![]() 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 will reduce 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. LEED/NAHB Compliance Letters and Specification Guide |
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| Application Guidelines |
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 paper will remove most compounds. After scouring, all loose materials must be vacuumed from the surface. Subfloor must be flat to a tolerance of 3/16" in 10'. Grinding concrete floors is recommended over using filling compounds. All filler/leveling compounds must be of Portland base and have a high compressive strength. Concrete Surface Preparation Concrete subfloors must be structurally sound and free of voids and cracks. Make repairs to concrete substrates to remove unsound or deteriorating areas. If needed, apply cementitious patch to any voids or cracks. Allow cementitious repair materials to cure per cementitious manufacturer’s recommendations. Lightweight concrete or gypsum-based subfloors/materials must have Titebond Concrete Primer (or equivalent) applied prior to use of Titebond 531. Follow directions of Titebond Concrete primer (or equivalent) before use. Moisture Content Limitations Gold Warranty Only: On-grade 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 12lbs./24hours/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: A Calcium Chloride Test must be completed and recorded PRIOR to using the Titebond 531 for the Gold Warranty to be obtained. Concrete with greater than 12 lbs. of emission should be allowed to dry out before applying any floor covering unless terms of the Platinum Warranty have been met. No moisture testing is required 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. 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 two minutes. Once Titebond 531 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. Minimum required coverage is 4 mils wet film thickness (400 sq. ft. per mixed gallon unit; 100 sq. ft. per mixed quart unit) for Gold Warranty and 6.5 mils wet film thickness (250 sq. ft. per mixed gallon unit; 62 sq. ft. per mixed quart unit) for Platinum Warranty. 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 be used from a pan also. 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. Clean-up Fresh coatings and tools can be cleaned with mineral spirits. Follow solvent manufacturer’s directions when working with solvents and other flammable materials. Curing Time Flooring may be installed over the 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. For questions, call Franklin Technical Service at 1-800-347-4583. Storage/Shelf Life Store in a clean, dry environment above 60 °F. Shelf life is one year from date of manufacture. Warranty Please read Knowledge Base article 100527 for warranty information. |
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| Caution Statement | 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. | ||||||||||||||||||||||||||||||||||||||
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| Important Notice: Our recommendations, if any, for the use of this product are based on tests believed to be reliable. Since the use of this product is beyond the control of the manufacturer, no guarantee or warranty, expressed or implied, is made as to such use or effects incidental to such use, handling or possession or the results to be obtained, whether in accordance with the directions or claimed so to be. The manufacturer expressly disclaims responsibility therefore. Furthermore, nothing contained herein shall be construed as a recommendation to use any product in conflict with existing laws and/or patents covering any material or use. | |||||||||||||||||||||||||||||||||||||||
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