Guide to common masonry stains

Guide to common
masonry stains
HARDSCAPE CLEANERS & PROTECTION
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PROSOCO.COM
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TABLE OF CONTENTS
New construction staining
Excess mortar ............................................4
Rust.............................................................5
Job dirt/Dust/Mud/Clay...............................5
Green vanadium..........................................6
Brown manganese.......................................6
White efflorescence.....................................7
White scum.................................................7
Oil and grease.............................................8
Acid burn....................................................8
Lime run.....................................................9
Restoration staining
Stains,
stains, go
away...
Need help removing a stain from concrete
& masonry? That’s where PROSOCO can
help. We have a catalog of effective and
easy-to-use products to help clean an
expansive range of stains. Our highly
trained customer care team and field
representatives are your best resources for
stain identification. Wherever the job, we’re
here to help you make your project look its
best.
GUIDE TO COMMON MASONRY STAINS
2
Graffiti.......................................................10
Oil and grease...........................................10
Algae/Lichen.............................................11
Copper stains.............................................12
Water repellent blush................................12
Carbon stain..............................................13
Silicone sealant bleed................................14
Asphalt and tar.........................................14
Hard water deposits..................................15
Paint ....................................................16-17
Stain removal chart..............................18-19
Protective treatments
Siloxane PD...............................................20
Siloxane WB Concentrate..........................20
Blok-Guard & Graffiti Control II...............20
Natural Stone Treatment WB Plus............20
Blok-Guard & Graffiti Control Ultra.........21
Saltguard WB............................................21
SL100........................................................21
SLX100......................................................21
Notes....................................................22-23
CUSTOMER CARE 800-255-4255 // PROSOCO.COM
3
New construction
Excess mortar
Description – Mortar
smears or droppings on
the face of masonry or
surrounding materials.
Cause – Excess mortar is
dropped or smeared
onto the face of the
masonry or surrounding
materials during
placement and allowed
to cure.
Mortar smears on brick
Removal – Test Sure Klean 600 on red brick with gray mortar;
test Sure Klean Vana Trol on colored brick, brick with colored
mortar, sandstones, flagstones, slate, limestone, marble,
travertine and unpolished granite; test Light Duty Concrete
Cleaner on concrete brick or smooth-faced concrete block; test
Custom Masonry Cleaner on textured concrete block; and test
Heavy Duty Concrete Cleaner on standard gray concrete or
block. Follow label instructions. For surrounding non-masonry
surfaces, contact Customer Care for recommendations.
Prevention – Protect non-masonry with tarp, plastic, plywood or
other suitable cover to minimize soiling. Cleanup droppings
and smears during placement before curing. Mortar residues
on new masonry clean most effectively within 14–28 days of
installation. Smears left longer result in a more difficult clean
down. Cleaning high-strength mortar/grout within seven days
improves results.
Never go it alone. For
problems or questions,
contact your local
PROSOCO distributor or
field representative. Or
call PROSOCO
Customer Care toll-free
at 800-255-4255.
Rust
Description – Red, orange
or brown staining on
the face of the substrate
itself or concentrated
along the edges of the
substrate.
Cause – Rust staining
originates from ferrous
metals adjacent to
or embedded in the
Rust on fired brick
substrate. Reacting
with air, water, salts and some cleaning compounds, such
metals oxidize to produce superficial rust staining or stains
that are deeply embedded.
Removal – Apply Sure Klean Ferrous Stain Remover, Sure Klean
800 Stain Remover or Sure Klean Light Duty Restoration
Cleaner per label instructions to remove superficial staining.
Deeply embedded staining is difficult to remove and may
reappear as substrates continue to dry. Contact PROSOCO for
recommendations to remove deeply embedded stains.
Prevention – Protect wall cavities from rainwater during
construction. Prevent moisture from getting to metal near the
substrate by covering with plastic. Protect the substrate with
the appropriate Sure Klean Weather Seal or Stand Off water
repellent.
Job dirt, dust, mud and clay
Description – Contaminants
from the job site during
construction, usually
dirt, red mud, mud and/
or mild atmospheric
staining.
Cause – Stains collect
on surfaces due to
construction, wind, rain
or work by other trades.
Mud on brick
Removal – Most job dirt can be removed with water via a hose or
pressure washer. More stubborn stains can be removed using
Enviro Klean 2010 All Surface Cleaner. Red clay mud stains
can be cleaned with Sure Klean Light Duty Restoration Cleaner.
Follow label instructions.
Prevention – Substrates can be protected with a tarp, plastic,
plywood or other suitable cover to minimize soiling. Spread hay
or straw near the base of the wall to reduce mud splashes or
mortar droppings.
GUIDE TO COMMON MASONRY STAINS // NEW CONSTRUCTION
4
GUIDE TO COMMON MASONRY STAINS // NEW CONSTRUCTION
5
New construction
Green vanadium
Description – Yellow, green,
green/brown or purple
stains in the heart of
light-colored brick units
common in new or watersaturated construction.
Cause – A form of
efflorescence, watersoluble vanadium salts
dissolve in rainwater,
Green vanadium on light brick
construction water
or muriatic acid and
migrate to the surface upon drying. As the surface water
evaporates, colorful salts form on masonry surface to create
unsightly stains.
Removal – Let masonry dry thoroughly. Apply Sure Klean 800 Stain
Remover following label instructions.
Prevention – Protect wall cavities and brick cubes from rain during
construction. Let masonry dry thoroughly before cleaning
with Sure Klean Vana Trol -- the original proprietary masonry
cleaner developed to control vanadium staining. Protect the
cleaned bricks with Weather Seal Siloxane PD or Siloxane WB
Concentrate.
Brown manganese
Description – Tan, brown
or gray staining
concentrated along
mortar joints of brown,
gray or other manganesecolored brick.
Cause – A form of
efflorescence, manganese
dioxide dissolved in
rainwater, construction
water or muriatic acid
Brown manganese on brick
migrates to the surface
upon drying. As water evaporates, manganese reacts with the
alkaline mortar joint to create an unsightly brown stain.
Removal – Let masonry dry thoroughly. Apply Sure Klean 800
Stain Remover following label instructions.
Prevention – Remove job dirt and excess mortar from bricks prone
to manganese staining using Sure Klean Vana Trol. Protect
wall cavities and brick cubes from rain during construction.
Let masonry dry thoroughly before cleaning. Protect the
cleaned bricks with Weather Seal Siloxane PD or Siloxane WB
Concentrate.
GUIDE TO COMMON MASONRY STAINS // NEW CONSTRUCTION
6
White efflorescence
Description – Loose,
powdery surface
salt deposit that
disappears when wet
and may reappear
as drying continues.
Seasonal.
Cause – Water-soluble
salts dissolved
in rainwater,
construction water or
groundwater migrate Efflorescence on brick
to the surface upon
drying. As the surface water evaporates, white crystalline salts
form on the surface.
Removal – Let the substrate dry thoroughly. Test Sure Klean 600
on red brick with gray mortar; test Sure Klean Vana Trol on
colored brick, brick with colored mortar, sandstones, flagstones,
slate, limestone, marble, travertine and unpolished granite; test
Sure Klean Light Duty Concrete Cleaner on concrete brick or
smooth-faced concrete block; test Sure Klean Custom Masonry
Cleaner on textured concrete block; and test Sure Klean Heavy
Duty Concrete Cleaner on standard gray concrete or block.
Follow product label instructions.
Prevention – Protect wall cavities and brick cubes from rain during
construction. Let masonry dry before cleaning. Protect the
cleaned surfaces with Weather Seal Siloxane PD or Siloxane WB
Concentrate.
White scum
Description – Uneven white
or gray stain on brick
face or mortar joints.
Often appears as vertical
run marks. Does not
disappear when wet.
Cause – Inadequate preWhite scum on brick
wetting or rinsing when
cleaning with muriatic
acid or other acidic solutions. Portland cement mortar dissolved
by the acid is absorbed by the dry wall surface to produce
insoluble silicate salts commonly referred to as “scumming.”
Removal – Use Sure Klean White Scum Remover following label
instructions.
Prevention – Clean with the appropriate Sure Klean new brick
cleaner.
GUIDE TO COMMON MASONRY STAINS // NEW CONSTRUCTION
7
New construction
Oil and grease
Description – A viscous
liquid derived from
petroleum, or an
oily or fatty liquid
on or in the surface
causing discoloration
or darkening of the
substrate.
Before removal
After cleaning
Cause – Typically appears
in areas where vehicular Oil on concrete
traffic or construction
equipment has been parked or driven. Stains also can be from a
ruptured hydraulic hose on a fork lift. Also appears where food
has been prepared or consumed.
Removal – Before cleaning, let the masonry dry thoroughly. To
clean the surface, use Enviro Klean 2010, Consolideck Cleaner/
Degreaser, Sure Klean Asphalt & Tar Remover or Sure Klean
Fast Acting Stripper. For embedded stains, use Stand Off Oil &
Grease Stain Remover. Follow label instructions.
Prevention – Protect the surface with plastic, plywood or other
suitable surface to minimize staining. Stand Off SLX100 can be
applied to protect substrate. Stand Off Stone, Tile & Masonry
Protector can also be used.
Lime run (carbonate staining)
Description – Hard white
or gray surface crust
concentrated along a
mortar joint or running
down from a hole or
fine separation crack
between brick and
mortar joints. Does not
disappear when wet.
Cause – Water deposited
or collected in the wall Lime run on brick
during construction or
as a result of inadequate waterproofing dissolves water-soluble
calcium compounds. Over a long period of time, the water
migrates through openings in the wall surface. As the water
evaporates, the dissolved calcium reacts with the atmosphere
and crystallizes to produce a hard calcium carbonate crust on
the masonry surface.
Removal – Carefully remove as much of the crust as possible
using wooden scrapers. Then use Sure Klean Custom Masonry
Cleaner or Heavy Duty Concrete Cleaner following label
instructions. Repeated controlled applications and agitation
may be required.
Prevention – Protect wall cavities from rainwater during
construction. Clean with the appropriate Sure Klean new
construction cleaner. Protect the cleaned masonry surfaces
with Weather Seal Siloxane PD or Siloxane WB Concentrate.
Acid burn
Description – Uneven yellow
or gold stain on brick
face and in mortar joints.
Stained areas may also
exhibit severe etching or
mortar discoloration.
Cause – Cleaning with
muriatic acid. Acid and
impurities in the acid
Acid burn on brick
are rapidly absorbed
by porous masonry
and cannot be thoroughly water-rinsed. As the acid attacks the
bricks and mortar, soluble and insoluble salts are mobilized to
create unsightly stains.
Removal – Test Sure Klean 800 Stain Remover on brick; test Sure
Klean Light Duty Concrete Cleaner on concrete and block; test
Sure Klean Custom Masonry Cleaner on concrete and block; and
test Sure Klean Heavy Duty Concrete Cleaner on standard gray
concrete and block.
Lime run and calcium deposits on brick
Prevention – Clean with the appropriate Sure Klean new
construction cleaner.
GUIDE TO COMMON MASONRY STAINS // NEW CONSTRUCTION
8
GUIDE TO COMMON MASONRY STAINS // NEW CONSTRUCTION
9
Restoration
Algae/Lichen
Graffiti
Description – Writing
or drawings that
have been marked,
scratched or illicitly
sprayed on a substrate.
Common tools used are
permanent markers,
spray paint, etc.
Cause – Intentional use
of spray or markers to
deface a substrate.
Before removal
After cleaning
Graffiti on brick
Removal – Several products can be used based on substrate and
graffiti type: Defacer Eraser Graffiti Wipe, Sure Klean Fast
Acting Stripper, Sure Klean Heavy Duty Paint Stripper, Enviro
Klean SafStrip and Enviro Klean SafStrip 8. Follow label
instructions.
Prevention – Surfaces are easier to clean when treated with
Sure Klean Weather Seal Blok-Guard & Graffiti Control, Sure
Klean Weather Seal Blok-Guard & Graffiti Control 15, or Defacer
Eraser Sacrificial Coating SC-1.
Oil and grease
Description – A viscous
liquid derived from
petroleum, or an
oily or fatty liquid
on or in the surface
causing discoloration
or darkening of the
substrate.
After cleaning
Cause – Typically
Before removal
appears in areas
where vehicular
Oil on Concrete
traffic or construction
equipment has been parked or driven. Stains also can be from a
ruptured hydraulic hose on a fork lift. Also appears where food
has been prepared or consumed.
Before
Description – Biological
removal
growth that can be
green, gray, black,
red, orange or brown.
Found most often on
limestone, marble,
concrete, mortar or
After cleaning
other surfaces that
contain calcium.
Algae and lichen
Biological staining on limestone
may completely cover
surfaces that are frequently or continuously wet.
Cause – Biological growth thrives when moisture and a food
source -- such as calcium carbonate or organic matter -coincide on portions of buildings that are not exposed to
constant sunlight.
Removal – Depending on the severity of the staining, Enviro
Klean ReVive and
Enviro Klean ReKlaim
are made to remove
biological soiling
following label
instructions.
Prevention – Protect
cleaned masonry with
the appropriate Sure
Klean Weather Seal
or Stand Off water
repellent.
Biological staining on limestone at
the Douglas County Courthouse in
Lawrence, Kan.
Never go it alone. For
problems or questions,
contact your local
PROSOCO distributor or
field representative. Or
call PROSOCO
Customer Care toll-free
at 800-255-4255.
Removal – Before cleaning, let the masonry dry thoroughly. To
clean the surface, use EK 2010, Consolideck Cleaner/Degreaser,
Sure Klean Asphalt & Tar Remover or Sure Klean Fast Acting
Stripper. For embedded stains, use Stand Off Oil & Grease Stain
Remover. Follow label instructions.
Prevention – Protect the surface with plastic, plywood or other
suitable protection to minimize staining. Apply Stand Off
SLX100 or Stone, Tile & Masonry Protector to prevent absorption
of oil and grease stains.
GUIDE TO COMMON MASONRY STAINS // RESTORATION
10
GUIDE TO COMMON MASONRY STAINS // RESTORATION
11
Restoration
Copper stains
Description – Black, green
or greenish-blue stain
surrounding adjacent
or embedded coppercontaining (copper,
brass, bronze) metals.
Cause – Exposure to
atmospheric elements
causing oxidation of
the architectural metals
containing copper.
Copper staining on concrete
Water mobilizes the
staining from adjacent
metals and transfers it to the substrate. Oxidation of embedded
metals migrates to the surface as the substrate dries.
Removal – Remove surface copper staining with Sure Klean Light
Duty concrete Cleaner, Sure Klean Light Duty Restoration
Cleaner or Sure Klean 800 Stain Remover. Remove deeply
embedded copper stains with Sure Klean 515 Copper Stain
Remover. Follow label instructions.
Prevention – Protect metals containing copper with appropriate
sealer to limit weathering exposure. Protect adjacent masonry
with appropriate Sure Klean Weather Seal or Stand Off water
repellent.
Water repellent blush
Description – Curtain
streaks, white patchy
residue, or tacky
residue on the masonry
surface.
Cause – Overspray, overapplication or failure
of water repellent
emulsions to properly
cure after application.
Removal – Use Sure Klean
Water repellent blush
Dicone NC 9 or Dicone
NC 15 Gel. Follow label instructions.
Carbon stain
Description – Stain is
Before removal
usually dark brown,
gray or black. On
acid-resistant silicate
surfaces (sandstone,
granite, brick, terra
cotta) exposed to heavy
pollution, carbon
After
stains may obscure
cleaning
the entire surface.
On acid-sensitive
Carbon staining on limestone
carbonate surfaces
(limestone, marble, travertine), carbon stains accumulate in
carved recesses that are not exposed to rain washing.
Cause – Staining is due to pollution created by current or past
burning of fossil
fuels -- coal, oil,
gasoline, etc. This
leaves a sticky,
water-resistant
film over the face
of the substrate.
Airborne pollutants
adhere to the film
and accumulate
progressively on
the surface. On
acid-sensitive
Carbon staining on brick
carbonate
surfaces, acid rain
erodes carbon
accumulation from projecting elements, leaving such surfaces
with pronounced streaking. In severe cases, calcium sulfate
crusts form in carved recesses, weakening the underlying stone.
Removal – PROSOCO offers several substrate-specific products.
Select the product best suited for your substrate and conditions
from the following: Enviro Klean SafRestorer, Enviro Klean
Restoration Cleaner, Sure Klean Light Duty Restoration
Cleaner, Sure Klean Restoration Cleaner, Sure Klean Heavy
Duty Restoration Cleaner, Sure Klean Heavy Duty Restoration
Cleaner NE and Sure Klean 766 Limestone and Masonry
Prewash followed by Sure Klean Limestone and Masonry
Afterwash. Follow label instructions.
Prevention – Keep moisture out of the substrate by protecting it
with the appropriate Sure Klean Weather Seal or Stand Off
water repellent. Reduce the sensitivity of carbonate substrates to
acid rain with Conservare HCT.
Prevention – Choose the appropriate Sure Klean Weather Seal water
repellent. Follow application instructions, control the rate of
application and avoid overspray.
GUIDE TO COMMON MASONRY STAINS // RESTORATION
12
GUIDE TO COMMON MASONRY STAINS // RESTORATION
13
Restoration
Silicone sealant bleed
Description – Dark or light
bands on either side of
soft silicone joints. Seen
most often in natural
stone or concrete panels.
Cause – Non-drying silicone
oils from the sealant joint
leach into the adjacent
stone, concrete or
masonry substrate. Light
Silicone residue on block
bands result when the
leached oils repel water. Dark bands result when the leached oils
attract airborne particulate.
Removal – Remove the sealant causing the stain. Replace with
new sealant which is proven to be non-bleeding. Prime as
recommended by the sealant manufacturer. Use Sure Klean
Dicone NC 9 or Sure Klean Dicone NC 15 Gel to remove residual
staining. Depending on the severity and depth of staining,
repeated applications may be required. Follow label instructions.
Prevention – Many silicone sealant manufacturers recommend joint
primers to prevent or minimize silicone sealant bleed. Choose
a high-quality, non-bleeding sealant. Follow manufacturer’s
installation instructions.
Hard water deposits
Description – A hard,
gray or white deposit
in and on the surface
of masonry. At ground
level, the stain pattern
often reflects how
the base of the wall is
wetted with landscape
irrigation systems.
Similar stains are
also seen on surfaces
Hard water deposits on brick
in close proximity to
water-cooling towers or water-treatment facilities.
Cause – Contamination of masonry surfaces by accidental
exposure to water sources that contain a high mineral or salt
content. As the water evaporates, insoluble crystalline deposits
form on the face of contaminated surfaces.
Removal – Use Sure Klean 1261 Hard Water Deposit Remover.
Follow label instructions.
Prevention – Divert sprinkler heads away from the masonry
surface. Protect masonry from rain or waterborne
contaminants with the appropriate Sure Klean Weather Seal
product.
Asphalt and tar
Description – Black or dark
brown stains or tacky
films.
Cause – Staining can occur
from road/parking lot
construction or repair;
roof construction or
repair; or below-grade
waterproofing.
Tar on brick
Removal – Sure Klean
Asphalt & Tar Remover
and Sure Klean Fast Acting Stripper are the recommended
products. Follow label instructions.
Hard water deposit removal from granite
Prevention – Cover the adjacent substrates with protective films or
sheets during construction.
GUIDE TO COMMON MASONRY STAINS // RESTORATION
14
GUIDE TO COMMON MASONRY STAINS // RESTORATION
15
Restoration
the surface for repainting. Paint may adversely affect the ability of
the underlying surface to dry, resulting in staining or premature
deterioration.
Cause – Most paint is intentionally applied to alter the appearance,
weathering resistance or performance of the underlying substrate.
Accidental exposure occurs when paint is being applied to adjacent
or overhead surfaces.
Paint
Description – Fluidapplied films of varied
composition, color and
texture applied to the
underlying substrate. It is
often necessary to remove
paint films to restore
the substrate’s original
appearance, execute
needed repairs or prepare
Removal – Enviro Klean SafStrip, Enviro Klean SafStrip 8, Enviro
Klean Safety Peel 1, Sure Klean Heavy Duty Paint Stripper, Sure
Klean Fast Acting Stripper and Defacer Eraser Graffiti Wipe can be
used following label instructions.
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Description
Acrylic
Acrylics are used in high-performance solvent or waterbased paints and coatings. They are most commonly found in
concrete sealers, cure and seal products, floor finishes, vertical
and horizontal paints, etc.
Alkyd
Alkyds are synthetic resins based on oils used in a lot of
older architectural coatings. Today, alkyd paints are mostly
used as interior trim paints or combined with acrylics or
polyurethanes for exterior use.

Polyurethane
Polyurethane paints and coatings come in either one or two
parts, water or solvent-based, and dry to very hard, durable,
chemical-resistant films.
  
Epoxy
Epoxy paints and coatings come in either one or two parts,
water or solvent-based, and dry to very hard, durable,
chemical-resistant films. Used primarily in floor coatings.
  
Spray paint
(Enamel)
Spray paint is typically made from acrylic or polyurethane
resins that dry to a very hard durable finish. Used as markings
for utilities, designated areas, stenciling letters, etc., or for
illicit graffiti tagging.
    
Elastomeric
Elastomeric wall coatings are generally acrylic latex paints designed to be
applied in very thick films (about 10 times as thick as regular paints) that
are tough and flexible, and stretch as cracks underneath open and close.
They are used on masonry surfaces like concrete, stucco and concrete
block, as well as wood and metal.
   
GUIDE TO COMMON MASONRY STAINS
16
Envir
o Kle
Paint/Coating type
Strip
Reminder: A test panel should be conducted on all coatings
that need to be stripped to determine the most appropriate
product and dwell time. The table below is to be used as a
guideline as to which products to try on each type of coating.
8
Prevention – Protect adjacent masonry with protective films or sheets,
drop cloths or other protective materials prior to painting.
   
GUIDE TO COMMON MASONRY STAINS
17
Masonry stain removal
Stain
Product
Brown manganese
800 Stain Remover
Ferrous Stain Remover
Acid burn
800 Stain Remover
Lime run
Custom Masonry Cleaner
Heavy Duty Concrete Cleaner
Green vanadium
800 Stain Remover
Job dirt/dust
Vana Trol 2010 All Surface Cleaner White scum
White Scum Remover
Paint
Fast Acting Stripper
Heavy Duty Paint Stripper
Safety Peel 1
SafStrip
Asphalt, tar, oil
Cleaner/Degreaser
Asphalt & Tar Remover
Rust
Ferrous Stain Remover
800 Stain Remover
Light Duty Restoration Cleaner
Algae, lichen
ReKlaim Copper
800 Stain Remover
Limestone Restorer
Silicone sealants
Dicone NC9
Mud
Restoration Cleaner
Light Duty Restoration Cleaner
Custom Masonry Cleaner
2010 All Surface Cleaner
Hard water deposit
1261 Hard Water Deposit Remover
Custom Masonry Cleaner
Efflorescence
600
Safety Klean
Light Duty Concrete Cleaner
Vana Trol
Oil and grease
Asphalt & Tar Remover Cleaner/Degreaser
Graffiti -- Unprotected surface
Fast Acting Stripper
SafStrip 8
Graffiti -- Protected surface
Graffiti Wipe
Always test to ensure desired results and proper dilution where appropriate.
GUIDE TO COMMON MASONRY STAINS // MASONRY STAIN REMOVAL
18
600
Safety Klean
Vana Trol
SafStrip 8
ReVive
515 Copper Stain Remover*
Dicone NC15 Gel
SafStrip 8
* Special order only. Call 800-255-4255 for more information.
GUIDE TO COMMON MASONRY STAINS // MASONRY STAIN REMOVAL
19
Protective treatments
Weather Seal
Siloxane PD (Predilute)
is a ready-to-use, water-based
silane/siloxane water repellent for
concrete and most masonry and
stucco surfaces. Siloxane PD will
not impair the natural breathing
characteristics of treated surfaces.
It helps masonry resist cracking,
spalling, staining and other damage
related to water intrusion.
Weather Seal
Siloxane WB
Concentrate
is a concentrated water repellent
designed for dilution with fresh
water at the job site. This solventfree blend of silanes and oligomeric
alkoxysiloxanes mixes easily with
water to produce a penetrating
water repellent ideal for application to dense or
porous masonry surfaces.
Weather Seal
Blok-Guard &
Graffiti Control Ultra
is a clear, solvent-based silicone
elastomer formulated to
weatherproof concrete block and
other porous masonry materials.
Blok-Guard & Graffiti Control
Ultra protects masonry surfaces
from repeated graffiti attacks without
altering the natural appearance.
Consolideck
Saltguard WB
is a ready-to-use, water-based, VOCcompliant silane/siloxane water
repellent and “chloride screen”
for the protection of concrete and
masonry. Saltguard WB protects
horizontal and vertical surfaces
from moisture intrusion and
chemical attack of chloride salts.
Weather Seal
Weather Seal
Blok-Guard
& Graffiti Control II
is a clear-drying, waterbased silicone emulsion for
weatherproofing concrete block
and other porous masonry
materials. Blok-Guard & Graffiti
Control II protects interior and
exterior masonry surfaces from graffiti attacks
without altering the natural appearance.
Weather Seal
Natural Stone
Treatment WB Plus
is a water-based water
repellent for limestone, marble
and travertine that delivers the
same performance as solvent-based
products, without the drawbacks of
traditional water-based treatments.
GUIDE TO COMMON MASONRY STAINS // PROTECTIVE TREATMENTS
20
SL100
Protects vertical concrete and
masonry surfaces against water
and waterborne contaminants.
The small molecular structure
ensures maximum penetration and
colorless protection of dense, colorsensitive surfaces.
Stand Off
SLX100 Water
& Oil Repellent
Combines water and oil repellency
on most substrates to prevent
staining by waterborne and oily
substances. This modified “neat”
silane system offers invisible
protection and low volatility.
GUIDE TO COMMON MASONRY STAINS // PROTECTIVE TREATMENTS
21
Let beauty and value endure
Whether it’s brand new or centuries old, let the
beauty — and value — of your masonry endure with
PROSOCO’s other products for cleaning, protecting and
maintaining concrete, brick and stone.
Guide to common
masonry stains
Defacer Eraser products
It’s a fact – rapid removal is the key to eliminating graffiti.
PROSOCO’s Defacer Eraser line is the key to rapid removal.
Graffiti practically slides off surfaces treated with Defacer
Eraser graffiti removers and protective treatments.
Weather Seal products
HARDSCAPE CLEANERS & PROTECTION
Give your vertical and horizontal concrete and masonry
deep, long-lasting protection against salt attack, water
penetration and more.
You. Us. The project.
800 255 4255
Stand Off tile and stone care products
PROSOCO.COM
The value of stone or ceramic tile surfaces drops with
every ground-in bit of grease, grime, food, oil or other
contaminant that besmudges it. Water penetration, and its
destructive freeze-thaw cycle, ruins expensive masonry.
Keep those enemies at bay with Stand Off products.
Sure Klean new construction cleaners
New construction cleaning makes all the difference in the
appearance of a new building. Safely strip excess mortar, job
dirt, efflorescence and other staining from new masonry
surfaces.
Consolideck lithium silicate floor hardeners
Concrete floors are harder, denser and shinier when treated
with Consolideck LS or LSGuard. Easy to apply with a
brush, roller or spray, these products require no scrubbing
or flushing. Great for decorative concrete or utility gray.
R-Guard air- and water-resistive barriers
3741 Greenway Circle • Lawrence, KS 66046
800 255 4255 • prosoco.com
use these links to learn more about PROSOCO
CPG06 © PROSOCO 04-2015
Keep destructive air and water from leaking into wall
assemblies during construction and for the life of the
building. Structural, breathable, durable and continuous,
R-Guard products drive energy bills down and moldresistance up!
About us
Our website
Email us
You. Us. The project.
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800 255 4255
PROSOCO.COM
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