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2-1/2 ft. x 40 ft. 6 mil Polyethylene Film - Moisture Barrier and Vapor Barrier Underlayment for All Floors

  • Helps protect wood and laminate from moisture
  • Easy to install
  • Can be used over most subfloors
  • See More Details
12¢ /sq. ft. 15¢
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Covers 100 sq. ft.
$11.89 /roll
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Product Overview

Moisture Barrier is a convenient and effective vapor blocker designed specifically for small to medium-sized flooring jobs. At just 100 sq. ft. per roll, Moisture Barrier eliminates the hassle of dealing with a giant sheet of folded plastic. It rolls out and lies flat, with self-sealing seams making it simple to connect and form a continuous 6 mm vapor barrier between wood or laminate planks and a subfloor.
  • Made with 100% polyethylene for long-lasting moisture protection
  • Designed for use over most types of subfloors
  • Helps protect wood or laminate floor from harmful subsurface moisture
  • Covers 100 sq. ft.; roll measures 40 ft. x 30 in.
  • Roll the film out and tape all seams for easy installation



Info & Guides

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2-1/2 ft. x 40 ft. 6 mil Polyethylene Film - Moisture Barrier and Vapor Barrier Underlayment for All Floors
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Price
12¢
/sq. ft. ($11.89 /roll)
15¢ Save 20%
$1747
$1898
/roll
$1999
/roll
Ratings
(40)
(165)
(526)
(163)
Flooring Material FeaturesWaterproofing membraneAttached vapor barrier,Mold/mildew resistant,Sound absorbingLatex based,Moisture resistantAttached vapor barrier,Cushioning,Moisture resistant,Mold/mildew resistant,Self-Leveling,Self-leveling underlayment,Sound absorbing
MaterialPlasticPlasticPlasticPolyethylene
Package coverage (sq. ft.)100200120200
Flooring TypeBamboo,Cork,Engineered Hardwood,LaminateEngineered Hardwood,Solid HardwoodEngineered Hardwood,LaminateBamboo,Cork,Engineered Hardwood,Laminate,Vinyl
Flooring Product TypeUnderlaymentUnderlaymentUnderlaymentUnderlayment
LocationFloorFloorFloorFloor
View ProductView ProductView ProductView Product

Specifications

Dimensions

Product thickness (mil)
6
Product Width (in.)
30
Recommended overlap (in.)
0
Roll length (ft.)
40
Roll width (in.)
30

Details

Color Family
Black
Commercial / Residential
Commercial / Residential
Flooring Material Features
Waterproofing membrane
Flooring Product Type
Underlayment
Flooring Type
Bamboo,Cork,Engineered Hardwood,Laminate
Location
Floor
Material
Plastic
Package coverage (sq. ft.)
100
Returnable
90-Day
Subflooring type
Concrete

Warranty / Certifications

Manufacturer Warranty
Free from manufacturer defects

Questions & Answers

45Questions11Answers

Could I glue this to plywood to seal out moisture?

Asked by FloorsAreStressingMe June 19, 2021
1
Answer

The 6-mil vapor barrier is designed to be floated on top. No testing has been done with gluing down to the plywood.

Can you use this vapor barrier with additional acoustic underlay? Would you put this down first d...

Asked by Homedepotcustomer May 31, 2021
1
Answer

Thanks for the question! Yes, you can use this vapor barrier with additional underlay. You would lay this vapor barrier down directly on the concrete slab and then put the sound dampening on top before laying the floor.

Is this necessary on a concrete subfloor on a 2nd story bedroom? LVP has attached padding but sub...

Asked by DIYAJ April 30, 2021
1
Answer

If the concrete subfloor is on the 2nd story, then no as moisture can not be emitted.

Can i use this to put on the ground and put a shed on top ?

Asked by Jay April 8, 2021
1
Answer

This product is designed to be installed in indoor flooring applications. While this product may work installing under the shed, it hasn't been tested to be used under subfloors. If you are installing the 6-mil vapor barrier on top of the concrete/wood subfloor, then yes you can use this product.

Can this be used for under a shed ?

Asked by Jay April 6, 2021
1
Answer

We would like to learn more about your flooring situation, please give us a call at (888) - 379 - 9695.

can this be used behind drywall wall?

Asked by steve March 15, 2021
1
Answer

No, Moisture Block is designed for flooring applications.

I have an almost 100 yr old house. Under my flooring is nothing but the joist and dirt. My house ...

Asked by Deborah November 18, 2020
1
Answer

Hi Deborah, You will have to fix your current plywood that is rotted out. To prevent it from happening again, you would have to treat the crawl space with a vapor retarder. This should reduce/block the moisture from the dirt to your plywood. If the subfloor is plywood, you would look at installing a flooring underlayment underneath your laminate flooring. A 6-mil vapor barrier (MoistureBlock) is usually used for concrete subfloors that emit moisture.

I am installing hardwood flooring in my garage. The current foundation is slab on grade concrete...

Asked by JG November 1, 2020
2
Answers

My first question is why would anyone want to put hardwood flooring in a garage, but then not everyone uses a garage to house cars. This 6 mil polyethylene barrier would work just fine next to the slab. I have used in in my basement for the same purpose.

I was told by a contractor that moisture barriers going over a interior concrete slab should exte...

Asked by Scottie September 25, 2020
1
Answer

Installing the moisture barriers a couple of inches up the wall around the perimeter of the room is correct. The moisture needs to be routed to the walls and not your floor. If you have a concrete floor, a sill plate is used and should protect your walls from moisture.

What tape do you recommend for joining overlapping barrier where there is no strip?

Asked by NurseJoe September 18, 2020
1
Answer

Duct tape is what recommend if the product doesn't come with a built-in lip and tape system.

2-1/2 ft. x 40 ft. 6 mil Polyethylene Film - Moisture Barrier and Vapor Barrier Underlayment for All Floors - page 2

Customer Reviews

  • 4.6
    out of 40 reviews
  • 90% recommend this product
Filter by:
Showing 1-10 of 40 reviews
This product is horrible. It was heavily wrinkled right as we were unrolling it. Even worse when ...
This product is horrible. It was heavily wrinkled right as we were unrolling it. Even worse when we taped the pieces together and followed the 8" overlap in the instructions. After unrolling it we could not get the wrinkles out. We mistakenly thought they would smooth out once the Pergo laminate flooring was installed on top of it, but it just caused a crinkly sound when we walked on the flooring. We decided to remove the flooring, rip up the underlayment and go back and install a better quality underlayment. What a waste of time and money this was. I strongly recommend NOT using this product!
by MGdad
6 people found this helpful
by HomeDepotCustomer
by cher
Having never needed a vapor barrier nor ever planning to...
Having never needed a vapor barrier nor ever planning to need one again, this seems easy enough to put down and use. Just roll it out and overlap the pieces to fit the floor.
by SUZANNE
I used it on the inside of my planter box...
I used it on the inside of my planter box to prevent wood rot.
by PAULA
worked like s charm inder stone on garden paths...
worked like s charm inder stone on garden paths
by LYNNE
Very easy to install very impressed with the material it’s...
Very easy to install very impressed with the material it’s self and very easy to work with
by DUSTIN
Used this plastic as moisture barrier for basement wall of cement block. It was almost too thick ...
Used this plastic as moisture barrier for basement wall of cement block. It was almost too thick - real overkill for the job I needed it for, but it worked great.
by bosephus
This stuff has been great to work with for me....
This stuff has been great to work with for me. It's super durable and it lies relatively flat with little effort. It is hard to get it perfectly flat (my job does not have that as a requirement) and gets even more so when you get to the end of the roll. So, be aware, if your vapor barrier needs to be perfectly flat, this may not work for you. Otherwise, you'll love it.
by PopK
Worked well. Don't look elsewhere and waste time, get this...
Worked well. Don't look elsewhere and waste time, get this one.
by STEFAN
Showing 1-10 of 40 reviews