QuartzLock Grout for Wet and Outdoor Applications
A Pre-Mixed, Ready to Use, Flexible Grout that
is Resistant to Stains
By Mark J. Donovan
is a Pre-Mixed, ready to use, Urethane grout that is ideal for wet area
applications such as in bathrooms and outdoor applications. It can even be used
in submerged applications such as in hot tubs. It can be used with a variety of
tile products including ceramic tile, natural stone, glass and porcelain tile,
and can support grout lines from 1/16th to ½ inch in width.
QuartzLock grout is a semi-flexible grout that resists cracking and shrinking.
Due to these properties it maybe also useful in tile jobs where the subfloor has
some minor deflection in it.
is available in about a dozen different colors and will not fade, streak or
shade, even in wet applications.
To use QuartzLock grout you simply need to gently stir it with a margin trowel.
You can use a drill mixer, however only mix it the grout at a low speed for
about 30 seconds. Any longer, an you may introduce air bubbles into the grout
which could lead to sag after the grout is applied.
QuartzLock grout, first make sure the tiles have firmly set up and that the
tiles have been sealed (if porous or natural stone tiles) and cleaned first. The
temperature should be around 70 to 75 degrees Fahrenheit when applying the
grout. Apply the QuartzLock grout to the tiles just like any other grout. Use a
firm edge rubber grout float and work the grout in between the tiles by running
the grout float over the tile seams at a 45 degree angle. Remove excess grout by
pulling the float edge diagonally across the tile seam.
Clean the grout
off of the tiles as you work. After applying QuartzLock grout to a 10-12 foot
square area, use a bucket of clean water and a well rung-out sponge to clean off
the surface of the tiles. Make sure you leave no water in the grout lines. After
every 100 square feet get a fresh bucket of water.
Let the grout set up for 24 hours and assess if another pass at cleaning the
tile is necessary. If a second cleaning is required, first apply a film remover
to the tile using a cleaning pad. Then use a damp sponge and a bucket of clean
water to wipe the tiles down again. Finally wipe down the tiles with a clean and
Allow up to 72 hours before allowing heavy foot traffic. Full curing of the
QuartzLock grout can take up to 28 days depending upon the width and depth of
the grout lines.
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