StarQuartz, QuartzLock2 Urethane Grout
Please Note: Samples are not available for this product. To order a brochure including color swatches, click here.
Revolutionary pre-mixed, self-sealing, stain-free grout
QuartzLock2 Urethane Grout is a next-generation eco-friendly grout technology that makes grouting tile easier, safer and more long lasting. Quartzlock2 is a non-toxic urethane which is low odor (when wet) and odorless upon curing. QuartzLock2 comes pre-mixed and ready-to-use in either a 9 lb. or 18 lb. bucket. (The one and two gallon buckets will not be 100% full. This is normal). Use it on all ceramic, porcelain and natural stone tile indoors or outdoors and even in submerged applications. Once applied, the grout cures to a very hard, self-sealed, semi-elastic finish which results in a colorfast grout that's resistant to chemicals, stains, mold and mildew. Plus, QuartzLock2 won't shrink or crack.
TIP1: For successful application, instructions must be read and followed to the T. Please read to your contractor. No exceptions. The biggest mistake is to not clean with fresh water during application. We suggest using 4-5 buckets of fresh water and changing the water every 3-5 minutes during cleanup. Reusing dirty water will produce grout haze. It must be clean or the urethane will be left and cure on the surface of the tile.
TIP2: Don't overmix. There will be a big lump of solid product in the bottom of the container with liquid on top. Mix only by hand for 20-30 seconds just until mixed. We do not recommend using a drill. Mixing with a drill can cause the consistency to become too runny.
TIP3: Don't use any acidic cleaners including vinegar for at least a week after this product cures as it will damage the grout. Once cured neutral pH cleaners work best.
TIP4: How to remove grout haze. Follow Tip #1. QuartzLock2 offers a proprietary cleaner called Blaze which is recommended. See the accessories tab.
QuartzLock2 Urethane Grout is a great replacement/upgrade to epoxy, cement and pigment-based grouts. Unlike epoxy grout, it's much easier to apply and clean up; unlike pigment-based grout, there's no risk of incorrect mixing. Quartzlock2 comes pre-mixed and can be used a little at a time as needed. With epoxy grout, you must use the entire amount or it cures in the bucket. It also requires special sponges and clean up. The real bonus, however, is that QuartzLock grout never has to be sealed!
QuartzLock2 can be used for indoor or outdoor, commercial or residential, wet or dry and horizontal or vertical applications. It requires no water and it won't sag in vertical applications (as long as it is properly mixed) and won't dust. It's UV stable and non-allergenic; plus leftover grout can be saved for later use instead of being thrown in the dump.
Please Note: QuartzLock2 is NOT made to withstand temperatures higher than 140°F.
This is an encapsulated product in which the sand component (crystalline silica) is bound in a polymer matrix. The sand contained in QuartzLock2 cannot be inhaled under conditions of intended product use.
How much do you need? See the coverage chart on page 4 of this guide.
On the Installation and Coverage Chart, the 9 lb. unit corresponds to the 1-gallon size; the 18 lb. unit corresponds to the 2-gallon size.
For glass and metal tile, we recommend the use of StarGlass Grout, also by StarQuartz.
Why we like it
Forget dirty stained grout lines. Forget mold and mildew. Forget sealing your grout. One application and you are done forever.
If you've ever used an epoxy grout, you know how hard it is to apply and clean up. This innovative non-staining grout removes all the pain and adds some great features. Contractors love this and you will too.
Features & benefits
- High-performance — semi-flexible, non-sag, crack-resistant, low shrinkage, covers 1/16" to 1/2" grout lines
- Fast, easy installation — installs up to 50% faster than other grouts
- Superior durable finish — non-fading, self-sealing, stain-resistant
- Long open time — sets up after four hours so there is no rush (in normal temperatures)
- Easy-to-use — DIY; pre-mixed, water cleanup
- Great colors — 40 colors; non-fading, UV stable
- Non-toxic — no BPA or NMP as found in epoxy grouts; low odor, ultra low VOC
- Safe — for everyone, including the chemically sensitive; learn how to test a non-toxic product for tolerance
- Eco-friendly — ultra low VOC; contains recycled content
Alert: Warning! Do not use vinegar or acid-based cleaners as they will weaken the grout during the curing process.
State Nexus Fee may apply
A state nexus fee will be applied to this item if drop shipped to the following states:
Alabama, Alaska, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Louisiana, Maine, Maryland, Massachusetts, Mississippi, Missouri, Montana, New Hampshire, New Jersey, New Mexico, New York, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Virginia, Wisconsin. We're sorry for the inconvenience. Click here to read more about the state nexus fee.
This item description was written by Joel Hirshberg
|Residential Finish Wear|
|Commercial Finish Wear|
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|LEED® Regional Materials Zip Code|
|Interior or Exterior||Interior, Exterior|
|Use On Material||Tile, Tile: Ceramic, Tile: Glass, Tile: Natural Stone, Tile: Porcelain|
|Use On||QuartzLock Grout can be used in grout joint widths from 1/16” to 1/2” on vertical or horizontal surfaces in both interior and exterior installations.|
|Eco-replacement for||Epoxy Grout|
|Chemically-sensitive safe||Yes learn how to test a non-toxic product for tolerance|
|Test before use||Yes, test on inconspicuous area|
|Coverage (1 Coat)||Depends on tile size and joint width - dowload chart|
|Square Feet / Box|| Square Feet|
|Thickness or Height||"|
|Veneer Cut Thickness|
|Boxes / Pallet|| Boxes|
|Square Feet / Pallet|| Square Feet|
|Boards / Box|| Boards|
|Pieces / Box|| Pieces|
|Weight / Box|| Pounds|
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|Number of Colors|| Colors|
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|Roll Length|| '|
|Stitches Per Inch|
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|Tufts per Sq. In.|| Tufts / Sq In|
|Bundles per Pallet|| Bundles|
|Bundles per Square 6" Exposure|| Bundles|
|Bundles per Square 7" Exposure|| Bundles|
|Bundles per Square 7-1/2" Exposure|| Bundles|
|Bundles per Square 8" Exposure|| Bundles|
|Pounds per Bundle|| Pounds|
|Pounds per Pallet|| Pounds|
|Pounds per Roll|| Pounds|
|Pounds per Square|| Pounds|
|Pounds per Square 6" Exposure|| Pounds|
|Pounds per Square 7" Exposure|| Pounds|
|Pounds per Square 7-1/2" Exposure|| Pounds|
|Pounds per Square 8" Exposure|| Pounds|
|Lin Feet per Bundle|| Lin Feet|
|Lin Feet per Pallet|| Lin Feet|
|Rolls per Pallet|| Rolls|
|Squares per Roll|| Squares|
|Tiles per bundle|| Tiles|
|Tiles per Lin Foot|| Tiles|
|Ingredients||download Material Safety Data Sheet (MSDS)|
|VOC Content||38 Grams/Liter|
|Use On Material - Condition||Tile, Tile: Ceramic, Tile: Glass, Tile: Natural Stone, Tile: Porcelain|
|Application Method||float, sponge, trowel|
|Application Temperature Range||Warmer than 55°F|
|Application Instructions||see pdf|
|Surface or Product Preperation||Surface should be clean, dry and oil free|
|Recommended # of Coats||1|
|Re-coat After||as needed|
|Drying Time||open time 4 hours, tack free in 8 hours, foot traffic in 24-48 hours, fully cures in 72 hours. Use accelerator in wet or dry applications to speed up cure time|
|Appearance When Dry||satin finish|
|Cleans Up With||Water, neutral cleaners|
|Storage||Store in cool dry place out of sunlight|
|Recycling or Disposal||Dispose of excess product in accordance with all local state and federal regulations, Do not throw out container unless completely empty. Pour contents onto dry cardboard and let thoroughly dry outdoors. May also be absorbed with cat litter sand or other dry materials|
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|Number of Plys|| -Plys|
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|Shade (1 Light) - (7 Dark)|| |
|Strips / Plank|| -Strips/Plank|
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|Surface Treatment|| |
|Surface Treatment Color|
|Tile Application|| |
|Touch Up Kit|
|Can be indoor?|
|Can be outdoor?|
|Max Gallons Per Minute|| - GPM|
|Max BTU's / Hour|| - BTU's / Hour|
|Multi Control Capabilities|
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|Input Wattage|| W|
|Delivered Lumens|| lm|
|Color Temperature|| K|
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|Equivalent Wattage|| W|
StarQuartz, QuartzLock2 Urethane Grout
Pre-mixed self-sealing grout that's non-toxic, colorfast, stain-proof, water-proof and crack-resistant (new colors)
StarQuartz, QuartzLock2 Urethane Grout
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