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Multicoat Coatings - Insul-Stucco System
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The MULTICOAT Insul-Stucco System is an exterior insulation and finish system that may be applied to vertical substrates of masonry or frame construction. This system provides a decorative finish as well as thermal insulation and reduces air infiltration
Advantages
- Flexible
- Stain Resistant
- Excellent Resistance to Freeze/Thaw
- Water Resistant
- Excellent Crack Resistance
- Abrasion and Impact Resistant
- Super Adhesion
- Non-Chalking
- Wide Variety of Colors
Specifications
I Description and Scope
The MULTICOAT INSUL-STUCCO SYSTEM incorporates a Base Coat of KRETE KOTE 2000 and a Finish Coat of MULTI-TEX STUCCO MIX applied over vertical substrate of properly prepared masonry or EPS board. The SYSTEM provides a decorative finish, reduces air infiltration and adds to thermal insulation.
The scope of this specification is to describe all materials and installation procedures for the MULTICOAT INSUL-STUCCO SYSTEM.
II Materials
1. KRETE KOTE 2000 Base Coat
As manufactured by MULTICOAT CORPORATION
Shall be a synthetic resin modified cementitous material, furnished in dry form, mixed with potable water at job site in proportions so as to provide desired consistency.
Physical properties of the cured mix shall meet or exceed the following criteria:
| KRETE COAT 2000 |
| |
TEST |
METHOD |
RESULTS |
| 1. |
Weatherometer |
ASTM G23 |
2000 Hrs-Passed |
| 2. |
Compression Strength |
ASTM C109...
45 Days air cured |
2595psi |
| 3. |
Tensile Strength |
ASTM-C190 |
457psi |
| 4. |
Bond Strength
(Flatwise Tension) |
ASTM-C297 |
225psi |
| 5. |
Abrasion Test |
ASTM-1242A...
1000cyc-1000gms |
39 mil loss |
| 6. |
Salt Spray |
ASTM-B117 |
300 Hrs-Passed |
| 7. |
Water Vapor Transmission |
ASTM-E96A |
1.26 Perms |
| 8. |
50-Cycle Freeze Thaw |
ASTM-C67 |
Passed |
| 9. |
Flexural Strength |
ASTM-D790 |
Modulus of Rupture-770psi |
| 10. |
Impact Resistance |
MIL-D-3134F |
Passed |
| 11. |
Flame Spread |
ASTM-E84 |
Class A |
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2. MULTI-TEX STUCCO MIX Finish Coat
As manufactured by MULTICOAT CORPORATION
Shall be a high build waterbase flexible acrylic combined with various sand filters to obtain desired coating texture.
Physical properties of the cured coating shall meet or exceed the following criteria:
| STUCCO MIX |
| |
TEST |
METHOD |
RESULTS |
| 1. |
200 Hour Weatherometer |
ASTM G23 |
No marked evidence of surface cracking, blistering, flaking, chalking, crazing or any other deleterious. |
| 2. |
Moisture Resistance |
ASTM D2247 |
No blistering or cracking of surface. |
| 3. |
Freeze-Thaw |
Section VI D of acceptance criteria for EIFS |
No change in color, no cracks, no crazing, no delamination. |
| 4. |
Abrasion Test (Falling Sand) |
ASTM DE968 Method A |
Initial wear started at 3200 liters |
| 5. |
Fungus |
Mil-Std-810B (Method 508) |
Passed |
| 6. |
Moisture Vapor Transmission |
ASTM E96 |
4.56 Perms, the coating is not a vapor barrier |
| 7. |
Mildew Resistance |
Fed. Spec. 6271 |
Passed |
| 8. |
Salt Spray Resistance |
ASTM-B117 |
Passed 18 cycles |
| 9. |
Wind Driven Rain Resistance |
TTC-555b |
Passed 24 hours |
| 10. |
Fire Hazard Classification |
ASTM E-84 |
Fuel contribution -0, smoke development -5, Flame spread -10. |
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3. FIBERGLASS MESH
Physical properties shall be in accordance with the following specifications:
a. Count: 20 X 10 Leno Weave - Visual Count - 12 x 6
b. Yarn: Warp - 37 1/0 0.7z ECH
Fill - ECK 1,800 yd/lb roving
c. Tensile: 150 X 150 pounds per inch of width
d. Weight: 4.5 oz. per Square Yard
e. Thickness: 0.0135 inches
f. 475 sq. ft. rolls - 38" wide
4. EXPANDED POLYSTYRENE (EPS) INSULATION BOARD - AGED
Furnished by other companies.
Design thickness and fasteners specified by owner (architect).
Thickness to be determined by design requirements of the job. Minimum of 1" thick, 1 lb. density.
III SURFACE PREPARATION
1. For concrete, brick or block, the substrate must be structurally sound and free of oil, paint, sealers and other foreign materials which may prevent proper bonding.
Repair deteriorated mortar joints and pre-fill cracks.
2. Frame Construction
Install EPS Board in accordance with owner (architectural) specification.
IV APPLICATION
1. Base Coat - KRETE KOTE 2000 (furnished in 65 lb. bags)
A. Mix with potable (clean) water in approximate amount 1 1/4 - 1 1/2 gallons per 65 lb. bag
preferably with MULTICOAT Mixing Paddle. Mix vigorously to disperse all lumps and thoroughly wet all particles.
(1-1 1/2 minutes minimum after all dry material added)
B. Adjust to desired consistency by addition of small amount of water, if needed.
C. Apply with roller covering entire substrate.
D. Embed and trowel Fiberglass Mesh in KRETE KOTE 2000. Cure minimum of 12 hours before proceeding, longer in cool weather.
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 Seller's control, the Buyer assumes all risks of use. Seller's sole obligation shall be to replace materials if found to be defective. Seller shall not be liable for any damages, injury, loss, direct or consequential, resulting from use of its products.
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