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Multicoat Coatings - Scratch Kote Pool and Spa Renovation
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For Replastering Swimming Pools, Spas and Ponds
MULTICOAT SCRATCH KOTE 2000 is a super bonding Synthetic Resin modified cementitous coating which forms a hard rough-textured base coat, securely bonding to a properly prepared pool, spa or pond substrate. MULTICOAT SCRATCH KOTE 2000 provides an ideal surface to which new pool plaster will firmly bond by both mechanical and chemical means. It is similar to gunite in both appearance and function.
Advantages
- Minimum Down Time
- Substantially Reduces Labor and Equipment Costs
- Eliminates Excessive Substrate Preperation, No Need for Chip-Outs or Axing
- Even Suction While Plastering - Smoother Plaster Finish
- Substantial Savings on Plaster (Marcite) Materials
- Virtually Eliminates "Pop-Outs "
- Trim Tile, New or Old, Can be Placed on Steps and Seats during SCRATCH KOTE Application
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Click the picture for a larger view
Finish Plaster Applied over Scratch Kote Surface
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Specifications
I Description and Scope
The MULTICOAT SCRATCH KOTE SYSTEM is a super bonding latex modified cementitious coating, which forms a hard, rough-textured base coat, securely bonding to a properly prepared pool, spa or pond substrate. MULTICOAT SCRATCH KOTE 2000 provides an ideal surface to which plaster will firmly bond by both mechanical and chemical means. It is similar to gunite in both appearance and function. The scope of this specification is to describe all materials and installation procedures for the MULTICOAT SCRATCH KOTE SYSTEM.
II Materials
1) SCRATCH KOTE 2000
As manufactured by MULTICOAT CORPORATION
Shall be a synthetic resin modified cementitious material, furnished in Dry Form, mixed with potable water at job site and installed per APPLICATION hereunder.
Physical properties of the cured mix shall meet or exceed the following test criteria.
| SCRATCH KOTE 2000 |
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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 |
ASTM-1242A...
1000cyc-1000gms |
Passed |
| 6. |
50-Cycle Freeze Thaw |
ASTM-C67 |
Passed |
| 7. |
Flexural Strength |
ASTM-D790 |
Modulus of Rupture-770psi |
| 8. |
Impact Resistance |
MIL-D-3134F |
Passed |
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III Surface Preparation
- Check and completely remove all hollows and loose areas with picks and hammers.
- Chip out minimum 2 inches below tile line and around all water inlets, return lines and fixtures.
- Sandblast or waterblast with sand injector (3,500 psi minimum) to remove all rust, algae, copper sulfate, soft flakey plaster, paint and other foreign materials.
- Recheck for hollows, loose and flakey areas, Soft flakey areas must be removed before SCRATCH KOTE 2000 is applied
- Wash thoroughly with waterblaster and dry all areas to touch before proceeding.
Any found should be removed. Surface must be sandblasted, or water-blasted with a sand injector (3500 psi min.), to remove any foreign materials. Area should then be checked once again for hollows and loose spots, and same should be removed. Entire surface should be washed with waterblaster and thoroughly dried before proceeding. (NOTE: Cut out approximately 2-4" below tile line and around any openings in pool shell.)
IV Application
MULTICOAT SCRATCH KOTE 2000 is furnished in 65 lb. bags and field mixed with potable (clean) water in the approximate amount of 1 1/4 - 1 1/2 gallons per bag, preferably with a special MULTICOAT Mixing Paddle.
Mix vigorously to disperse all lumps and to thoroughly wet all particles. Suggest 1 - 1 1/2 minutes after all dry material added. Use margin trowel to clear vessel walls.
Check for consistancy by applying to a prepared vertical pool wall with 1 1/4" nap roller. Applied material should not peak or slump. If too thick small clumps will come away with roller. Add small amount of water, remix and retest.
Apply with 1 1/4" nap roller or spray to entire prepared surface. ALLOW TO CURE FOR A MINIMUM OF 24 HOURS BEFORE APPLYING POOL PLASTER - LONGER IN COOL WEATHER - 48 TO 72 HOURS IS IDEAL
Note: Indoor pools must have a minimum 72 hour cure time before applying pool plaster.
V Warning
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 the use of its products.
Limited warranty available to experienced MULTICOAT Certified Applicators.
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