WALL-KRETE SYSTEM
Interior Dry-Wall Finish
I. DESCRIPTION and SCOPE
The MULTICOAT WALL-KRETE SYSTEM is a combination of a water-resistant Synthetic Resin modified cementitious coating (TOP COAT 2000) and water borne COLORSEAL. The WALL-KRETE SYSTEM is applied to conventional dry-wall to increase abuse resistance against mildew and mold, and includes a decorative finish. WALLKRETE is an excellent finish for walls in Motels, Health Care Facilities, Schools, Rental Property, Recreation Rooms, or anywhere a durable, attractive weather resistant coating is needed.
The scope of this specification is to describe all materials and installation procedures for the MULTICOAT WALL-KRETE SYSTEM.
II. MATERIALS
1. MULTICOAT TOP COAT 2000 Protective Coating
As manufactured by MULTICOAT CORPORATION
Shall be a synthetic resin modified cementitious material mixed with potable water at job site in necessary proportions to obtain consistency desired.
Physical properties of the cured coating shall meet or exceed the following test criteria:
WALL KRETE TOP COAT 2000
| TEST | METHOD | RESULTS | |
| 1. | Compression Strength | ASTM C109... 45 Days air cured |
2595 psi |
| 2. | Tensile Strength | ASTM-C190 | 457psi |
| 3. | Bond Strength | ASTM-C297 | 225psi |
| 4. | Water Vapor Transmission | ASTM-E96 | 1.26 Perms |
| 5. | Abrasion | ASTM-1242A... 1000cyc-1000gm load |
39 mil loss |
| 6. | Flexural Strength | ASTM-D790 | Modulus of Rupture - 770psi |
| 7. | Impact Resistance | MIL-D-3134F | Passed |
| 8. | Flame Spread w/Colorseal | ASTM-E84 | Flame Spread -10 Smoke Generation -5 |
2. MULTICOAT ACRATHANE COLORSEAL/CLEARSEAL
As manufactured by MULTICOAT CORPORATION.
Shall be high solids synthetic waterbase latex protective coating for cleaning ease. Formulation proprietary. Physical characteristics designed for compatibility with TOP COAT 2000.
III. SURFACE PREPARATION
1. NEW CONSTRUCTION
Gypsum Board should be installed in accordance with local codes and specifications, with joints taped, spackled, sanded smooth, and allowed to dry.
2. WALLPAPERED WALLS
Remove wallpaper and any loose paper on the gypsum board. Mold or mildewed areas must be cleaned. Using dry-wall spackle, repair any damaged area and sand smooth.
3. PAINTED WALLS
Remove any loose paint. Thoroughly clean wall surface to remove grease, dirt, etc., and allowed to dry.
IV. APPLICATION
1. MULTICOAT TOP COAT 2000 is furnished in 65 lb bags and field mixed with potable (clean) water in
the approximate amount of 1 ¼ - 1 ½ gallons per bag, preferably with special MULCTICOAT Mixing Paddle. Mix vigorously to disperse all lumps and thoroughly wet all particles. Use margin trowel to clear vessel walls. Adjust to desired spray consistency by small additions of water.
2. Screen material through 1/8" mesh screen and pour into a standard hopper gun. Using ¼" orifice plate and
30 psi air pressure, spray wall uniformly. Once the shiny appearance of the material is gone, "knock down" with stainless steel trowel. Allow to dry 24 to 48 hours, depending on ambient temperature and humidity, before proceeding to apply COLORSEAL.
3. MULTICOAT COLORSEAL is applied in two thin coats. Dry first coat to touch before applying second
coat. Allow to dry 24 hours before exposing to use.
V. LIMITATIONS / PRECAUTIONS
Protect adjacent surfaces from over-spray of TOP COAT. While wet, TOP COAT may be removed with wet sponges. When dry, TOP COAT will require mechanical methods for removal. When applying COLORSEAL, be sure to cut-in ceiling wall juncture within 15 minutes of wall application to keep color consistent. Do not apply if surface or ambient temperature is below 50¡ F and falling or above 100¡ F and rising.
VI. WARRANTY
Materials are guaranteed with respect to uniformity and quality within manufacturers specifications. Seller makes no other warranty, expressed or implied, regarding the use of its products. Since use of the product is beyond the Sellers control, the Buyer assumes all risks of use. Sellers sole obligation shall be to replace material if found to be defective. Seller shall not be liable for any damages, injury, loss, direct or indirect or consequential, resulting from use of its products.
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