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«Self-leveling Underlayment 8500 SELF-LEVELING, FAST-SETTING, HIGH-STRENGTH, UNDERLAYMENT AND REPAIR MIX WITH EXTENDED FLOW AND HEALING TIME FOR LARGE ...»

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adhesive

Self-leveling Underlayment 8500

SELF-LEVELING, FAST-SETTING, HIGH-STRENGTH, UNDERLAYMENT AND

REPAIR MIX WITH EXTENDED FLOW AND HEALING TIME FOR LARGE

UNDERLAYMENT APPLICATIONS ON INTERIOR FLOORS

DESCRIPTION

• A very versatile, self-leveling, cement-based, underlayment and repair mix for interior

floors

• Featheredge to 2" (51 mm).

• Exceptional physical properties with high strength. 4700 psi (32,5 MPa).

• Extended open time.

• Superior self-smoothing.

• Low water/cement ratio – no shrinkage.

• Especially designed for large underlayment placement.

• Ceramic products can be installed in 2 – 3 hours and floor coverings in 16 hours after application.

USES

1. Use for interior applications requiring increased working time.

2. Use where fast-setting and high early strength is required [4700 psi (32,5 MPa) at 28 days].

3. Use for leveling and repairing concrete.

4. Use for leveling plywood floors.

5. Use 8500 Shaw Level before the installation of carpets, resilient flooring, impervious coatings, wood strip flooring, ceramic tiles, marble, granite and slate floor coverings.

6. Use for leveling floors in thickness ranging from featheredge to 2" (51 mm). For installations between 1"– 5" (25 – 125 mm), mix Shaw 8500 with a washed, dried and well-graded pea gravel [1/8" – 1/4" (3,2 – 6,4 mm) or larger].

7. Use to cover ceramic tiles, cement terrazzo and old cutback adhesives. In such cases, apply a Shaw EPO/PRIME or Shaw EPO/BOND Primer to the surface before application of the 8500 Shaw Level

8. 8500 Shaw Level is compatible with adhesives, dry-set mortars, polymer-modified dry-set mortars, epoxy and polyurethane adhesives commonly used for the installation of resilient and hard floor coverings.

9. Use under resilient floorings in locations exposed to very heavy traffic including locations exposed to wheelchair traffic and furniture on casters.

10. Use 8500 Shaw Level for repairing concrete surfaces, which are to be protected or covered with floor covering materials, epoxy, or urethane.

410 old mill rd • cartersville, ga 30120 • 877.502.7429 • www.shawcontractgroup.com © 2003 Shaw, A Berkshire Hathaway Company

-1- adhesive

11. For spot patching, use 9500 Shaw Patch or 7500 Shaw Finish (see respective technical data sheets for details).

12. Use at temperatures above 41°F (5°C) or below 95°F (35°C).

13. Use where hydrostatic pressure conditions do not exist. Maximum moisture vapor transmission is the 3 lbs. per 1000 sq. ft. (1,36 kg/92,9 m2) based on the calcium chloride test and 2.5% based on calcium carbide test.

RECOMMENDED SUBSTRATES

1. Cured concrete, at least 28 days old, free of hydrostatic or moisture conditions.

2. Plywood substrates Group 1, Exterior Grade plywood – CC plugged or better, conforming to A.P.A classifications and US Product Standard PS 1-95 or a "SELECT" or (SEL-TF) COFI classified Exterior Grade plywood conforming to CSA-0121 standard for Douglas fir.

3. DO NOT use on particleboard, chipboard, hardboard (Masonite), Lauan panels, metal, gypsum-based patching compounds and non-dimensionally stable materials, which are not considered adequate substrates.

INSTRUCTIONS

1. SURFACE PREPARATION

1.1 All substrates must be structurally sound, stable, solid, clean and free of dust, oil, grease, paint, tar, wax, sealers, curing compounds, form release agents, primers, laitance, loose particles and foreign substances and debris which could reduce or impair adhesion.

1.2 Mechanically roughen surface, especially in the case of dense and smooth concrete, by shot blasting, scarifying or grinding as required. Shot blasting is always preferred.

1.3 Always prime the surface with a thin coat of either 8550 Shaw Level Primer, Shaw EPO/BOND Primer (see respective data sheets for details).

1.4 For special applications when dense and smooth floors cannot be roughened, contact Shaw’s Technical Department.

2. MIXING

2.1 Using a clean mixing container, pour in the REQUIRED amount of water and add 8500 Shaw Level while stirring slowly. Mixing ratio: Water 6 qts. – 6.5 qt. to 55 lbs. Bag (5,67 – 6,14 L to 25 kg bag).

2.2 Mix with a low speed mixer (approximately 300 RPM).

2.3 Avoid air entrapment and over-mixing which will shorten the pot life.

2.4 Mix to a homogeneous, creamy (almost soupy), lump-free consistency.

2.5 For installation between 1" - 5" (25 – 125 mm) mix 8500 Shaw Level with a washed, dried and well-graded pea gravel [1/8" – 1/4" (3,2 – 6,4 mm)] or larger. Mix the 8500 Shaw Level with water, then add the aggregate up to 1:1 ratio. The addition of 410 old mill rd • cartersville, ga 30120 • 877.502.7429 • www.shawcontractgroup.com

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aggregate will reduce the flow ability of the product. This kind of application may require a finish layer. The first layer should be allowed to cure for a minimum of 5 hours before the installation of the finish layer. For other installation methods, contact Shaw’s Technical Service Department.





2.6 Spread the entire contents of the container on the floor surface as quickly as possible after mixing.

3. APPLICATION

3.1 Application of 8500 Shaw Level over large areas can be made easier and more efficient through the use of conventional piston or other underlayment pump (consult Shaw’s Technical Service Department for further details).

3.2 A more even surface is obtained when the material is poured or pumped in a continuous operation. Spread with a steel straightedge, a flat-edged hand trowel or with a squeegee. This self-leveling material requires no surface troweling. Apply a minimum of 1/2” of coverage over all high spots.

3.3 Minimum thickness: featheredge.

3.4 Before installing impervious floor coverings or wood flooring, let 8500 Shaw Level underlayments harden sufficiently. Do not install floor coverings when the moisture content of the 8500 Shaw Level underlayments is greater than 2.5% based on the calcium carbide moisture test or a maximum of 3 lbs. per 1000 sq. ft. (1,36 kg/92,9 m2) based on the calcium cloride test.

3.5 Allow material to flow. 8500 Shaw Level will smooth itself out evenly.

3.6 For best results, it is good practice to work in teams to provide a continual flow of material.

3.7 When applying Shaw 8500 over tongue and groove wood flooring, mechanically attach diamond lath before the application of the underlayment.

4. CURING

4.1 Protect from excessive heat or draft conditions during curing. Turn off all forced ventilation and radiant heating systems and protect work against drafts during installation for up to 24 hours after completion.

4.2 Do not use damp curing methods or curing and sealing compounds. DRY CURE ONLY.

4.3 In hot weather, prevent material from being exposed to the sun and use cold mixing water.

4.4 In cold weather, mixing water should be approximately 68°F (20°C).

4.5 Avoid walking on the self-leveled surface for a period of at least 2 to 3 hours after installation; depending upon temperature and humidity conditions.

4.6 Protect from traffic, dirt and dust until the final floor covering has been completely installed.

5. CLEANING

5.1 Wash tools and hands with water promptly before material hardens.

410 old mill rd • cartersville, ga 30120 • 877.502.7429 • www.shawcontractgroup.com

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6. EXPANSION AND CONTROL JOINTS

6.1 Provide expansion and control joints where specified. DO NOT cover or bridge expansion joints or control joints.

8500 Shaw Level (before mixing) Physical state

Flammability

8500 Shaw Level (mixed) Mixing ratio

6,14 L per 25 kg) Material and hardening conditions at 73°F (23°C) and 50% R.H. without curing.

pH

Application temperature range

Flowing time

(21°C) Final set (ASTM C266)

Time required before installation Of floor covering or coating (epoxies, urethanes and non-breathable materials)..........Typically 16 hours Ceramic tile installation

Compressive strength (modified) ASTM C109, CAN/CSA-A5 psi MPa 1 day

7 days

28 days

Flexural strength ASTM C 348, CAN/CSA-A23.2-8C (modified) psi MPa 1 day

7 days

28 days

Pull-out strength (rupture of concrete) (modified) CAN/CSA-A23.2-6B psi MPa 7 days

28 days

Abrasion resistance (ASTM D4060 Taber H22-500g, 200 cycles ) After 7 days

After 28 days

Volume Change (ASTM C157) (Dry cure)

410 old mill rd • cartersville, ga 30120 • 877.502.7429 • www.shawcontractgroup.com

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SHELF LIFE 1 year in original bag in dry, heated and covered place.

COLOR Light gray PACKAGING 55 lbs. (25 kg) bag

APPROXIMATE COVERAGE

Per 55 lbs. (25 kg) bag

25 sq. ft. (2,4 m2) 6.5 sq. ft. (0,6 m2) Coverage/thickness shown are approximate and are given for estimating purposes only.

Actual coverage's may vary depending on the roughness of the substrate, method of application and use.

Material Safety Data Sheet

IDENTITY (As shown on label):

Shaw 8500 Level Cement-Based, Self-Leveling Underlayment SECTION I Prepared by: Regulatory Affairs Manufacturer Name: Shaw Industries, Inc.

Address/Phone: P.O. Drawer 2128; Dalton, Ga 30722; (800)441-7429 Emergency Telephone No.: (800)535-5053 Product Class: Synthetic rubber, resin blend Manufacturer’s Code Identification: 8500 Trade Name: Level Cement-Based, Self-Leveling Underlayment SECTION II

HAZARDOUS INGREDIENTS

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FOR CALIFORNIA: THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE

STATE OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS, OR OTHER

REPRODUCTIVE TOXICITY.

410 old mill rd • cartersville, ga 30120 • 877.502.7429 • www.shawcontractgroup.com

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HMIS (Hazardous Materials Identification System) Rating: Health - 3 Fire - 0 Reactivity - 0 Protection – E SECTION III

PHYSICAL DATA

Boiling Point: N/A Evaporation Rate: Same as water Vapor Density: Same as water Vapor Pressure: Same as water Color: Gray Odor: General cement odor.

Grams V.O.C. per liter of material: 0 (calculated) Grams V.O.C. per liter of coating: 0 (calculated) SECTION IV

FIRE & EXPLOSION HAZARD DATA

Dot Category: N/A Flash Point: None LEL: N/A Extinguishing Media: Product will not burn until all water content has evaporated.

Water spray, carbon dioxide, dry chemical or foam.

Unusual Fire & Explosion Hazards: Some decomposition products may be harmful.

Special Fire Fighting Procedures: Wear standard fire fighting gear with self-contained breathing apparatus.

SECTION V

HEALTH HAZARD DATA SYMPTOMS OF OVER EXPOSURE

ROUTES OF ENTRY: Inhalation? YES Skin? YES Ingestion? YES

HEALTH HAZARDS (ACUTE AND CHRONIC)

Acute: Possible injury due to the alkaline nature of wet cement (dermatitis, dry cough, etc.) Chronic: Repeated (long term) inhalation of dust may result in silicosis.

CARCINOGENICITY: NTP - YES IARC - YES OSHA – NO

IARC – CRYSTALLINE SILICA GROUP 1 AGENT

Signs and Symptoms of Overexposure Dry skin, dermatitis, dry cough, irritated eyes from dust or any other potential adverse condition related to the alkaline nature of wet cement.

Medical Conditions That Can Be Aggravated by Exposure Allergies, skin and respiratory disorders, or product sensitivity.

EMERGENCY AND FIRST AID PROCEDURES

410 old mill rd • cartersville, ga 30120 • 877.502.7429 • www.shawcontractgroup.com

–  –  –

Inhalation: Remove to fresh air. If not breathing, trained personnel should initiate artificial respirations and immediate medical attention should be obtained.

Ingestion: Do not induce vomiting. Do not give anything by mouth to an unconscious person. Seek medical attention immediately.

Skin: Avoid contact with skin. Remove contaminated clothing. Wash affected area thoroughly with soap and water. If irritation persists, seek immediate medical attention.

Eyes: Flush with cool water for 15 minutes while holding eyelid open. If irritation persists, seek medical attention immediately.

SECTION VI

REACTIVITY DATA

Stability: Stable Conditions to avoid: None known Incompatibility-Materials to Avoid: None known Hazardous decomposition products: None known Hazardous polymerization: Will not occur SECTION VII

SPILL OR LEAK PROCEDURES

STEPS TO BE TAKEN IN CASE MATERIAL IS SPILLED.

While using appropriate protective equipment, place spilled material in poly drum, or container requirement by local disposal company, and store in a safe place till material can be disposed of in accordance with regulations.

Waste Disposal Method Dispose of in accordance with local, state, and federal regulations governing your location.

Precautions to be taken during Handling and Storage Store in a manner to prevent dusty conditions.

Other Precautions Avoid prolonged skin contact.

SECTION VIII

SPECIAL PROTECTION INFORMATION

Respiratory Protection: If workplace exposure limit of product is exceeded, a NIOSH/MSHA approved air supplied respirator is required in absence of proper environmental control. Engineering or administrative controls should be implemented to reduce exposure.



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