the retailer for manufacturer recommendations.

Valleysimpson May 21, 2013 10:16 AM

My reseller told me to use red rosin paper. I haven't seen where anyone else recommends that so I started looking for other options and I came across an article from Fcnews.com about underlayment.

Jim McClain May 21, 2013 11:32 AM

I've never used an accoustical underlayment for LVT/LVP, but you might look into this:

Silencer™ Luxury Vinyl Tile Acoustical Underlayment

and

dBcover underfloor acoustic protection

or

SolidSound earth friendly underlayment

Jim

Mike Antonetti May 21, 2013 07:37 PM

Your over wood? I always thought vinyl plank was quiet compared to laminate.
I don't think rosin paper has much of an acoustical reduction.
Also as suggested , I would contact manufacturer for a product under the LVT/P , you would void any warranty but most of all may incur a problem hence the reason to check if warranty covers problem underlayment caused and has nothing to do with integrity of their product.

j248 May 21, 2013 10:29 PM

If the underlayment is giving or cushioned out will likely dislodge the click joints. Sound should not be much of an issue, but I have had many installers insist on using it. It needs to be thin and solid...I would use vinyl but it is not a requirement...it ccan help

Valleysimpson May 22, 2013 06:24 AM

Thanks everyone. Sounds like I can skip the underlayment. I was concerned about noise problems like I have heard when I walked on laminate flooring but I wasn't sure about vinyl. I wasn't planning on using any until I read the article from FC news. I am planning on putting 1/4" luan or plywood over my OSB floor. I have plinth blocks that were installed many years after my carpet was so I need to bring the floor level up. Any concerns using luan versus plywood under vinyl?

Jim McClain May 22, 2013 11:31 AM

Quote:

Valleysimpson said (Post 182486)
Any concerns using luan versus plywood under vinyl?

Yes. Don't. Think about quality before price. Lauan is the cheapest plywood you can get. Underlayment quality plywood (sanded, no voids between layers, exterior glues) is better.

Jim

RobertT May 22, 2013 08:36 PM

I would not use an underlayment unless it is recommended by the manufacturer. Usually this in only done for added sound control between floors. Vinyl is not rigid like laminate. The floor needs a firm substrate to minimize indentation from heavy point loads. The floor will not indent easily but the underlayment can and vinyl will always follow/telegraph the substrate. Luan can be very soft as well. As a manufacturer of flooring we do not know from pallet to pallet what species of tree was used for Luan underlayment. We recommend quality underlayments designed for resilient flooring. Make sure it is properly fastened typically every 6" in the field and every 4" to 2" on the edge depending on the manufacturer.

Steve Olson May 22, 2013 10:33 PM

Nice to have tech support here to set things straight. I've never used an underlayment LVT/LVP. I find it to be very quiet underfoot, even over a wood subfloor. Thanks for being here!

Valleysimpson May 23, 2013 04:47 AM

Thanks again for all the great info. I ripped out my old carpet last night and I hope to pick up my wood underlayment tonight. I have Menards, Lowes, and Home Depot available for underlayments. I see Menards has a preprinted underlay called IntegraPLY from Shelter Forest. Has anyone used this? Is regular AC exterior plywood the best option?


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