Sheet Cork Underlayment, Acoustical Cork LA, Soundproofing Cork, Sound Reduction Cork

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1/4" Cork Underlayment 2'x3' Sheet

Cork Underlayment Sheet

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  • Cork Underlayment Sheet

1/4" Cork Underlayment 2'x3' Sheet

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$0.79 / sq.ft.

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Quick Overview

Acousical Cork Underlayment is recommended for sound reduction and stress crack protection underneath most types of hard surface flooring including hardwood, laminate, stone & ceramic tile It has been tested according to ASTM standards for acoustical values and can meet practically any sound code for high-rise buildings in North America. Natural CORK underlayment is perfect choice for any commercial and residential application.

Underlayment Technical Specifications

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Product Description

Natural CORK, the natural choice for sound control underlayment.
Cork contains millions of air-filled pockets per cubic inch. These air pockets compress under pressure, regaining their shape once pressure is removed thereby creating a gentle cushiony surface flooring material. With cork you are literally walking on air! This same characteristic is responsible for cork’s success as an acoustic insulation.
100% Cork Composition Roll and Flexicork Sheets can be used for:
*Underlayment
*Sound reduction insulation
*Stress crack suppression
*Scratch protection for furnishings, floor and wall
*Bulletin boards
*Art projects
*Trivets
*Wall coverings
*Available in sheets & rolls of various sizes & thicknesses

Acoustical Ratings:                             

     6mm Cork Underlayment

                                                            Ceramic Finish                                   Wood Finish

             STC                         IIC                        STC                          IIC           
Concrete Slab 8"             58            60             56            62
Concrete Slab 6"             53            58             54            59
Concrete Slab 4" & Steel Deck             60            64             60            65
Wood Joist Construction             54            59             54            60

  

      12mm Cork Underlayment

                                                                            Ceramic Finish                           Wood Finish

                   IIC                     
                  IIC                   
Floor ceiling assembly in a
controlled laboratory environment
                      57
                       58


Fire Behavior
: The underlayment is a fire inhibitor which neither spreads flame nor releases toxic gasses on combustion.
Dimensional Tolerance: Length & Width: ± 0.5mm; Thickness: ± 0.2mm.
Certifications: CARB Compliant


STC: Sound Transmission Class
IIC: Impact Insulation Class

 

What Do the Terms STC and IIC Mean In relation to Sound Rated Floor Systems

STC Ratings
The term STC refers to the single figure of evaluation used to quantify the transmission of airborne sounds through building elements, such as a wall or floor systems. These types of sounds would be the equivalent of voices, music, radio or television audio in the context of a multi-family building. The term STC translates to Sound Transmission Class and is measured and stated in accordance ASTM Standard number C634 and tested via the test methodology of ASTM Test Methods E 90, E 336 and E 596. When done in an accredited test laboratory, these values are stated as a number to the right of the initials STC. When done in the “Field”, using ASTM Method E 336, these values are designated by the initials FSTC to the left of the numeric value.

STC values are in a large part influenced by solid mass of the structure, but are also somewhat dependent on isolation and resilience within the structure.

IIC Ratings
The term IIC refers to the statistical measurement standards used to quantify the transmission of impact sound energy through a floor/ceiling assembly system. These types of sounds would be the equivalent of foot traffic, dropped articles or furniture moving in the context of a multi-family building. The term IIC translates to Impact Isolation Class and is measured and stated in accordance to ASTM Standard number C634 and tested via the test methodology of ASTM Test Methods E90, C423, E 548,

E 717 and E 989. In addition, a new test protocol for concrete sub-floors has been introduced under ASTM E 2179-01. When done in an accredited test laboratory these values are stated as a number to the right of the initials IIC. When done in the “Field”, using ASTM Method E-1007, these values are designated by the initials FIIC to the left of the numeric value.

IIC values are not heavily influenced by the presence of solid mass in the structure.

IIC values are dependent on the presence of a resilient material somewhere in the assembly to isolate and absorb the sonic energy created by impacts.

STC and IIC Ratings and Building Codes

In multi-family construction, in most jurisdictions, there are minimum IIC and STC values which the floor/ceiling assembly must achieve to meet the building code standards. Most common is the U.B.C. Uniform Building Code or I.B.C. International Building Code, which calls for minimum values of IIC 50 and STC 50. Some states, municipalities and counties have different building code standards, but the U.B.C. and I. B.C. codes are by far the most common. Consult your local Building Department for the exact code standards applicable in your area.

In addition to the building code standards, some condominium developers and condo homeowners associations have their own minimum standards written into their Covenants, Conditions and Restrictions (CC&R’s), which are often more stringent than the building code in that given jurisdiction. It is wise to consult your condo association in regard to their CC&R standards for the required IIC and STC values before installing hard surface flooring materials in your unit.

 

 

Additional Information

Manufacturer / Supplier Amorim Cork
Collection Cork Underlayments
Style Name 1/4" Cork Underlayment 2'x3' Sheet
Price $0.79 / SF.
Country of Origin Portugal
Available Shapes Roll and Sheet
Dimensions Small Roll = 1/4" x 4' x 50', Large Roll = 1/4" x 4' x 98' and Sheet = 1/4" x 2' x 3'
Thickness 1/4 inch
Price / Sq. Ft. $0.79
Sq. Ft. / Roll Large Roll =392 SF. and Small Roll = 200 SF.
Freight to CFM $100.00
Freight to Customer Please call (310) 481-0611 for freight charge to your address

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Serving Since 1987

Working closely with Architects and Designers to complete high fashion interior design products & services. We are committed to art of the past & charm of modern styles, since 1987

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Carpet Floor & More have previously completed major commercial and residential projects for prominent Architects & Designers.
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