How to Apply
Surface Preparation (See ICRI guidelines)
- Concrete must be sound and fully cured (28 days).
- Saw cut the perimeter of the area being patched into a square with a minimum depth of 1″ (25 mm).
- Remove all unsound concrete and roughen the surface to min. 1/4″ profile amplitude.
- Remove all laitance, oil, grease, curing compounds, and other contaminants that could prevent adequate bond.
- The concrete substrate should be saturated surface-dry (SSD), without standing water, before application.
- Blend with aggregate and apply the mixed material onto the prepared saturated surface-dry (SSD) substrate by trowel or screed. Ensure proper consolidation of the mortar and compaction around reinforcing steel. Minimum application thickness is 1” based on a 3/8” max. coarse aggregate. Finish the completed repair, as required, taking care not to overwork the surface.
Remove all oxidation and scale from the exposed reinforcing steel in accordance with ICRI Technical Guideline No. 03730 “Guide for Surface Preparation for the Repair of Deteriorated Concrete Resulting from Reinforcing Steel Corrosion.”
Approximately 0.36-0.40 water to cementitious materials ratio by weight. Conduct field trials to verify proper slump (4-inch to 8-inch) and consistency.
Set time– min. at 72° F (22° C) ASTM C 191
Initial 30-40 minutes
Final 40-50 minutes
Compressive strength– psi. 3”X 6” Cylinders (ASTM C 39)
3 hr……….3,500 (24.1 MPa)
1 day……..6,000 (41.4 MPa)
7 day……..7,000 (48.3 MPa)
28 days…..9,500 (65.5 MPa)
Shear Bond Strength– ASTM C-882
24 hr……. 2,320
7 day……. 2,640
Flexural Strength- ASTM C78
2 hr……… 505
24 hr……. 810
28 days… 1,100
Cure immediately after finishing. Use a curing compound that complies with ASTM C 309. In extreme heat, keep the patches covered and damp. Curing is not recommended for dowel bar retrofit applications.
Clean tools and equipment with clean water immediately after use. Cured material must be removed mechanically.
Health and Safety
Make certain the most current versions of product data sheet and SDS are being used.
Product contains portland cement and sand (crystalline silica); it can cause skin and eye irritation. Ingestion or inhalation of dust may cause tract irritation. This contains free respirable quartz, which has been listed as a suspected human carcinogen by NTP and IARC. Repeated or prolonged overexposure to free respirable quartz may cause silicosis or other serious and delayed lung injury.
KEEP OUT OF THE REACH OF CHILDREN. Prevent contact with skin and eyes. Prevent inhalation of dust. DO NOT take internally. Use only with adequate ventilation. Use impervious gloves, eye protection and if the TLV is exceeded or is used in a poorly ventilated area, use NIOSH/MSHA approved respiratory protection in accordance with applicable federal, state and local regulations.
In case of eye contact, flush thoroughly with water for at least 15 minutes, and seek medical attention. In case of skin contact, wash affected areas with soap and water. If the irritation persists seek medical attention. Remove and wash contaminated clothing. If inhalation causes physical discomfort, remove to fresh air. If the discomfort persists, breathing difficulty occurs, or if swallowed seek medical attention. Refer to Safety Data Sheet (SDS) for further information.
This product contains material listed by California as known to cause cancer, birth defects, or other reproductive harm.
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Limited Warranty Notice Every reasonable effort is made to apply exacting standards both in the manufacture of “FasTrac 300 Cement” product and in the information, which we issue concerning these products and their use. We warrant our products to be good quality and will replace or, at our election, refund the purchase price of any products proved defective. Satisfactory results depend not only on quality products, but also upon many factors beyond our control. Therefore, except for such replacement or refund, Western Material and Design, LLC makes no warranty or guarantee, express or implied, including warranties of fitness for a particular purpose or merchantability, respecting its products, and Western Material and Design, LLC shall have no other liability with respect thereto. Any claim regarding product defect must be received in writing within one year from the date of shipment. No claim will be considered without such written notice or after the specified time interval. User shall determine the suitability of the products for the intended use and assume all risks and liability in connection therewith. Any authorized change in the printed recommendations concerning the use of our products must bear the signature of the Western Material and Design, LLC technical manager.
FasTrac 300 Cement