Owner's Manual for ROBERTS models including: 6399 Firm Set Transitional Pressure Sensitive, 6399, Firm Set Transitional Pressure Sensitive, Transitional Pressure Sensitive, Pressure Sensitive

6399 PDS ENG M2025-12558

PRESSURE SENSITIVE

vor 21 Stunden — DESCRIPTION. ROBERTS 6399 is a very aggressive, high-tack transitional adhesive that installs like a pressure sensitive adhesive but firms as it cures to ...

Technical Data Sheet

ROBERTS - 6399 FIRM SET TRANSITIONAL PRESSURE SENSITIVE ADHESIVE – East Bay Supply Co.


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Roberts 6399 Pressure Sensitive PDS 02.2025 ?v=1751377790
6399

FIRM SET TRANSITIONAL
PRESSURE SENSITIVE

Powered by Microban® for superior mold and mildew protection.

1. DESCRIPTION ROBERTS® 6399 is a very aggressive, high-tack transitional adhesive that installs like a pressure sensitive adhesive but firms as it cures to form a permanent bond. ROBERTS 6399 can be used for wet-set or pressure sensitive installations making it suitable for different installation needs across a wide array of resilient floor types and carpet tiles. ROBERTS 6399 offers excellent plasticizer, pH and moisture resistance to withstand extreme environmental conditions. With superior shear strength, ROBERTS 6399 will perform under heavy rolling loads and in all traffic conditions.
Features and Benefits · Compatible with a wide range of resilient and carpet tiles · Flexible installation methods ­ Wet Set and Pressure Sensitive · Maximum moisture tolerance of 99% RH / 12lb MVER · Superior shear strength
· Ideal for environments with heavy traffic or rolling loads · Durability with reduced floor movement · Easy to use and easy to clean · Apply with a trowel or roller · Spreads opaque white and dries clear · Includes green tracers · Powered by Microban® for superior mold and mildew protection · FloorScore* and CRI Certified · LEED v4 contributing: CDPH v1.2
Approved Flooring Types

Recommended Trowel and Coverage Rate*
1/16" x 1/16" x 1/16" (1.5 mm x 1.5 mm x 1.5 mm) SQ Notch Flooring (porous substrate): LVP, LVT, VCT, vinyl sheet flooring, rubber sports flooring, natural cork, rubber underlayment and carpet tile Coverage: 125-185 ft2/per gallon (11.6-17.1 m2/per 3.78 L)
1/16" x 1/32" x 1/32" (1.5 mm x .79 mm x .79 mm) U Notch Flooring (non-porous substrate): LVP, LVT, and cork underlayment Coverage: 185-260 ft2/per gallon (17.1-24.1 m2/per 3.78 L)
Short Nap Roller (3/8") (9.5 mm) Flooring (non-porous substrate): Non-Porous Flooring Type: LVP, LVT, VCT, carpet tile and cork underlayment Coverage: Up to 250-350 ft2/per gallon (23.2-32.5 m2/per 3.78 L)
* NOTE: The trowel notches referenced are those typically recommended for the type of flooring being installed, and are referenced as a guide. Coverage rates will vary depending on trowel type, substrate and installation conditions. Consult flooring manufacturer for their specific trowel recommendations.

LVP (Luxury Vinyl Planks)

LVT (Luxury Vinyl Tile)

VCT (Vinyl Composition Tile)

Vinyl-backed carpet tiles

Vinyl sheet goods

Other Approved Flooring Types: rubber (tile and sheet), stair treads rubber & vinyl), carpet cushion to substrate, cork-backed hard surface, cork flooring, cork underlayment

Approved Substrates

Concrete

APA-rated plywood

Terrazzo

VCT (properly prepared)

Radiant-heated subfloors (surface temperature < 85°F Sheet vinyl (properly prepared) excluding self stick

Association-approved particle board

Other Approved Substrates: Cork underlayment, OSB (oriented strand board), Ceramic tile (properly prepared), Cement backerboard(primed), Gypsum(primed)

99% RH
UP TO 12 LBS.
M V E R 12

For floorings and backings not listed, contact Technical Services at (706) 277-5294.

PRESSURE SENSITIVE

MOISTURE

TRANSITIONAL RESISTANCE

SHELF LIFE
2 YEARS

LIFETIME
WARRANTY *
*Based on installation by an industry certified installer

Roberts Consolidated Industries, Inc. · robertsconsolidated.com Roberts Company Canada, Ltd. · robertsconsolidated.com/ca

6399

2. TECHNICAL DATA

Product Type: Acrylic Polymer Blend

Color:

Off white with green tracers

Odor:

Very mild

Permanent (Wet-Set) Method

Open Time: Up to 20 minutes

Working Time: Up to 40 minutes

Releasable (Full-Tack) Method

Tack Time: Up to 60 minutes

Working Time: 12 hours
Setup time will vary slightly based on trowel notch, temperature, humidity, moisture and porosity of substrate.

Curing Time: 24 -48 hours

Traffic:

Residential: 0 min (PSA) 12 hours (semi-wet) Commercial: 4 hours
Rolling Loads: 24 hours

pH:

Must not exceed 12

Shelf Life:

2 years from date of manufacture when stored in the original unopened container in a controlled environment. Does not require thinning

Storage:

While this product is freeze-thaw stable, it is necessary to protect it from freezing. Freeze/thaw stable to 20°F (-6.7°C).

VOC:

<1 g/L

3. INSTRUCTIONS
Limitations · For interior installations only
· Not intended for use as a moisture mitigation system, see flooring manufacturer for any RH limitations for their respected products. Do not install in areas with known hydrostatic moisture problems or pH imbalances (pH tolerance 6-12)
Preparation Concrete substrate must be dry (within tested moisture tolerance of flooring and adhesive product). Subfloors most be clean, structurally sound and within flat and level tolerance of manufacturer. All substrates must be free of substances such as paints, oils, epoxies, old adhesive residues, etc. that might inhibit the bond of the adhesive or the performance of the flooring or its installation. All substrate cracks, chips, holes, joints or high spots must be adequately repaired. Patching compounds must be suitable for the use application, cement-based and polymer-modified, and applied according to the manufacturer's instructions.

Installation
Maintain a consistent temperature and ambient relative humidity before, during and after installation (between 65-85°F and 30-50% ambient RH). Follow all industry standards and flooring manufacturer's recommendations for floor flatness, acclimation and application of flooring materials. Spread adhesive uniformly onto the substrate using a trowel (see trowel panel for recommendations). Adhesive trowel ridges should be well defined, consistent and achieve full coverage of the substrate. Observe appropriate open time.
When installing over a porous substrate: place flooring into semi-wet adhesive for a permanent bond or allow adhesive to dry and become tacky to the touch for a releasable bond.
When installing over non-porous substrate: always allow adhesive to completely dry and become tacky before placing flooring. Once adhesive field has reached appropriate tack, install the floor covering into the adhesive field.
Roll the floor covering with a weighted roller per manufacturer's specific guidelines.
Post installation: Restrict moving of heavy objects for 24 hours.
Clean-up
Fresh adhesive ­ warm, soapy water on a clean cloth.
Dried adhesive ­ use mineral spirits sparingly with a clean, white cotton cloth. DO NOT POUR DIRECTLY ONTO FLOORING.

4. AVAILABILITY USA

4 G Plastic Pail 1 G Plastic Pail

6399-4 6399-1

CANADA

56.78 L Plastic Pail 6399RB015

3.78 L Plastic Pail 6399RB004

075378639947 075378639916
075378063995 075378639916

5. WARRANTY Roberts Consolidated Inc. offers a limited-product warranty on this product when installed in accordance with the printed specifications.
LIMITED WARRANTY: 10-Year limited bond warranty provided the product was properly applied within its applicable shelf life and in accordance with: (a) ROBERTS Product Data Sheet specifications and (b) governmental regulations, codes and standard industry practices, (c) and flooring product manufacturers' guidelines for the specific floor covering installed.
LIMITED-LIFETIME WARRANTY applies only for installations performed by industry-certified professional installers. Visit robertsconsolidated.com or call (866) 435-8665 for warranty detail.

6. TECHNICAL SERVICES For technical assistance or installation questions not covered in this document, please contact our Technical Services Department at (706) 277-5294 U.S.A. / (905) 791-4444 Canada

ROBERTS® and the e® logo are registered trademarks of Roberts Consolidated Industries, Inc. · Q.E.P.® is a registered trademark of Q.E.P. Co., Inc. LEED® and its related logo, is a trademark owned by the U.S. Green Building Council® · Microban® is a registered trademark of Microban Products Company.
*FloorScore applies to US products only.

Roberts Consolidated Industries, Inc. 300 Cross Plains Blvd, Dalton, GA 30721
Customer Service: (866) 435-8665 Technical Support: (706) 277-5294
robertsconsolidated.com

Roberts Company Canada, Ltd. 34 Hansen Road, Brampton, ON L6W 3H4
Customer Service: (866) 435-8665 Technical Support: (905) 791-4444
robertsconsolidated.com/ca

M2025 12557



References

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