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Titebond 531 Moisture Control System


Titebond® 531 Moisture Control System solves the challenges of moisture transfer from concrete subfloors to wood flooring by reducing the transmission rate of moisture. The system consists of two pre-measured components that are mixed together to form a coating that is applied to the concrete surface. The easy-to-use formula reduces the moisture vapor transmission rate from concrete subfloors by 75%-90% depending on the coat weight and coverage per sq. ft. applied of Titebond 531.

When used as directed with recommended Titebond wood flooring adhesives, Titebond 531 is fully-warranted. It dries fast, is tack-free overnight, has a low odor and eliminates the need for bead blasting or other inconvenient measures. In addition, it helps reduce the potential for mold and mildew growth caused by subfloor moisture. Titebond 531 provides the professional installer with a cost-effective, convenient system designed to reduce concrete subfloor moisture in wood flooring installations.

  • Reduces moisture transmission by 75%-90%
  • Mold and mildew resistant
  • One coat coverage
  • Comprehensive warranty applies with proper adhesive use

Revised February 2014

  • Pre-measured portions to ensure proper mixing ratios

  • Gallon size covers 400 square feet for gold warranty or 250 square feet for platinum warranty

  • Quart size covers 100 square feet for gold warranty or 62 square feet for platinum warranty

  • Easy to mix and apply

  • Less expensive than vinyl moisture barriers

  • 10-year residential warranty; 5-year commercial warranty

  • Cure time is approximately 4-6 hours at 70°F

  • Adhesion promoter

Titebond 531 Mixture:    :   Type: Urethane Calculated VOC mixture: 98 g/L Color : Clear Weight/gallon : 8.59 lbs. Solids : 97% Mix ratio by volume: 100:80 Viscosity mixed: 340 cps. Mix ratio by weight: 100:69 Tack Free Time: 4-6 hours 70°C Pot life at 25°C: 30 min. Storage life : 1 year in tightly closed container  :    :    :   Resin (Part A):   Hardener (Part B):   Weight/gallon : 9.18 lbs. Weight/gallon : 8.24 lbs. Viscosity : 260 cps. Viscosity : 800 cps. Color : Clear Color : Amber VOC: 103 g/L VOC: 84 g/L Flashpoint : 105-110°F Flashpoint : 120°F
Subfloor Preparation

All substrates must be clean, dry, structurally sound, properly cured and free of dirt, oil, paint, old adhesive, wax, sealers and curing agents. General scouring with 20 grit or #3 1/2 open-coat sandpaper will remove most compounds. All loose materials must be vacuumed from the surface after scouring. For installation of wood flooring products (engineered, solids, bamboo and laminate and resilient floors), the subfloor must be flat to a tolerance of 3/16” in a 10’ radius. Hollow spots, popping spots and squeaks are related to unevenness in the subfloor. This product is for concrete subfloors only. Grinding of concrete floors is preferred over the use of filling compounds. If filling/flattening compounds are used, they must be Portland-based cementitious material and have a compressive strength equal to or greater than 3000 psi when cured. Use of Titebond 531 PLUS over light weight concrete and all gypsum-based materials requires the use of an approved concrete primer prior to application of 531 PLUS. Remove all existing base, shoe molding and door thresholds prior to continuing the installation.

For the installation of resilient flooring products (vinyl, VCT, rubber tile, LVT, etc.), apply Titebond 531 PLUS. After it has cured, apply a ¼ inch thick layer of Portland-based cementitious material (with a compressive strength equal to or greater than 3000 psi when cured) to create a porous substrate. Follow cementitious materials manufacturer’s recommendations for application of 531 PLUS.

Titebond 531 PLUS may be used on above-grade applications and on all substrates listed in this specification guide.


Mixing Directions

DO NOT THIN. DO NOT HAND MIX. Begin mixing both components in the Part A pail using a power mixer (e.g. 1/2” drill and paint or plaster paddle). Mix thoroughly for three minutes. Once Titebond 531 PLUS is completely mixed, the working time is 30 minutes. The portions are pre-measured to assure optimal performance. DO NOT MODIFY OR ESTIMATE.


Application Directions

Apply Titebond 531 directly to a clean and dry surface. Apply with a 3/8” nap roller immediately after mixing. Pour a “wet-line” approximately 3” wide the length of the room and spread with a roller. The product may also be used from a pan. Avoid excessive pressure on the roller so that an adequate amount of material will be spread. Excessive pressure will thin the material application. For best results, when using gallon size, divide the area into 4 sections and use 1/4 of the mixed product in each section. Do not extend the coverage as this will result in a voided warranty. Working time is 30 minutes once completely mixed.


Application Conditions

For best results, do not apply Titebond 531 when the temperature is below 65°F. Temperatures below 65°F may lead to increased curing time. Additionally, applications below 65°F are subject to a phenomenon known as “blushing”, which is an oily or waxy coating that can cover Titebond 531. If blushing occurs, it must be wiped with a solvent and allowed to dry. Follow solvent manufacturer’s directions when working with solvents and other flammable materials. Do not apply Titebond 531 if temperatures exceed 100°F. Applications exceeding 100°F will result in the product curing too quickly, which may jeopardize the quality of the bond to concrete.


Curing Time

Flooring may be installed over Titebond 531 after the product is tack free or about 4-6 hours at 70°F. Be aware that temperatures below 65°F may increase curing time. Do not attempt to install flooring over Titebond 531 after 72 hours. If installation is delayed beyond 72 hours, the subfloor must be lightly abraded using a buffer. Clean the floor thoroughly before applying adhesive.


Cleanup

Fresh coatings and tools can be easily cleaned with mineral spirits. Follow solvent manufacturer’s directions when working with solvents and other flammable materials.


Moisture Content Limitations: Gold Warranty Only: All applications are subject to moisture and should be tested for moisture prior to installation. Titebond 531 should be used on all concrete substrates where a calcium chloride reading is below 12 lbs./24 hours/per 1000 square feet. Concrete subfloors with a reading over 12 lbs. must be allowed to dry out prior to using Titebond 531. Do not install Titebond 531 on below-grade installations. There are no moisture content limitations when terms of the Platinum Warranty have been met. Refer to warranty section for complete details.

Moisture Testing: Gold Warranty Only: All applications are subject to moisture and should be tested for moisture prior to installation. Moisture testing must be completed and recorded PRIOR to using the Titebond 531 for the Gold Warranty to be obtained. Concrete subfloor that exceeds 12 lbs./1000 sq. ft./24 hours per a Calcium Chloride Test (ASTM F1869) or 85% relative humidity (RH) when tested with an in situ probe (ASTM F2170) should be allowed to dry out before applying Titebond 531 unless terms of the Platinum Warranty have been met. Do not install Titebond 531 on below-grade installations. There is no moisture content testing or limitations when terms of the Platinum Warranty have been met. Refer to warranty section for complete details.

Ventilation:Titebond 531 contains solvent. Positive cross ventilation is required at all times. Extinguish all pilot lights and flames prior to mixing or applying.

  • Do not install on below-grade installations

  • Do not apply below if temperatures exceed 100°F

  • Do not install flooring over Titebond 531 after 72 hours

  • Not to be partially mixed - follow the recommended directions
WARNING. COMBUSTIBLE LIQUID AND VAPOR. VAPORS HARMFUL. Contains xylene. Keep away from heat, sparks, flame and other combustible materials. Use only with positive cross ventilation. Maintain ventilation until solvent dissipates. Do not use in confined areas. Use this product only if adequate ventilation can be used and maintained. Avoid breathing vapors. High vapor concentrations are irritating to the nose, throat, and respiratory system. Prolonged or repeated overexposure to solvents in product can cause central nervous system, peripheral nervous system, eye, skin, liver, kidney or respiratory system effects. Causes eye and skin irritation. Causes eye and skin irritation. May be absorbed through the skin. May cause allergic skin reaction. Harmful if swallowed. As when working with any solvent based material, appropriate personal protective equipment, including gloves, should be worn. FIRST AID: If dizziness or respiratory difficulty occurs, remove to fresh air. Seek medical attention if breathing difficulty continues. If swallowed, do not induce vomiting. Seek medical attention immediately. If eye contact occurs, flush eyes with water for 15 minutes and consult physician. For skin contact, wash with soap and water. Seek medical attention if irritation persists. For additional information, refer to Material Safety Data Sheet. KEEP OUT OF THE REACH OF CHILDREN. FOR PROFESSIONAL USE ONLY.
Part No.SizeWeight(lbs.)UPCCase UPCUnits Per PackagePackages Per Pallet
12851.0 Mixed Quart 3.67037083012859100370830128561120
12861.1 Mixed Gallons13.2303708301286610037083012863132
WARRANTY INFORMATION — GOLD WARRANTY
Coverage Rate Gold Warranty: 4 mils wet film thickness (400 sq. ft. per mixed gallon unit; 100 sq. ft. per mixed quart unit)
Statement of Gold Warranty: Franklin International (Franklin) warrants to its immediate commercial purchaser for resale (Purchaser) that, for a period of 10 Years for residential applications, or for 5 Years from the date of installation for commercial applications, engineered wood flooring products covered by a valid subfloor moisture warranty that are installed with Titebond Urethane Wood Flooring Adhesives on a concrete subfloor that has been treated with the Titebond 531 Moisture Control System (the Product), will be free of the following moisture related problems due to moisture from the concrete subfloor: cupping, buckling, surface discoloration and release from the subfloor. In addition, Franklin warrants that mold and mildew will not grow on the Product itself for a period of five years after installation.
Obtaining Warranty Performance If Purchaser believes that the above warranty has been breached, Purchaser must promptly notify Franklin International at 2020 Bruck Street, Columbus, Ohio 43207 Attn: Construction Products Technical Service Department. Telephone: 1-800-347-4583. Purchaser must provide its name, address, telephone number, address of the installed Product, identification of the specific Product used, evidence of date of purchase of Product, name and address of installer of Product, results of calcium chloride moisture test performed at time of installation of Product and a statement of its complaint regarding the Product. At Franklin’s request Purchaser shall obtain access to the premises where the Product was installed to enable Franklin or its agents to inspect the installation or shall make reasonable amounts of the affected flooring and/or Product available for Franklin’s inspection. Verification of existing subfloor moisture conditions at the affected site by way of a calcium chloride moisture test may also be required by Franklin. In the event Franklin determines that the above warranty regarding moisture related problems has been breached, upon Franklin’s request, Purchaser will obtain and furnish to Franklin two written estimates from reputable flooring installers regarding the cost of repairs. Franklin will approve one estimate and authorize Purchaser to proceed with repairs by the approved installer. Franklin reserves the right to refuse any estimate and to identify acceptable installers. It is a condition of obtaining warranty performance that repairs be approved in writing by Franklin prior to the time they are made. Franklin will reimburse Purchaser for costs Purchaser actually incurs for labor and materials necessary to repair or replace one time the affected area(s) of the installed wood flooring by the approved installer. In the event Franklin determines that the above warranty regarding mold and mildew resistance of the Product itself has been breached, Franklin will, at its option, replace the affected Product or refund the price paid by Purchaser for the affected Product.
Exclusions from Coverage The above warranty does not apply if: (1) all instructions regarding preparation for, installation and use of the engineered wood flooring products, Titebond Urethane Wood Flooring Adhesives, and Product are not strictly followed; (2) the Product is used for below grade installations; (3) proper job site pre-inspection, installation and maintenance procedures are not followed; (4) the concrete subfloor is not clean, flat, free of debris and structurally sound; (5) the concrete subfloor is not free of visible moisture including darkening of concrete, standing water and condensation, and/or moisture content of concrete subfloor is or becomes greater than 12 lbs. per a Calcium Chloride Test or 85% RH when tested with an in situ probe; (6) the property of the installation does not have proper drainage; (7) moisture related problems are related to flooding, leakage, topical moisture, improper ventilation, improper maintenance or cracks in the subfloor or foundation; or (8) problems arise due to defects in the wood flooring, or misuse or abuse. Further, the Product is not intended for mold or mildew abatement.
Limitations To the extent permitted by law, the obligations set forth above are Franklin’s sole obligations and Purchaser’s exclusive remedies and, except as set forth above, Franklin makes no other warranties concerning the Product whatsoever. FRANKLIN DISCLAIMS AND EXCLUDES ALL OTHER EXPRESS WARRANTIES AND ALL IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE CONCERNING THE PRODUCT. Franklin’s obligations shall be Purchaser’s sole and exclusive remedy against Franklin for any liability with respect to the Product whether any claim for recovery is based upon or arises out of theories of contract, negligence, tort (including strict liability) or otherwise and that IN NO EVENT SHALL FRANKLIN BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES, including, without limitation, loss of income, loss of time, loss of sales, claims asserted by Purchaser’s customers, injury to personal property or injury to any person. This warranty is made only to Purchaser and is not transferable.

WARRANTY INFORMATION — PLATINUM WARRANTY
Coverage Rate Platinum Warranty: 6.5 mils wet film thickness (250 sq. ft. per mixed gallon unit; 62 sq. ft. per mixed quart unit)
Statement of Platinum Warranty: Franklin International (Franklin) warrants to its immediate commercial purchaser for resale (Purchaser) that, for a period of 10 Years for residential applications, or for 5 Years from the date of installation for commercial applications, engineered wood flooring products covered by a valid subfloor moisture warranty and solids up to 5/8” thick, 5” wide and 4 ft. in length and bamboo products that are installed with recommended Titebond Wood Flooring Adhesives on a concrete subfloor that has been treated with the Titebond 531 Moisture Control System (the Product), will be free of the following moisture related problems due to moisture from the concrete subfloor: cupping, buckling, surface discoloration and release from the subfloor. In addition, Franklin warrants that mold and mildew will not grow on the Product itself for a period of five years after installation.
When terms of the Platinum Warranty have been met (application of the product at the above specified coat weight) there are no moisture content limitations and no moisture testing is required. For installations of solid and bamboo products, Titebond 821 Premium or Titebond 771-Step are the required adhesives.
All other terms, requirements, exclusions and limitations of the Gold Warranty apply to the Platinum Warranty.
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