Download SECTION 09 61 85 SOUND CONTROL UNDERLAYMENT for
WORD | RTF | Text | Word Perfect
Find over 500 more CSI Sections
on Arcat.com
Switch to Masterformat 95
 
SECTION 09 61 85
SOUND CONTROL UNDERLAYMENT
 
 
Copyright 2005 - 2017 ARCAT, Inc. - All rights reserved
** NOTE TO SPECIFIER ** AcoustiCORK / Amorim Cork Composites; Sound Control Underlayment & Crack Suppression Membrane products.
.
This section is based on the products of AcoustiCORK / Amorim Cork Composites, which is located at:
26112 110th St.
Trevor, WI 53179
Phone Toll Free: (800) 558-3206
Phone: (262) 862-2311
Fax: (262) 862-2500
E-mail: llyons.acc@amorim.com
Web Site: www.acousticorkusa.com
[click Here] for additional information
AcoustiCORK(TM) PRODUCTS are recognized in the building industry as some of the most effective sound control and crack suppression underlayments used under hard surface and resilient floors. Residential and commercial high-rise complexes such as condominiums, hotels and motels throughout the United States, Canada and Europe have used AcoustiCORK(TM) Products to reduce unwanted noise.
AcoustiCORK(TM) Products, sound control underlayment and crack suppression membrane. Made from select Composition Cork materials, AcoustiCORK(TM) has been proven effective in thousands of acoustical underlayment applications throughout the world. Whether the finished flooring is hardwood, natural stone, ceramic tile or a floating floor system or resilient floor system, AcoustiCORK(TM) provides a superior sound barrier. AcoustiCORK(TM) Products are designed to meet building codes and condominium association requirements for floor/ceiling assemblies using ceramic tile, marble, stone or hardwood floors.
 
PART 1 GENERAL
 
1.1
SECTION INCLUDES
 
** NOTE TO SPECIFIER ** Delete items below not required for project.
 
A.
Sound Control Underlayment.
B.
Perimeter Isolation Barrier
C.
Crack Suppression Membrane
1.2
RELATED SECTIONS
 
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
A.
Section 03 30 00 - Cast-in-Place Concrete.
B.
Section 06 10 00 - Rough Carpentry.
C.
Section 07 26 23 - Below-Grade Gas Retarders .
D.
Section 09 30 00 - Tiling.
E.
Section - .
F.
Section - .
G.
Section 09 64 16 - Wood Block Flooring.
H.
Section 09 65 16 - Resilient Sheet Flooring
I.
Section 26 27 26 - Wiring Devices.
1.3
REFERENCES
 
** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
A.
ASTM C 177 - Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus.
B.
ASTM C 627 - Evaluating Ceramic Floor Tile Installation Systems Using the Robinson-Type Floor Tester.
C.
ASTM E 84 - Test Method for Surface Burning Characteristics of Building Materials.
D.
ASTM E 90 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements.
E.
ASTM E 492 - Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine.
F.
ASTM E 2179 - Standard Test Method for Laboratory Measurement of the Effectiveness of Floor Coverings In Reducing Impact Sound Transmission Through Concrete Floors.
G.
ASTM F 1869 - Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor using Anhydrous Calcium Chloride.
H.
ANSI A 108 - Installation of Ceramic Tile.
I.
ANSI A 118 - Installation of Ceramic Tile.
J.
ANSI A 137.1 - American National Standard Specifications for Ceramic Tile.
K.
TCNA (Tile Council of North America) - Handbook for Ceramic Tile Installation.
L.
NWFA (National Wood Flooring Association) - Installation Guidelines.
M.
Resilient Floor Covering Institute - Installation Guidelines
1.4
DESIGN / PERFORMANCE REQUIREMENTS
 
** NOTE TO SPECIFIER ** Definitive sound ratings and certified test data is available for wood floor joist and concrete floor assemblies with STC ratings of 52 to 62. Contact underlayment manufacturer for additional information.
 
A.
Acoustical: Product shall be tested for acoustical values in accordance with ASTM E 90 for STC values, ASTM E 492 for IIC values or ASTM E 2179 for Impact Sound Testing values respectively. Testing of acoustical values shall be conducted by an independent laboratory accredited by the U.S. Dept. of Commerce, National Voluntary Laboratory Accreditation Program.
B.
Structural: Product shall be tested for structural and deflection performance in accordance with ASTM C 627, and shall have a minimum of a residential construction rating.
C.
Thermal Resistance: Product shall be tested for thermal resistance in accordance with ASTM C 177 and shall have a minimum "R" value of 3.125 (per inch of thickness).
D.
Fire Rating: Class "A" Fire Rated when tested in accordance with ASTM E 84
1.5
SUBMITTALS
A.
Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.
Product Data: Manufacturer's data sheets on each product to be used, including:
1.
Preparation instructions and recommendations.
2.
Storage and handling requirements and recommendations.
3.
Installation methods.
 
** NOTE TO SPECIFIER ** Delete the following paragraphs if LEED is not applicable.
 
C.
LEED Submittals: Provide documentation of how the requirements of Credit will be met:
1.
List of proposed materials with recycled content. Indicate post-consumer recycled content and pre-consumer recycled content for each product having recycled content.
2.
Product data and certification letter indicating percentages by weight of post-consumer and pre-consumer recycled content for products having recycled content.
3.
List of proposed materials with rapidly renewing content. Indicate rapidly renewing content percentage for each product having rapidly renewing content.
D.
Verification Samples: For each product specified, two samples, minimum size 6 inches (150 mm) square, representing actual product.
E.
Manufacturer's Certificates: Certify products meet or exceed specified requirements.
F.
Manufacturers warranties.
1.6
QUALITY ASSURANCE
A.
Manufacturer Qualifications: Company specializing in manufacturing products specified in this section with minimum ten years experience.
B.
Installer Qualifications: Company specializing in performing Work of this section with minimum three years experience.
 
** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
 
C.
Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and application workmanship.
1.
Finish 10 feet by 10 feet (3 mm by 3 mm) area, including typical field and edge conditions.
2.
Locate in area designated by Architect.
3.
Do not proceed with remaining work until workmanship, color, and sheen are approved by Architect.
4.
Refinish mock-up area as required to produce acceptable work.
1.7
DELIVERY, STORAGE, AND HANDLING
A.
Store products in manufacturer's unopened packaging until ready for installation.
B.
Protect materials from exposure to moisture. Do not deliver until after wet work is complete and dry.
C.
Store materials in a dry, warm, ventilated weathertight location.
D.
Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.
1.8
PROJECT CONDITIONS
A.
Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's absolute limits.
B.
Spaces must be enclosed and dry with normal design humidity levels and temperatures between 65 and 75 degrees F (18 and 24 degrees C) for a minimum of 7 days before, during and 7 days after installation of finished flooring. After installation maintain design humidity and temperature levels.
C.
Do not install underlayment until materials have been acclimated to ambient temperature and humidity conditions for minimum of 3 days. Remove materials from protective packing and stack for acclimation procedures to facilitate cross-ventilation of materials.
1.9
WARRANTY
A.
Limited 10 Year Warranty: Manufacturer warrants AcoustiCORK Products to be free of defects in material and workmanship for ten years from date of installation.
B.
Warranty requires manufacturers approval of exiting conditions and installation methods prior to installation of underlayment.
1.10
COORDINATION
A.
Coordinate Work with other operations and installation of floor finish materials to avoid damage to installed underlayment and membrane materials.
PART 2 PRODUCTS
 
2.1
MANUFACTURERS
A.
Acceptable Manufacturer: AcoustiCORK / Amorim Cork Composites, which is located at: 26112 110th St.; Trevor, WI 53179; Toll Free Tel: 800-558-3206; Tel: 262-862-2311; Fax: 262-862-2500; Email: request info (Llyons.acc@amorimusa.com); Web: www.acousticorkusa.com
 
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
 
** NOTE TO SPECIFIER ** Several types of underlayment are available. Select the required product(s) from the following paragraphs and delete those not required.
 
2.2
MATERIALS
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) R60 Underlayment is designed to meet building code and condominium association requirements when the floor/ceiling assembly system is ceramic, natural stone or wood WITH or WITHOUT a suspended ceiling. Delete if not required.
 
A.
AcoustiCORK R60 Underlayment: Pure granulated cork combined with a polyurethane resin binder, 0.24 inch (6 mm) thick, plus or minus .010 inch (.254 mm).
1.
Size:
 
** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete the one not required.
 
a.
Roll: 48 inches (1220 mm) wide continuous rolls, 100 linear feet (30.48 m) long.
b.
Sheet: 4 feet (1220 mm) by 6 feet (1829 mm) sheets.
2.
Density: Minimum of 11.4 lbs. per cubic foot and not exceeding 13 pounds per cubic foot.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) S130 Underlayment is designed to meet building code and condominium association requirements when the floor/ceiling assembly system is ceramic, natural stone or wood WITHOUT a suspended ceiling. Delete if not required.
 
B.
AcoustiCORK S130 Underlayment. Pure granulated cork combined with a polyurethane resin binder, 1/2 inch (12.5 mm) thick plus or minus .010 inch (.254 mm).
1.
Size: Sheets 24 inches (610 mm) by 36 inches (914 mm).
2.
Density: Minimum of 11.8 pounds per cubic foot and not exceeding 13.6 pounds per cubic foot.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) AC55 Plus Underlayment is designed to exceed building code requirements or meet condominium association requirements that are beyond the local building code requirements when the floor/ceiling assembly system is ceramic, natural stone or wood WITHOUT a suspended ceiling. Delete if not required.
 
C.
AcoustiCORK AC55 Plus Underlayment: 0.125 inch (3 mm) pure granulated cork combined with a polyurethane resin binder top and bottom layers, and a 0.25 inch (6.5 mm) compressed coconut fiber center layer with a 0.50 inch (12.5 mm) total thickness, plus or minus .039 inch (1.0 mm).
1.
Size: Sheets 24 inches (610 mm) by 36 inches (914 mm).
2.
Density: Minimum of 20.0 pounds per cubic foot and not exceeding 22.5 pounds per cubic foot.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) B60 Perimeter Isolation Barrier is designed to effectively install tight perimeter and opening seals of floor/ceiling assembly systems in conjunction with the installation off sound control underlayment. Delete if not required.
 
D.
AcoustiCORK B60 Perimeter Isolation Barrier: Pure granulated cork combined with a polyurethane resin binder, 0.24 inch (6 mm) thick, plus or minus .010 inch (.254 mm) with a self adhesive peal and stick backing.
1.
Size:
 
** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete the one not required.
 
a.
Roll: 3/4 inch (19 mm) wide continuous rolls, 25 linear feet (6.25 m) long.
b.
Roll: 3 inches (76 mm) wide continuous rolls, 25 linear feet (6.25 m) long.
2.
Density: Minimum of 11.4 tbs. per cubic foot and not exceeding 13 pounds per cubic foot.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) R12 Crack Suppression Membrane is designed to prevent stress cracks due to structural or thermal movement through ceramic or natural stone flooring. Delete if not required.
 
E.
AcoustiCORK R12 Crack Suppression Membrane: Pure granulated cork and recycled cork/rubber combined with a polyurethane resin binder, 0.05 inch (1.2 mm) thick.
1.
Size: Roll 48 inches (1220 mm) wide continuous rolls, 75 linear feet (22.86 m) long.
2.
Density: Minimum of 35 pounds per cubic foot and not exceeding 45 pounds per cubic foot.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) PR60 Underlayment is designed for hardwood and laminate flooring applications to provide sound control through flooring. Delete if not required. Not recommended for ceramic tile or natural stone applications.
 
F.
AcoustiCORK PR60 Underlayment: Proprietary profile wave technology to minimize direct contact with the subfloor to maximize the IIC (Impact Isolation Class) performance of glued or floating wood or laminate floor systems. 0.236 inch (6 mm) thick
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) CRC950 Underlayment is designed for ceramic tile, hardwood and other hard surface flooring applications to provide sound control and crack suppression due to structural or thermal movement through ceramic or natural stone flooring. Delete if not required.
 
G.
AcoustiCORK CRC950 Underlayment: Multi-material composite, 100 percent cork top layer, with a blend of cork and recycled rubber layer to improve resilience and impact sound attenuation. Material is 3/8 inch thick (9.5 mm) thick and compatible with all types of hard surface finished floor materials.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) ECOx2 Underlayment is designed to meet
Muti-Family IIC Noise reduction with most glued down and floating LVT Plank Flooring. Disguises minor floor defects. Zero SBR / Tire Ribber content with zero plasticizer migration risk. Environmentally superior with greater than 90% renewable content. Delete if not required.
 
H.
AcoustiCORK ECOx2 Underlayment: Recycled Polyurethane and EVA Foam with cork granules underlayment, 0.075 inch (1.9 mm) thick.
1.
Size:
 
** NOTE TO SPECIFIER ** Select one of the following paragraphs and delete the one not required.
 
a.
Roll: 42 inches (1067 mm) wide continuous rolls, 100 linear feet (30.48 m) long.
2.
Density: Minimum of 28.30 lbs. per cubic foot.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) RC Series underlayment combines renewable cork and recycled rubber that provides the low frequency performance of rubber with the improved adhesion of the cork for virtually any hard surface flooring.
 
I.
AcoustiCORK RC SERIES Underlayment: Renewable Cork and Recycled Rubber composite technology creates a product with several resonance frequencies resulting in superior IIC (Impact Isolation Class) performance.
1.
Thickness:
a.
.197 inch (5 mm).
b.
.394 inch (10 mm).
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) RR300 Series underlayment contains a lower density mix of recycled rubber that provides improved resilience combined with the structural stability needed for a quality floating floor system installation.
 
J.
AcoustiCORK RR300 Underlayment: Recycled Rubber provides improved resilience for floating floor installations resulting in superior IIC (Impact Isolation Class) performance. RR300 is .125 inch thick (3.2 mm) thick and compatible with floating wood, laminate or cork flooring installations.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) CorkPLUS 250 Series underlayment contains Agglomerated Cork and Recycled EVA Foam Granule Underlayment for Impact Noise Reduction of VCT, LVT VET, Sheet Vinyl and Linoleum Floors.
 
K.
AcoustiCORK CorkPLUS 250 Underlayment: Blend of 50 percent Agglomerated Cork and 50 percent Recycled EVA Foam Granule Underlayment. CorkPLUS 250 is .098 inch thick (2.5 mm) thick and compatible with glued down luxury vinyl tile and plank, most floating luxury vinyl systems, fiber glass backed sheet vinyl and linoleum sheet flooring installations.
1.
Size: Roll 42 inches (1070 mm) wide continuous rolls, 80 linear feet (24.37 m) long.
2.
Density: Minimum of 17 lbs. per cubic foot and not exceeding 21 pounds per cubic foot.
L.
AcoustiCORK EZ Floor LVT Underlayment: Agglomerated Recycled Polyurethane Foam Granule Underlayment with an integrated PVC vapor barrier film attached. EZ Floor LVT is .079 inch thick (2 mm) thick and compatible with glued down Luxury vinyl plank and floating Luxury vinyl planks flooring installations.
1.
Size: Roll 42 inches (1070 mm) wide continuous rolls, 49.24 linear feet (15m) long.
2.
Density: Minimum of 1 lbs. per cubic foot and not exceeding 33 pounds per cubic foot.
M.
AcoustiCORK PURC 200 Underlayment: Blend of 40 percent Agglomerated Cork and 60 percent Recycled EVA Foam Granule Underlayment. PURC 200 is .079 inch thick (2 mm) thick and compatible with most floating Luxury vinyl systems
1.
Size: Roll 42 inches (1070 mm) wide continuous rolls, 98 linear feet (29.86 m) long.
2.
Density: Minimum of 14 lbs. per cubic foot and not exceeding 17 pounds per cubic foot
PART 3 EXECUTION
 
3.1
EXAMINATION
A.
Do not begin installation until substrates have been properly prepared.
B.
Verify concrete subfloor surface is fully cured, smooth and flat to plus or minus 3/16 inch in 10 feet (6 mm in 3 m).
 
** NOTE TO SPECIFIER ** Select one of the following two paragraphs as required for the project and delete the paragraph not required.
 
C.
Concrete subfloors should be tested for moisture vapor transmission using a moisture meter or Calcium Chloride test kits. Underlayment must not be installed if vapor pressure exceeds 3 lbs per 1000 square feet in 24 hours. Vinyl flooring must not be installed if vapor pressure exceeds 5 lbs. per 1000 square feet in 24 hours.
D.
Verify wood subfloor is properly secured, smooth and flat to plus or minus 3/16 inch in 10 foot (5 mm in 3 m).
E.
Verify required floor mounted utilities are in proper location.
F.
Verify underlayment has been acclimated to ambient temperatures, and acclimation and ambient temperatures are in accordance with manufacturer's instructions.
G.
Verify floor surfaces are free of substances capable of impairing placement of underlayment and subsequent finish materials.
H.
If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.2
PREPARATION
A.
Clean surfaces thoroughly prior to installation.
B.
Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
C.
Broom clean substrate.
3.3
INSTALLATION
A.
Install in accordance with underlayment manufacturer's instructions.
B.
Perimeter Isolation Barrier:
1.
Install barrier vertically around the perimeter of the entire floor, including any openings in the subfloor. Install by removing self-adhesive backing and placing flat against the wall and flush to the subfloor and pressing barrier firmly into place.
2.
After finished floor is installed trim isolation barrier flush with finished floor surface.
 
** NOTE TO SPECIFIER ** Select one of the two following paragraphs as required for the project. Delete the paragraph not required.
 
3.
Where wall base is required for tile or stone floor installations, place a tile spacer between the base and the finished floor. Remove the spacer when the adhesive is cured. Adhere the base to the wall while keeping the base approximately 1/8 to 1/4 inch (3 to 6 mm) off the finished floor. Remove spacers after adhesives have cured.
4.
Where baseboard or quarter round molding is required for wood floor installations, keep the molding approximately 1/16 to 1/8 inch (1.5 to 3 mm) off the finished floor.
 
** NOTE TO SPECIFIER ** The following paragraphs represent several installation methods. Additional installation method are also available for special conditions. Consult with underlayment manufacturer for additional recommendations. Coordinate with floor finish manufacturers recommendations. Select the installation methods required from the following paragraphs as required for the project. Delete the paragraphs not required.
** NOTE TO SPECIFIER ** Do not install underlayment with screws, nails, staples or other mechanical fasteners. This method will severely diminish the acoustical value of the sound rated floor system.
 
C.
Sound Control Underlayment for Ceramic Tile or Stone Tile Installations:
1.
Cut underlayment to required sizes and loose lay directly over properly prepared concrete base. Install underlayment in largest sizes practical with tight butt joints between sheets and to perimeter isolation barrier.
 
** NOTE TO SPECIFIER ** Select one of the following two paragraphs and delete the one not required. Use the first paragraph for most applications. Use the second paragraph for use with AcoustiCORK CRC950 and RC Series Underlayment only.
 
2.
For adhered floors, cut underlayment to required sizes and glue underlayment to the subfloor with a multipurpose latex based, Type 1 Organic Ceramic Tile adhesive and roll underlayment to remove all trapped air. Install underlayment in largest practical sizes with tight butt joints between sheets and to perimeter isolation barrier.
3.
For floating floors, cut underlayment to required sizes and glue or loose lay to the subfloor. Install underlayment in largest practical sizes with tight butt joints between sheets and to perimeter isolation barrier. Tape the seams of the underlayment to keep them tightly together. Loose lay floating floor on the subfloor.
 
** NOTE TO SPECIFIER ** AcoustiCORK(TM) AC 55 Plus product is not designed for the direct bonded installation of Ceramic or Stone Tile products, consult the manufacturers instructions for specific details regarding the installation of Ceramic or Stone Tile over this product.
 
4.
For tile mortar bed installations apply a bond coat of dry-set mortar or latex modified Portland cement mortar in accordance to ANSI A118.1 and A118.4 prior to installation of tile.
5.
Install Tile in accordance with TCA (Tile Council of America) - Handbook for Ceramic Tile Installation.
D.
Sound Control Underlayment for Wood Flooring Installations:
1.
Where required, install acceptable vapor barrier in accordance with Section 07 26 23 - Below-Grade Gas Retarders .
2.
Cut underlayment to required sizes and loose lay directly over properly prepared concrete base. Install underlayment in largest sizes practical with tight butt joints between sheets and to perimeter isolation barrier.
3.
Where required for glued down systems, cut underlayment to required sizes and glues down over properly prepared concrete base with an acceptable urethane or other type of hardwood flooring adhesive. Roll underlayment to remove all trapped air. Install underlayment in largest sizes practical with tight butt joints between sheets and to perimeter isolation barrier.
4.
Install wood flooring in accordance with NWFA (National Wood Flooring Association) - Installation Guidelines.
E.
Crack Suppression Membrane for Tile Flooring Installations:
1.
Cut membrane to required length and adhere to the concrete floor using either a Type 1 Ceramic Tile adhesive or a latex modified Portland cement mortar in accordance to ANSI A118.1 and A118.4. Roll underlayment to remove all trapped air. Cover the entire surface to be tiled.
2.
Install Tile in accordance with TCA (Tile Council of America) - Handbook for Ceramic Tile Installation.
F.
Sound Control Underlayment for glued down luxury vinyl tile and plank, floating vinyl systems, and fiber glass backed sheet vinyl and linoleum sheet flooring Installations:
1.
Cut underlayment material to the desired length and position the material in the space to be covered. Sheet good permitted for residential applications only.
2.
Butt underlayment material against the perimeter isolation barrier already installed at the floor/wall junction. Alternatively, maintain a 1/4 inch space from walls or any fixed partitions.
3.
Pull the loose laid underlayment back at least half the length of the cut material and apply recommended adhesive using a properly sized U or V-notched trowel, minimum 1/16 inch. Place underlayment into the bed of adhesive. Repeat the process for the other half of the sheet, rolling in both directions with a 100# floor roller. Exception would be EZ Floor LVT, which is designed to be loose laid on the subfloor for use with glued down LVT planking only.
4.
Cover the entire floor area, making sure the sheets are tightly butted together, without gaps. Open seams and gaps will "telegraph" through most vinyl and linoleum flooring, so the underlayment work must be as smooth and well seamed as possible.
5.
Roll the floor area in both directions using a 100# roller to ensure any entrapped air or bubbles are removed. Never mechanically fasten the sheets to the subfloor, as this will severely diminish the acoustical value of the product.
6.
Install flooring materials in accordance with the flooring manufacturers instructions.
7.
If a rigid baseboard or shoe molding detail is required, leave a minimum 1/8 inch gap between the finished floor and the bottom of the shoe or baseboard. This gap can be filled with a non- hardening, color matching, paintable or clear Acoustical Grade Sealant.
3.4
FIELD QUALITY CONTROL
A.
Underlayment manufacturers representative to verify that installation of underlayment and perimeter isolation barrier is in conformance to the manufacturer's recommendations as required under warrantee provisions.
3.5
PROTECTION
A.
Protect installed products until completion of project.
B.
Prohibit traffic on floor finish for 48 hours after installation.
C.
Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION