CONCRETE STAINPRESENTED BY: ZF CZORA

Description

It is quite different than a wood stain. It is not something you “paint” on the concrete to add layer of color. It enhances the natural look of any concrete substrate as well as providing the long-lasting protection and beauty to both new or old masonry and concrete depending the type and system of stain being used.

Uses:• Horizontal surfaces: - masonry and concrete floors - pool decks, porches and patios - basement and garage floors - asphalt - entrances, sidewalks/walkways and drive-

ways - landscape pavers

• Vertical surfaces: - concrete blocks - stucco walls - precast, poured-in place and tilt-up concrete

- and retaining walls

BEFORE AFTER

Types of Concrete Stain:• Acid Stain – a transparent penetrating

concrete stain which contains a mild acid mixed with mineral salts

• Water-based Concrete Stain – an excellent alternative for concrete not suitable for acid stain

Types of Water based Stains: • Concrete Acrylic Stain – are ideal for coloring just

about any concrete surfaces. • Copolymer dispersion system - Two packed systems • Silicone/silane modified Acrylic stain -This special

resin is combined w/ a water repellant silane and inorganic pigments to ensure long-lasting performance

• Solid Color Stain - a non-reactive, non-acrylic based modified polymer, forms an opaque (solid) breathable finish that requires no sealer.

• Silicate base- can be low-pigmented or opaque, it consolidates the substrate through silicate silicification, produces a mineral matt-finish, like concrete

New Technology:• Infrared Heat reflective Concrete stain – come in a

unique 3- part kit. It is modified polymer, water based color stain which uses specialty infrared reflective pigments.

• Lithium bases Stain – an extremely durable stain based on aqueous dispersion of lithium silicates for concrete and masonry surfaces, it has the ability to penetrate and bond to more dense materials

• Blend of water dispersed polyester polymer and waterborne polyurethane – (new technology by Envirosafe) w/specially formulated ground pigments when dry forms a monolithic barrier that fills the pores and color the concrete at the same time, it seals, and protects

Disadvantages of Acid Stains– colors usually limited to earth tones– contains toxic chemicals– not applicable to any surface that already has a

concrete sealer or curing agents or older concrete surfaces where free lime already leached out

– Surface preparations, application methods and the conditions of the concrete itself will determine the outcome.

– Will highlight inconsistencies like patchwork or filled cracks

Advantages of Acid stains:– Outstanding durability – it surpasses all

other concrete coatings in terms of resistance and long lasting durability. They will not chip, fade, or peel off the surface to which they are applied. Their longevity is even furthered when floors are sealed and/or waxed.

– Creates a variegated or mottled look like marble or any decorative color schemes and patterns

Advantages of WaterBased Concrete Stains:

• since the concrete floors are very porous, the water-based concrete stain are absorbed into the floor, with no need for toxic chemicals.

• Water based stains also create an opaque appearance, thus more forgiving of blemishes

• comes in a wide selection of vibrant colors, more than to of acid stains

• safer alternative of acid stains

Disadvantages of WaterBased Concrete Stains

• Unlike when using an acid based stain, it is necessary to neutralize the surface, because there is no chemical reaction taking place.

• Sealer is recommended which is designed to go with the type of stain

• If staining a smooth surface, acid etching of the surface is necessary to open the pores in the surface of the concrete and reduce alkalinity.

• moisture present in the surface

Products available in Australia • SIM STAIN Simulated Acid stain – water

based non reactive stains ; available in 27 colors and is UV stable for floors and retaining walls

Coverage: 220 –230 sq. ft/gal Distributor: Seal Hard Australia Pty Ltd,

• Kemiko Stone Tone Stain - acid stain for horizontal applications

Distributor: Floor Solution and Preparation

• Noxcrete Products: a. Acryl Pen – a two- packed reactive silane modified

stain and sealer for horizontal and exterior concrete, available in 11 colors

Coverage : 2.5 – 5.0 sq m/li

b. Versacryl – a two- packed system: an opaque colored based component based on methyl methacrylate resin modified w/ water repellent silane and the desired pigment pack. Can be used on both vertical and horizontal concrete. Available in both standard and custom colors

Coverage : 3.7 – 4.9 sq m/li on smooth concrete; 2.5 – 3.7 sq m/ li on rough finished

c. NOX-CARB Stain and sealer – a solvent based penetrating water repellent sealer and stain a 3-packed kit w/ component A based on an acrylic polymer, component b containing organo silane and pigment pack Contains a patented, low molecular weight, water repellent silane additive to minimize water and chloride ion absorption. Specifically designed to protect and beautify vertical exterior cast-in-place, tilt-up and

precast concrete and masonry surfaces Coverage:Typical combined effective coverage rate is 100-400 sft/gal (2.5-10

sm/l). Distributor: A. Reid Construction Systems

B. TILTPRO

• Nawkaw Products:a. NECT- 90 - a hydrous, multiple polymer formulation of resin solids (modified

acrylic latex mixture), color pigments and specially formulated tint bases was created for vertical concrete, masonry, stucco, block-uplifted/fluted and mortar to afford of building owners the ability to change the color of masonry as their needs dictated without recurring maintanance problem.

b. NWRT-91 – has been developed for dual purpose product. It will add any desired color to masonry and repel water from significantly penetrating the vertical masonry surface, and this done w/ one step application process

c. Nawkaw Li-THN – an extremely durable stain and sealer based on aqueous lithium silicate for concrete and masonry surfaces. It has the ability to penetrate and bond to more dense materials. This is a thin base which keeps surface texture from being covered up, while providing vibrant color

Coverage: 400 – 500 sq. ft/gald. Nawkaw Li-THX – thicker version of lithium stain for concrete and masonry

surfaces. It has the ability to penetrate and bond to any concrete or masonry surface and has a paint-like appearance, to hide slight surface details or imperfections

Coverage: 250 – 350 sq. ft/gale. Nawkaw Li-MTX – lithium-based metallic stain for concrete and masonry

surfaces. It has the ability to penetrate and bond to any concrete or masonry surface and has the incredible ability to simulate actual metallic surfaces

Coverage: 250 – 350 sq. ft/gal Distributor: Nawkaw/Reckli Australia

• NewLook Products:a. NL Concrete Color CoolStain- a 3-packed kit mixed w/ clean tap water, polymer

modified, water based, high quality products made especially for with existing, unsealed, interior or exterior concrete surfaces . Uses specialty infrared reflective pigments; the technology results in high solar reflectance and high thermal emittance

Coverage: 250 – 450 sq. ft on 2 applications using the large size kit (946ml each for the 3 bottles)

b. NL WallStain - single component wall coating/stain, non-yellowing acrylic emulsion stain/sealer designed to color, seal and protect concrete masonry surfaces, particularly vertical surfaces

Coverage: approximately 300 sq. ft/galc. Solid Color Stain – modified polymer waterbased penetrating stain made especially for

use with existing unsealed, interior/exterior concrete surface and forms an opaque (solid), breathable finish that requires no sealer. Comes in a 4-pack kit that once mixed and applied, has an extremely tenacious bond. Available in 80 standard colors

Coverage: approximately 350 sq. ft (32 sq m) for the large size kit w/ two applications. Stamped and very porous substrate may yield 250 -350 sq ft w/ 2 applications. Smooth interiors may yield up to 500 sq ft w/ 2 applications

d. NL Translucent color Enhancer – a semi-transparent (non-solid) concrete color stain, designed to be used over the NL Solid Color Stain in a contrasting color. It used to tint or enhance areas of relief or texture, stamped concrete surfaces to create an antique look and also used to create faux finish by bending and layering additional translucent color enhancer colors. It comes in a 3-part kit

Coverage: approximately 300 - 600 sq. ft (28-56m sq m) for the large size kit (16 oz) and the small size kit (4oz) covers approximately 75-150 sq ft (7 - 14 q m

Distributor: Newlook International PO Box 33-563,Takapuna, Auckland

• Keim Concretal-Lasur - low pigmentation sol-silicate based stain coating for all forms of cementitious surfaces to enhance concrete protection, retain texture, improve appearance by unobtrusive color finish; it produces a mineral matt finish like concrete while consolidating the substrate due to silicification

Coverage:for a 2–coat opaque finish; approximately 4sqm/li Concretal-Lasur and 0.04 li Concretal-fixativ

Application: can be sprayed, brush or roll to continuous wet edge Cost: Class1 (white type colors) $400 -$600 /20lli ($20-$30/li) Class 2 - $700 - $ 800/20 li Distributor: Keim Minerals Australia

• Dy-On-Crete Mark2 – water-based single pack pigmented (solid) surface coating to provide a long-lasting and extremely durable, natural looking coating/stain for concrete, mortar, masonry and primed new or weathered timber. Suitable for use on both vertical and horizontal internal and external surfaces. Available in 12 colors

Coverage: 8 – 9 sq m/li Distributor: Ability Building Chemicals, VIC 3081

• Rust Oleum Semi-transparent Concrete Stain - an innovative DIY product providing durable, vibrant and natural colors for concrete surfaces that will not chip or peel. Suitable for concrete floors and retaining walls; comes in a kit.

Distributor: Dy-Mark Australia Toowong QLD 4066

SUMMARY• There are several types of concrete stains available to choose based on the desired

look, the use and the condition of the concrete surface. Most commons are Acid Stains and Acrylic Stains. Acid stains create natural, variegated or mottled look. They are ideal for newer concrete without a lot of cosmetics defects and discoloration. Acid stains will actually highlight existing defects. Acrylic stains create a more consistent appearance and will help hide blemishes and discoloration. They are better for older and more porous concrete. They are also much more user friendly and less toxic because they are water based or water extended. There are also several different types of concrete stains which vary according to their binder type. Other concrete stains also act as sealer, so, no need to put extra coat of a clear sealer. If you want your concrete to look like a painted surface or there are imperfections that can’t be hidden by regular acrylic stain, then a polymer stain (solid color) maybe the best choice. A few coats of polymer stains will make a slab completely uniform in color .

• There are several different concrete stain application technique/methods for enhancing the concrete surfaces. These depend on the desired aesthetic look and type of concrete stain being used. Most Concrete stains are applied to a continuous wet edge since they are fast drying. Excessive or multiple applications may develop sufficient film formation/accumulation to restrict the rate of moisture vapor transmission, resulting in possible failure.

• Surface preparation is very important before applying concrete stains. It must be done thoroughly for successful result. Curing time of concrete plays a vital role too.

While giving similar protection as the standard paint to concrete. Concrete stains have other benefits (as claimed by the manufacturers):

1. Penetrate deep and chemically bond with concrete.

2. Will not fade, chalk or peel.3. Protects concrete from stain discoloration

resulting from food spillage, automotive oil and grease drippings.

4. Does not significantly alter concrete moisture vapor transmission rate

5. Can be cost-effective6. Fast drying- minimizes time spent waiting

between coats

THANKS FOR ATTENTIVE EARS & EYES - ZFC