705.23 Concrete Sealers

1. Specification:

Item 512.03 C & MS

Item 705.23 C & MS

2. Sampling and/or Inspection Requirements:

Epoxy-Urethane Sealer

Non-epoxy Sealer

Qualified Product List (QPL)

No sample is required. Only material that is approved as a Qualified Product may be used. To verify, refer to Qualified Product List (QPL) on the OMM website: http://www.dot.state.oh.us/Divisions/ConstructionMgt/Materials/Pages/QPL.aspx

 Suppliers who are interested in approval of their products should follow the requirements defined for this product on the list website.

Sealer or sealer components should be delivered to job site in unopened containers with manufacturer’s numbered seal intact.

Sealer should be mixed to uniform consistency in accordance with instructions and procedures provided to the Engineer by the manufacturer.

Inspection of surface condition, preparation and application of sealer per Item 512. Visually inspect sealer surface after application for uniformity of appearance. Sags and runs are not acceptable in the sealer.

3. Method of Tests:

ASTM C642

ASTM C672

NCHRP 244