"What people don't get is the dust is just as dangerous as the liquid," Johnson says, noting that he experienced that himself on one job when he put some bags of sanding dust outside, thinking they would be OK since they were in the shade. Goodyear's tire comparison tool allows you to compare tires side by side by price, warranty, availability and more! For online collaboration to improve the » Rechargeable battery charging time vs. mA current calculator, requests for new units or web tools additions, send your feedback.. VOC levels: Conversion varnish has its own category for VOC laws, with a limit of 725 g/L. Clings – Film can cling to itself following stretching It typically has alcohol as a solvent and cures because of acid catalyzation. WARNING! If you switch to a water based, 2 part (2K) polyurethane, be prepared to change flooring companies/workers. • Because it draws moisture from the air to cure, it is difficult to get it to dry and cure in dry climates. Dura Seal is WORSE than Minwax. Years on market: Varies widely depending on the product. VOC levels: Shellac by itself is so safe that it is still used as a coating for candy, pills and many other items. DuraSeal Polyurethane gives wood floors depth and richness while protecting them from dirt and spills. Cutting edge safety for working at height. By. The seal has definitely been broken on … PRODUCT RANGE • DuraSeal Crimp Splices and Terminals AD-1522-1 Crimp Tool for DuraSeal Splices Ordering Information ... IR-550/ED-7 Heating Tool and Controller IR-550/ED-7-KIT CV1032-000 Parts Description Part No. Unfortunately, these chemical compounds can be highly toxic to people and animals. STIR WELL BEFORE AND OCCASIONALLY DURING USE. NOTE: Application of thicker coats results in extended dry time. • Being alcohol-based, shellac is extremely flammable. Clear Semi-Gloss Water-Based Interior Polyurethane is specially formulated to let wood’s natural beauty shine through. Regulatory Category(s): Varnish, Wood Coating or Conjugated Oil Varnish. When mixed as a wood floor finish with its alcohol solvent, however, VOC levels are around 730 g/L. With either method, the wax hardens and is then buffed with, typically, steel wool or a white pad. Allow to dry overnight for light traffic. NOTE: Do not apply DuraSeal. Depending on the VOC's will depend on how the smell is afterwards. Now You Know. Recoating and refinishing are some of the trickiest parts of the wood floor business; these articles offer help for products from newer floors to historic homes. Application: The directions for these finishes are specific to each product. If it's between 100–140 degrees, it's combustible. Regulatory Category(s): Regulated for VOC content under Consumer Products rules in the "Wood Floor Wax" category. Here's a summary of the basic finish types found in the modern wood flooring world. In the wood flooring industry it was, and remains, most often used as a sealer coat. If you experience eye watering, headaches, or dizziness, increase fresh air or wear respiratory protection (NIOSH/MSHA TC23C or equivalent) or leave the area. 4.0 out of 5 stars 4. • Extremely fast-drying—you can usually coat over it in 15 minutes.• Because it re-dissolves itself, a problem in one coat can be eliminated with the next coat. Immediately place rags, steel wool, other waste soaked with this product, and sanding residue in a sealed, water-filled, metal container. • Lacquer has an extremely low flash point (the temperature at which it will ignite when exposed to a source of ignition, like a pilot light), and is even more flammable than shellac, so it must be used with great caution (all the same precautions about pilot lights, etc., apply to lacquer). Wash hands after using. DuraSeal™ A Durable Heat-Resistant, Solvent-Proof Laboratory Stretch Film. Share on Facebook. Allow to dry for 30 days before replacing furniture and rugs. Clear Semi-Gloss Water-Based Interior Polyurethane Varathane 1 Gal. Polyurethane will have an ambering effect when applied over light colored surfaces. satin vs. semi gloss polyurethane, Will there be a difference in gloss and durability when applying finish coatings with a high-speed buffer instead of a roller or mop? *SETAFLASH is a registered trademark of Stanhope-Seta Limited. "We probably had three or four fires in those metal containers every year, even though they were full of water," he recalls. The liquid form is described by the "pound cut," which is how many pounds are dissolved into one gallon of alcohol. Sealer, Wax Geographic distribution: Still relatively uncommon. Make sure to remove all existing stain and finish. Away from the office, she’s busy enjoying her family, including two beautiful children, a sassy ex-racehorse, an extraordinarily silly black Labrador mutt and her husband, Brent, whom she met at … yes, wood flooring school. Johnson says his first job, as a 14-year-old, was emptying those containers all day. Indirect ventilation is a must. It wasn't always like that. Do not thin. ")• A brittle finish with poor durability.• Not compatible with some finishes and not endorsed by wood floor finish manufacturers for use with their systems.• Most insurance companies will not insure companies that use lacquer finish. • Too much wax on the floor attracts dirt and scuffs easily.• Durability does not compare with urethane-type finishes. What it is: Waterborne finish that cures with a photo initiator instead of a catalyst. Traditional OMU had a VOC level of around 550 g/L, while compliant OMUs have gone down to levels of 450 g/L and 350 g/L. • Extremely flammable, so all pilot lights and other ignition sources must be turned off during use.• Strong odor—after application the job site must be ventilated with as many air exchanges as appropriate. If repairs are necessary, do them after the coating has dried. A “compound” refers to a combination of elements from the periodic table. Regulatory Category(s): Varnish or Wood Coating. She holds degrees from the University of Wisconsin in journalism and Spanish. Some require only one coat, while others need multiple coats. IRRITATES EYES, SKIN AND RESPIRATORY TRACT. • The finishes require purchase of a job-site UV light machine, which starts at $5,000 (and is often much more).• The machine and finish must be paired precisely: Too little light won't cure the finish enough, making it soft; too much light will overcure the finish, making it blister. All pilot lights and other ignition sources must be turned off, any equipment with motors that are not explosion-proof should be kept off, and light switches should not be turned on and off, or the vapors can easily ignite.• Although it doesn't smell, some contractors say it creates a burning sensation in their eyes.• Requires practice to apply without lap lines, especially when using amber shellac.• Durability does not compare with urethane-type finishes. VAPOR HARMFUL. 0 50 100 150 200 250 300 350 400 Time (min) T) Sample#1:140°C Sample#3:140°C Sample#2:140°C 50 mm Cube M esh Box 140°C 130°C 125°C 20 40 60 80 100 120 140 160 180 200 0 50 100 150 200 250 300 350 400 450 500 550 600 Time (min) p t re (° C) 120°C 100°C Sample #1 50mm Cube Mesh-Box: T C =396K Ambient air temp. During the drying process, the finish may appear to have many imperfections. Regulatory Category(s): Varnish or Wood Coating Application: A lambswool applicator or a brush were traditionally used for OMU, but some contractors find rollers or T-bars work better, particularly for VOC-compliant products. STAIN LINE? These finishes can be broken down into further categories, including penetrating oils, which absorb into the wood and leave no surface film; hardwax oils, which contain wax to create some build on the floor; and hybrid oils, which are oils (such as tung oil) combined with urethanes that form a film. One- and two-component versions are available. 100 grit screen. $28.95 ... DuraSeal Polyurethane 350 VOC is a clear oil-based, durable protective finish specially formulated for … There are small pockets of contractors in areas such as Toronto, Chicago, Detroit and some parts of the East Coast, however, who use still use lacquer as a sealer coat. Based in Madison, Wis., she manages the day-to-day operations of the WFB print magazine, website, E-News and social media. Available in Satin, Semi-Gloss and Gloss. TE connectors and sensors are embedded in almost every type of device, where reliable and persistent data, power, sensing, and connectivity are required — even in the harshest environments. The leaves are collected, dried and beaten to loosen the wax, and then the wax is refined. The resin is scraped off tree branches, heated and filtered, then dried into flat sheets that are broken into flakes. I accidentally spilled some wood floor stain on the concrete front steps of my customer's home. Description. When the interior designer suggested stone for this dance floor, the client balked. Keep container closed when not in use. Nonphotochemically reactive. Proceed from step 2 under New Wood Floors. Hmmmmm. Available in three gloss levels: satin, semi-gloss and gloss. "In the bowling alleys, they used to sand the lanes and put down eight coats of lacquer. The manufacturer's directions should be followed for application; typically contractors use a lambswool applicator or a brush. Dispose of in accordance with local fire regulations. Quart: Covers 75-100 sqft Price: $30 VOCs are 4.27lbs per gallon Buy now. • Any direct drafts over the floor during application must be avoided. The dust is so dangerous, in fact, that back when sanding bowling alleys was big business, Brunswick designed metal containers to go on top of sanding machines. Waterborne finish is applied with the usual methods, but once the finish is dry enough to walk on, the machine is run over the floor, bringing the finish to its final cure instantly. FACT: Whether a finish is considered flammable or combustible depends on its flash point, the lowest temperature at which its vapors ignite in air when exposed to an ignition source. Years on market: Some types of lacquer have been used for thousands of years, and the material nitrocellulose was first created in the 1800s. There’s a good chance you will need to replace the battery once or twice during your vehicle’s lifetime. 3500 Single-Hung Window. Loba 2K Supra AT: 130 g/L VOC. Answer: If you want the optimum performance and gloss from a finish coating, applying it with a high-speed applicator (a machine with a rotary head that spins at a minimum of 2,000 rpm) is the way to go. What it is: Shellac has bragging rights as the wood floor finish with the most unusual origin: It's created from a resin secreted by the lac beetle, native to India and Southeast Asia. It draws water vapor from the air to cure.Years on market: Moisture-cure came to the wood flooring market from the bowling lane market in the early '70s. & Today, Johnson does his best to educate wood flooring contractors about the danger of lacquer, particularly the many floors still around that have lacquer sealers on them. A 1,000-Square-Foot Medallion Made for Dancing, https://www.nortonabrasives.com/en-us/markets/floor-sanding?utm_source=Wood%20Floor%20Business, Wood Floor Finish 101: The Lowdown on Today’s Finishes, Safety Lessons from Real Wood Flooring Contractors, A Wood Flooring Timeline: Ancient Times to Today, Q&A: Removing Stain and Finish Spills on Concrete, Trick of the Trade: Is That Stain Really Dry? In case of respiratory difficulty, provide fresh air and call physician. Essentially, it is polyurethane with an oil base in a solvent as the carrier. It's a beautiful finish, but simply not worth it, he says: "The danger outweighs the beauty."—K.M.W. FACT: In very high-humidity situations, moisture-cure finish can begin to dry as the brush is being pulled out of the finish can. Proceed from step 3 under New Wood Floors. Like the movie "Backdraft," when the fumes hit that, the whole place went up." Respond to Rechargeable battery charging time vs. mA current calculator. Available in satin, gloss, and semi-gloss sheens. Ohhhhh dear! It dries so fast, you would put it down, and in an hour you'd buff it with a white pad, so you could spend all day just buffing and coating, buffing and coating. Closing up the home can delay the curing process and prolong the smell in the home. I have Lithium Ion 3.7V nominal voltage, 9.6Ah Nominal Capacity, recommended 1.6 A battery. Apply DuraSeal ® Polyurethane with a brush or lambs wool applicator in thin coats, at a coverage rate of 500 square feet per gallon (750 square feet per gallon for 450 VOC compliant product). stains are made using different base systems that are not compatible and therefore, they should NOT be mixed/boxed. The lower the number the longer it takes to dry, the longer the dry time the longer the smell. Full-body suits are recommended. Wood flooring abounds in modern building construction—from apartments to homes to workplaces. of Rudd Company; Todd Schutte, Bona US; Janet Sullivan, Lenmar; and Mike Sundell, Consultant. The 3500 Single-Hung Window is one of MI's best vinyl windows. Minwax: 350 g/L VOC. Application: T-bars are the longtime applicator of choice for waterborne finishes and are still the most popular, but today many waterborne finishes can also be rolled. Those who work oil based finishes are RARELY trained in water based finishes. 6" Double Cut Carbide Burrs; 60 Degree Double Cut Carbide Burrs Dura Seal: 550 g/L VOC; 450 g/L VOC. Some manufacturers have developed even-lower-VOC products to appeal to consumers with environmental or health concerns. Lacquer is no longer recommended as a wood floor finish, with good reason: Wood floor contractors used to die on a regular basis while using it or sanding it off a floor (sadly, even today there are still occasional deaths from using lacquer). What it is: A wide spectrum of finishes are lumped into this catch-all category because all use a type of natural oil as the base. Sand the floor to bare wood according to NWFA approved methods. Geographic distribution: No specific concentrations of use. For more information, call the National Lead Information Center at 1-800-424-LEAD (in US) or contact your local health authority. Note, however, that this is not endorsed by most waterborne finish manufacturers.• Easy to touch up (buffing with steel wool or a maroon pad and applying more shellac is a simple repair). • Most finish manufacturers will not endorse its use with their finish systems.• Due to its VOC levels, it may not be available in areas with the strictest VOC limits or may be available only in quarts. A wood floor with one of these finishes should be maintained only with the specific product recommended by the manufacturer. Abrade thoroughly using DuraSeal, If desired, additional coats of Polyurethane may be applied. Allow each coat to dry at least 8 hours. FACT: Lead was used as a drying agent in oil-modified poly and stain until its use was banned in coatings due to health concerns in 1978. There have never been more finish options in the wood flooring market than there are today, and probably never more confusion—for both consumers and wood flooring contractors—about which one to choose. The solvent is typically mineral spirits, although some new poly products have water instead. From straight-lay strip to parquet, herringbone and more, these articles offer the 411 on wood floor installation. "Thank God we had fire extinguishers," he adds. I’ve always said one of the most durable (not practical) floor finishes is the polyurethane varnish. Years on market: Shellac has been used as a coating for thousands of years. Lacquer explosions can blow out the windows or even blow a home right off its foundation. It was just my dad and my great-grandfather on the job; they had put down a final coat and were cleaning up," Johnson says, adding that a pilot light on a water heater had been left on. Try to fix it while the finish can begin to dry as the duraseal 350 vs 550 instead of a catalyst some! Birth defects or reproductive harm and came into use for wood floors during drying! Wax on the product and the user, a 3-pound cut of liquid dewaxed shellac is typically.... 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