Johnsonite BAS-12345-MS80 Resilient Rubber Stair Treads With Riser Instructions

Johnsonite BAS-12345-MS80 Resilient Rubber Stair Treads With Riser

THIS DOCUMENT IS INTENDED AS A SUGGESTED GUIDE FOR CREATING, MODIFYING, OR EDITING YOUR CSI FORMATTED 3-PART ARCHITECTURAL GUIDE SPECIFICATIONS. JOHNSONITE WILL NOT BE LIABLE FOR ANY DAMAGES ARISING OUT OF THE USE OF ANY INFORMATION OR SPECIFICATIONS FOUND IN THIS DOCUMENT. ENSURE THAT YOU HAVE THE LATEST PUBLICATION FOR THIS SPECIFICATION. THE SPECIFIER OR DESIGNER IS RESPONSIBLE FOR PRODUCT SELECTION AND ACCURACY OF ALL PROJECT SPECIFICATIONS, INCLUDING ANY JOHNSONITE INFORMATION OR SPECIFICATIONS USED.

GENERAL

RELATED DOCUMENTS

• Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

SUMMARY

Section Includes:

1. Resilient Rubber Stair Tread with Riser.

SUBMITTALS

• Product Data: For each type of product indicated.
• LEED Submittals:
  1. Product Data for Credit EQ 4.1: For adhesives, including a printed statement of VOC content and chemical components.
• Samples for Initial Selection: For each type of product indicated.
• Samples for Verification: For each type of product indicated, in the manufacturer’s standard-size samples of each resilient product color, texture, and pattern required.
• Product Schedule: For resilient products. Use the same designations indicated on Drawings.

QUALITY ASSURANCE

• Mockups: Provide resilient products with mockups specified in other Sections.

DELIVERY, STORAGE, AND HANDLING

• Store resilient products and installation materials in dry spaces protected from the weather, with ambient temperatures maintained within the range recommended by Johnsonite, but not less than 55 degrees F (13 degrees C) or more than 85 degrees F (29 degrees C).

PROJECT CONDITIONS

• Install resilient products after other finishing operations, including painting, have been completed.
• Maintain ambient temperatures within the range recommended by Johnsonite, but not less than 65 degrees F (18 degrees C) or more than 85 degrees F (29 degrees C) in spaces to receive resilient products during the following time periods:
  1. 48 hours before installation.
  2. During installation.
  3. 48 hours after installation.
• Maintain the ambient relative humidity between 40% and 60% during installation.
• Until Substantial Completion, maintain ambient temperatures within the range recommended by Johnsonite, but not less than 55 degrees F (13 degrees C) or more than 85 degrees F (29 degrees C).

PRODUCTS

RESILIENT RUBBER STAIR TREAD WITH RISER

• Manufacturer: Johnsonite, Inc. 16910 Munn Road
• Chagrin Falls, Ohio 44023 Web: www.tarkettna.com
• E-mail: info@johnsonite.com
• Phone
  • 800-899-8916 440-543-8916
• Tech:
  • Ext 9297
• Samples:
  • Ext 9299
• Fax:
  • 440-543-8920

ENVIRONMENTAL SUSTAINABILITY NOTES

Johnsonite Resilient Rubber Stair Tread with Riser

• Johnsonite offers a RESTART reclamation program for returning jobsite scrap
• Raw materials are phthalate, chlorine and halogen-free
• Possible LEED credit contributions for Stair Treads include MR2, MR4, MR5, and EQ4.3
• SCS FloorScore® Certified and meets California Specifications Section 01350
• Johnsonite facilities are ISO 9001 and ISO 14001 Certified
• For all environmental sustainability information visit ecoScorecard on Johnsonite’s home page at www.tarkettna.com
  • Resilient Rubber Stair Tread: JOHNSONITE RUBBER INTEGRATED STAIR TREAD WITH RISER specify – Rub-ber Integrated Stair Tread and Riser with the following physical characteristics:
  • Manufactured from a homogeneous composition of 100% synthetic rubber.
  • Complies with requirements for ASTM F 2169 Standard Specification for Resilient Stair Treads, Type TS, Class 1 and 2, Group 1 and 2.
  • Hardness: ASTM D 2240 – Not less than 85 Shore A.
  • Abrasion Resistance: ASTM D 3389 – less than 1 gram weight loss.
  • ASTM D 2047, Standard Test Method for Static Coefficient of Friction of Polish-Coated Flooring of 0.6 or greater.
  • ASTM E 648, Standard Test Method for Critical Radiant Flux of 0.45 watts/cm2 or greater, Class I.
  • Integrated tread and riser.
  • Visually Impaired treads meet ADA and are California Title 24 Accessibility requirements.
  • Visually Impaired treads will have 2″ wide co-extruded contrasting color insert or 2″ wide contrasting color grit tape insert.

1. Solid Color Rubber Integrated Stair Tread and Riser

   • For Raised Round surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′
   • Specify (RTR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –
   • Specify ‘Round Pattern’)
   • For Raised Square surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′
   • Specify (RTR –
   •  Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –
   • Specify ‘Square Pattern’)
   • For Hammered surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′
   • Specify (HTR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] )
   • For Diamond surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (CTNR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Bamboo surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (BMTR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Cubis surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (CUTR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Circulinity – Fast Lane surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width includ-ing 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (CFLTR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Rice Paper surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (FRPATR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )

2. Speckled Color Rubber Integrated Stair Tread and Riser

   •   * For Raised Round surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′ [Raised Round Speckled Color is special order – non-returnable]

   • Specify (RTRSP –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –
   • Specify ‘Round Pattern’)
   • For Raised Square surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′
   • Specify (RTRSP –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –
   • Specify ‘Square Pattern’)
   • For Hammered surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′
   • Specify (HTRSP –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] )
   • For Diamond surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (CTNRSP –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Bamboo surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (BMTRSP –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Cubis surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′ [Cubis Speckled Color is special order – non-returnable]
   • Specify (CUTRSP –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Circulinity – Fast Lane surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width includ-ing 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′ [Circulinity – Fast Lane Speckled Color is special order – non-returnable]
   • Specify (CFLTRSP –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Rice Paper surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify (FRPASPTR –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )

3. Visually Impaired Solid Color Rubber Integrated Stair Tread and Riser with Contrasting Color Insert

   • For Raised Round surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert or 2″ contrasting Prima color insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′

   • Specify ([VIRTR for 2″ contrasting color grit tape insert] or [VIRTRS for 2″ contrasting solid color rubber insert] or [VIRTRP for 2″ contrasting Prima color rubber insert] –

   • Specify color by number and name –

   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –

   • Specify ‘Round Pattern’)

   • For Raised Square surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape insert or 2″ wide contrasting solid color rubber insert or 2″ contrasting Prima color insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′

   • Specify ([VIRTR for 2″ contrasting color grit tape insert] or [VIRTRS for 2″ contrasting solid color rubber insert] or [VIRTRP for 2″ contrasting Prima color rubber insert] –

   • Specify color by number and name –

   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –

   • Specify ‘Square Pattern’)

   • For Hammered surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert or 2″  contrasting Prima col-or insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′

   • Specify (HTR –

   • Specify ([VIHTR for 2″ contrasting color grit tape insert] or [VIHTRS for 2″ contrasting solid color rubber insert] or [VIHTRP for 2″ contrasting Prima color rubber insert] –

   • Specify color by number and name –

   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] )

   • For Diamond surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert or 2″ contrasting Prima color insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′

   • Specify ([VICNTR for 2″ contrasting color grit tape insert] or [VICNTRS for 2″ contrasting solid color rubber insert] or [VICNTRP for 2″ contrasting Prima color rubber insert] –

   • Specify color by number and name –

   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )

   • For Bamboo surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape insert or 2″ wide contrasting solid color rubber insert or 2″  contrasting Prima color insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′

   • Specify ([VIBMTR for 2″ contrasting color grit tape insert] or [VIBMTRS for 2″ contrasting solid color rubber insert] or [VIBMTRP for 2″ contrasting Prima color rubber insert] –

   • Specify color by number and name –

   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )

   • For Cubis surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape insert or 2″ wide contrasting solid color rubber insert or 2″ contrasting Prima color insert, tread length 3′, 3.5′, 4′, 4.5′, 5′,
     or 6′ Specify ([VICUTR for 2″ contrasting color grit tape insert] or [VICUTRS for 2″ contrasting solid color rubber insert] or [VICUTRP for 2″ contrasting Prima col-or rubber insert] –

   • Specify color by number and name –

   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )

   • For Circulinity – Fast Lane surface, solid color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape insert or 2″wide contrasting solid color rubber insert or 2″ contrasting Prima color insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′

   • Specify ([VICFLR for 2″ contrasting color grit tape insert] or [VICFLTRS for 2″ contrasting solid color rubber insert] or [VICFLTRP for 2″ contrasting Prima color rubber insert] –

   • Specify color by number and name –

   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )

4. Visually Impaired Speckled Color Rubber Integrated Stair Tread and Riser

   • For Raised Round surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′ [Raised Round Speckled Color is special order – non-returnable]
   • Specify ([VIRTRSP for 2″ contrasting color grit tape insert] or [VIRTRSPS for 2″ contrasting solid color rubber in-sert] –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –
   • Specify ‘Round Pattern’)
   • For Raised Square surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′
   • Specify (RTRSP –
   • Specify ([VIRTRSP for 2″ contrasting color grit tape insert] or [VIRTRSPS for 2″ contrasting solid color rubber insert] –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] –
   • Specify ‘Square Pattern’)
   • For Hammered surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′
   • Specify ([VIHTRSP for 2″ contrasting color grit tape insert] or [VIHTRSPS for 2″ contrasting solid color rubber in-sert] –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, 6′, 7′, 8′ or 9′] )
   • For Diamond surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify ([VICNTRSP for 2″ contrasting color grit tape insert] or [VICNTRSPS for 2″ contrasting solid color rubber in-sert] –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Bamboo surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape in-sert or 2″ wide contrasting solid color rubber insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′
   • Specify ([VIBMTRSP for 2″ contrasting color grit tape insert] or [VIBMTRSPS for 2″ contrasting solid color rubber in-sert] –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Cubis surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape insert or 2″ wide contrasting solid color rubber insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′ [Cubis Speckled Color is special order – non-returnable]
   • Specify ([VICUTRSP for 2″ contrasting color grit tape insert] or [VICUTRSPS for 2″ contrasting solid color rubber in-sert] –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )
   • For Circulinity – Fast Lane surface, speckled color integrated stair tread and riser, 2″ height hinged Square Nose, tapering .210″ to .113″, 20″ overall width including 13″ tread depth with 7″ integrated riser, with 2″ contrasting color grit tape insert or 2″ wide contrasting solid color rubber insert, tread length 3′, 3.5′, 4′, 4.5′, 5′, or 6′ [Circulinity – Fast Lane Speckled Color is a special order – non-returnable]
   • Specify (CFLTRSP –
   • Specify ([VICFLTRSP for 2″ contrasting color grit tape insert] or [VICFLTRSPS for 2″ contrasting solid color rubber insert] –
   • Specify color by number and name –
   • Specify length [3′, 3.5′, 4′, 4.5′, 5′, or 6′] )

INSTALLATION MATERIALS

• Trowelable Leveling and Patching Compounds: Latex-modified, Portland cement based formulation manufactured and warranted by a reputable manufacturer.
• Adhesives: as recommended by Johnsonite to meet site conditions.
  1. Johnsonite 965 Flooring and Tread Adhesive
  2. Johnsonite 946 Premium Contact Bond Adhesive
  3. Johnsonite 975 Two-Part Urethane Adhesive
  4. Johnsonite 996 Two-Part Epoxy
  5. PowerTape kit (Do not use with angled backed stair risers)
• Stair Tread and Nose Filler: Johnsonite #930 Two-Part Epoxy Caulking Compound to fill nosing substrates that do not conform to tread contours.

EXECUTION

EXAMINATION

• Examine substrates, with the Installer present, for compliance with requirements for maximum moisture content and other conditions affecting performance of the work.
• Verify that the finishes of substrates comply with tolerances and other requirements specified in other Sections and that substrates are free of cracks, ridges, depressions, scale, and foreign deposits that might interfere with adhesion of resilient products.
• Proceed with installation only after unsatisfactory conditions have been corrected.

PREPARATION

• Prepare substrates according to the manufacturer’s written instructions to ensure the adhesion of resilient products.

  1. Verify that substrates are dry and free of curing compounds, sealers, and hardeners.
  2. Remove substrate coatings and other substances that are incompatible with adhesives and that contain soap, wax, oil, or silicone, using mechanical methods recommended by manufacturer. Do not use solvents.
  3. Mechanically remove contamination on the substrate that may cause damage to the resilient flooring material. Permanent and non-permanent markers, pens, crayons, paint, etc., must not be used to write on the back of the flooring material or used to mark the substrate as they could bleed through and stain the flooring material.
  4. Prepare Substrates according to ASTM F 710 including the following:

• Moisture Testing: Perform tests recommended by the manufacturer. Proceed with installation only after substrates pass testing.

  1. Perform anhydrous calcium chloride test, ASTM F 1869. Results must not exceed 5 lbs. Moisture Vapor Emission Rate per 1,000 sq. ft. in 24 hours.
     – or –

  2. Perform relative humidity test using in situ probes, ASTM F 2170. Must not exceed 80%.

• A pH test for alkalinity must be conducted. Results should range between 7 and 9. If the test results are not within the acceptable range of 7 to 9, the installation must not proceed until the problem has been corrected.

• Alkalinity and Adhesion Testing: Perform tests recommended by the manufacturer.

Wood steps/substrates:

• The substrate must be rigid, and free of movement.
• Single wood and tongue and groove substrate should be covered with 1/4″ (6.4 mm) or 1/2″ (12.7 mm) APA-approved underlayment plywood.
  1. Use 1/4″ (6.4 mm) thick underlayment panels for boards with a face width of 3″ (76 mm) or less.
  2. Use 1/2″ (12.7 mm) thick underlayment panels for boards with a face width wider than 3″ (76 mm).
• Do not install over OSB (Oriented Strand Board), particle board, chipboard, lauan or composite-type underlayments.
• Fill cracks, holes, depressions and irregularities in the substrate with good quality Portland cement-based underlayment leveling and patching compound and remove bumps and ridges to produce a uniform and smooth substrate.
• Floor covering shall not be installed over expansion joints.
• Do not install resilient products until they are same temperature as the space where they are to be installed.
  1. Move resilient products and installation materials into spaces where they will be installed at least 48 hours in advance of installation.
• Sweep and vacuum clean substrates to be covered by resilient products immediately before installation.

RESILIENT STAIR TREAD AND RISER INSTALLATION

• A. Comply with the manufacturer’s written instructions for installing resilient accessories.
• B. Resilient Stair Tread and Nosing:
  1. Use Johnsonite #930 Epoxy Caulking Compound to strengthen nosing and fill irregularities in substrates to conform to tread nosing.
  2. Tightly adhere to substrates throughout length of each piece.
  3. For treads installed as separate, equal-length units, install to produce a flush joint between units.

CLEANING AND PROTECTION

• Comply with the manufacturer’s written instructions for cleaning and protection of resilient products.
• Perform the following operations immediately after completing resilient product installation:
  • Remove adhesive and other blemishes from exposed surfaces.
  • Sweep and vacuum surfaces thoroughly.
  • Damp-mop surfaces to remove marks and soil.
• Protect resilient products from mars, marks, indentations, and other damage from construction operations and placement of equipment and fixtures during the remainder of the construction period.

END OF SECTION 09.65.13.23

References

• Flooring for Commercial & Residential Spaces in the US | Tarkett

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