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How does BONE DRY seal concrete?
Sodium silicate products have been used to seal concrete for years.
The sodium silicate constituent in Bone dry reacts with the calcium
hydroxide present in all concrete, a result of the hydration (curing)
process. The result of this chemical reaction is calcium silicate
hydrate, which fills the small pores and hairline cracks to permanently
seal the concrete internally.
Why does BONE DRY work better
than other so called penetrating sealers?
The secret to effectively sealing concrete with any silicate based
material is to get the silicate to access as much of the free
lime and alkali present within all concrete. BONE DRY contains
a proprietary blend of 16 different enzymes and surfactants, which
act as a catalyst to facilitate truly deep penetration of the
material. Tests conducted have shown BONE DRY to penetrate
as deep as 8 inches.
Will your product have any effect
on the design properties that the Engineer or Architect has stipulated
for this floor?
Yes, absolutely. As you may know, calcium hydroxide is a by-product
of the concrete curing process and serves no useful purpose in
the cured concrete. When the silicate constituent of the BONE DRY reacts with the calcium hydroxide, it forms calcium
silicate hydrate which is the same material that gives the concrete
matrix its strength.
How is BONE DRY applied?
For large areas, low pressure airless spray equipment is very
effective.
For medium sized jobs, a simple hand pumped garden type sprayer
can be used.
For very small jobs you can use a spray bottle.
Due to the low viscosity of the material, we do not recommend
applying with a brush or roller.
How long do I have to wait before
I can walk on the concrete slab after BONE DRY has been
applied?
You can work on the slab immediately after the second
application of water. This creates minimal downtime on your job.
Are there any temperature minimums
or maximums for the concrete?
Yes. BONE DRY should be applied to clean, damp concrete
at temperatures ranging from above freezing (40 degrees recommended)
up to a maximum of about 100 degrees for a minimum 24 hour period.
If the concrete is exposed to freezing temperatures within the
72 hour period after the BONE DRY application, the material
will crystallize within the concrete, but after it thaws, the
chemical reaction will continue where it left off when it froze.
Concrete that is hot to the palm of the hand should first be cooled
with fresh water and the concrete should be allowed to dry to
at least a damp condition before applying BONE DRY. This
will prevent the water vehicle of the material from evaporating
before it can penetrate into the concrete.
Are there any minimums for the ambient
air?
The air temperature should not drop below freezing for at least
72 hours during and after the application of the BONE DRY.
The misting water should be kept from freezing.
Does the water that is sprayed on
have a temperature requirement?
Normal tap water can be used to mist the floor before applying
BONE DRY and to mist the floor after the application. Chlorinated
water has no adverse effect on the chemical reaction.
Is BONE DRY compatible with
all of the floor mastics for both carpet and Armstrong™
VCT?
Yes, BONE DRY is compatible with all types of mastics and
adhesives.
How soon after the concrete is
poured/finished may your product be applied?
BONE DRY can be applied immediately after the finishing
operations have been completed.
After applying your product, and
spraying it with more water, how soon can people walk on it?
The floors can be walked on immediately after (and even during)
the application of BONE DRY. One precaution however, is
that the BONE DRY will dry out any leather goods.
What effect does temperature play
with respect to how well the BONE DRY will work?
As sealing concrete with BONE DRY is a chemical reaction,
one could expect that this process would be retarded by cold and
freezing temperatures. Although the reaction may take somewhat
longer in cold temperatures, the resultant seal will be every
bit as effective as when the material is applied during average
temperatures.
Will the product work faster or
create a dryer slab if the temperature is above a certain threshold?
“Room temperature” would be ideal and the product
will work a little faster under these conditions; but no, the
concrete will not be dryer. The BONE DRY has a voracious
affinity for the calcium hydroxide and will find it regardless
of the temperature; aside from freezing, as we explained above.
Is it okay for your product to be
stored in freezing temperatures?
Although we don’t recommend it and we advise against storing
BONE DRY in freezing temperatures, if the material does
freeze, its potency will not be affected. Simply allow the material
to thaw and agitate to ensure that the contents achieve a homogenous
mix.
If any of your product is accidentally
sprayed on adjacent surfaces/materials what if any is the negative
effect?
I realize that it is probably advantageous to apply your material
prior to other construction items being installed, but this may
not always be possible.
- Concrete Masonry Units (concrete
block)
No problem
- Brick or Stone
Possibly a white deposit will occur if the material is allowed
to dry. While the material is still wet, simply rinse with fresh
water.
- Gypsum Board
Slight overspray will not affect the gyp board; however, if
a significant amount of material is sprayed on the board, a
white deposit will occur. Allow the material to dry and brush
the “powder” off.
- Aluminum Store Front or Aluminum
Break Metal
Yes, BONE DRY will etch aluminum and glass. Shield or
mask these surfaces to protect them from any overspray. If some
material does get onto the aluminum or glass, wash the surface
immediately with a wet rag to remove.
- Sealants or Caulking
No adverse reactions between any caulking or sealants are known.
- Brass Floor Drains
Since brass is a relatively soft metal, like aluminum, BONE DRY will likely tarnish brass surfaces.
How is BONE DRY packaged?
BONE DRY is packaged in 5 gallon pails and 55
gallon drums. 5 gallons covers 750sf.
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