The single source for high performance
floor underlayments





Q 1.1 : Where is your manufacturing facility located?

A 1.1 : While we maintain sales offices around the world, our manufacturing facility is located in Swedesboro, NJ. We are a proud member of the MADE IN NEW JERSEY Manufacturing Program.

Q 1.2 : Do you have a certified quality system to insure the quality and consistency of your products?

A 1.2 : YES. Diversified Industries, Inc. is an ISO 9001:2008 certified company with a quality management system committed to ensuring total customer satisfaction.

Our system and operations are designed to offer our customers innovative and high performance solutions through material expertise, high efficient processes, standardized procedures and lean manufacturing philosophies.

We invite you to visit us and witness why we have been certified and qualified by numerous Tier One suppliers and Industrial Original Equipment Manufacturers (OEMs).

We maintain an ISO 9001:2008 quality system that certifies we have capable processes and procedures. This system is monitored and independently certified by Bureau Veritas Group. With clients in more than 100 countries, delivering 100,000 certificates, Bureau Veritas Group Certification is the worlds leading quality certification body. Relying on a global network of 5,700 highly qualified auditors and expertise that is recognized by more than 35 national and international accreditation bodies, Bureau Veritas Certification is the industry leader in independent certifications.


Q 2.1 Do you sell other products besides the FloorMuffler?

A 2.1 YES. We manufacturer a wide range of products for both hard and soft surfaces applications. These products range from value grade products to premium grade products. Please refer to our PRODUCTS page of the website to view our complete line of products displayed and sorted by application.

Q 2.2 : What are the thickness and the dimensions of the FloorMuffler and other products?

A 2.2 : The typical thickness, dimensions, and other physical properties of the FloorMuffler and all of our other underlayments can be found on the PRODUCT page for each specific product. The TYPICAL PHYSICAL PROPERTY page will also detail the typical properties for each of our products.

Q 2.3 : What does the designation UltraSeal signify?

A 2.3 : UltraSeal is the brand name for our Self Sealing Lip and Tape Seam System. This system was designed to protect your floor covering from substrate moisture vapor transmission at the seam joints. It combines an overlapping film for moisture protection of the seam joints along with a Pell & Stik tape strip for ease of installation.

Q 2.4 : What types of floor coverings are compatible with your products?

A 2.4 : We offer specific underlayments for under:

  • Laminate
  • Engineered
  • Solid hardwood
  • Luxury Vinyl Tile
  • Luxury Vinyl Plank
  • Ceramic tile
  • Carpeting.

Please refer to our PRODUCTS page of the website to view our complete line of products displayed and sorted by application. Additionally, the PRODUCT OVERVIEW sheet for each product details the floor coverings that are recommended to be compatible with each underlayment.

Q 2.5 : What installation methods can be used with your products?

A 2.5 : We offer various products that can be used in floating, nail down and double glue down installations. The PRODUCT OVERVIEW sheet for each product details the acceptable installation methods for each underlayment.

Q 2.6. : Are your products moisture barriers or do you need an additional film or moisture barrier.

A 2.6. : Both the North American Laminate Flooring Association ( NALFA ) and the National Wood Flooring Association ( NWFA ) recommend that flooring should only be installed when the substrate contains an moisture vapor transmission rate (MVTR) of ? 3# / 1000 ft / 24 hours as tested using a calcium chloride test. Additionally, the TYPICAL PHYSICAL PROPERTY page will detail the specific MVTR characteristics for each product.

Q 2.7. : How can I obtain pricing for your products?

A 2.7. : Your business is valuable to us and we strive for customer satisfaction. You can reach us in any one of the following ways:

Phone: 800-440-6008


Visit the contact us section at

Q 2.8. : If I am gluing down you underlayment, do I HAVE TO use your brand of adhesive?

A 2.8.    :  No – You do not have to use a FloorMuffler branded adhesive with The FloorMuffler.  FloorMuffler has been successfully used in double glue down installation with other manufacturer’s adhesives.  However, please note that Diversified Industries will not warrant another manufacturers adhesive for use when installing The FloorMuffler in a double glue down installation.  Please see our disclaimer below:

FloorMuffler® HPPA, FloorMuffler® EWA, & FloorMuffler LVTA Adhesives have been tested and warranted by Diversified Industries for use with the FloorMuffler® underlayments for double glue down installations when installed per our System Installation Guidelines.  These instructions and our full Limited Warranty Statement of Warranty can be found on our website @  Always read this this information in full prior to any double glue down installations.  Diversified Industries does not endorse or warrant the use of other brands of adhesive for double glue down installations when using the FloorMuffler Underlayment.

We have provided a list of possibility adhesive for your reference only.  The information provided is for reference, and reflects information provided directly from alternate adhesive manufacturers of adhesive systems that could possibly be used for installation of the FloorMuffler Underlayment in double glue down installations.  Diversified has not independently verified this information.  YOU ASSUME ALL RISK FOR USE OF THIS INFORMATION AND USE OF ANY OF THE PRODUCTS REFERENCED BELOW. ALWAYS contact the alternate adhesive manufacturer directly to confirm this information and to obtain their installation instructions and warranty information prior to use.  DIVERSIFIED MAKES NO WARRANTY REGARDING ANY OF THE PRODUCTS REFERENCED. INCLUDING THEIR SUITABILITY FOR USE WITH THE FLOORMUFFLER UNDERLAYMENT.

Q 2.9. : Can the FloorMuffler be used with radiant heat floor systems?

A 2.9. : There are many varieties of underfloor heat systems available of the market. We recommend contacting the manufacturer of the heat system PRIOR to installation with the FloorMuffler to confirm the FloorMuffler is suitable for these application. When suitable, we recommend that the heating system be installed over the FloorMuffler to allow proper thermal transfer.

Q 2.10. : Do you have any test data available for your products?

A 2.10 : Your business is valuable to us and we strive for customer satisfaction. You can reach us in any one of the following ways to obtain test data:

Phone: 800-440-6008


Visit the contact us section at

Q 2.11 : Does the FloorMuffler have zero ( 0 ) VOC’s

A 2.11 : We have investigated this question with independent outside laboratories and have confirmed that no polyolefin foam has zero ( 0 ) VOCs If you are being told that a product has ZERO VOCs, we suggest that you request a physical copy of the actual test report for that specific product demonstrating the value ( 0 ). These types of marketing claims may be very confusing to consumers and we suggest reviewing the reports yourself. While the FloorMuffler does not claim a value of ZERO VOC, we are confident stating that the FloorMuffler surpasses the Indoor Air Quality emissions requirement for California Section 01350 the most stringent volatile organic compound standard in North America.

Q 2.12 : When installing underlayments, why are you advising to run the underlayment 2” up the wall?

A 2.12 : We recommend running the underlayment 2 up the wall to provide moisture protection. As concrete slabs are constantly transmitting moisture, this practice with protect your floor covering.

Q 2.13 : Where can I purchase your products?

A 2.13 : Our products are sold national at many fine retail establishments across the country. To find one near you, please contact us directly:

  • . Phone: 800-440-6008
  • . Email:

Visit the contact us section at