The products on this list are prequalified for use on Maine Department of Transportation Construction and Maintenance projects. Prequalifying products is not to be construed as an official endorsement by the Department. Nor is it to be a guarantee of product performance relative to specific contract requirements or warranty. Inclusion of a product on this list does not imply that the product meets any or all applicable State or Federal regulations related to safety or environmental issues in effect at the time. The manufacturer’s Material Safety Data Sheet (MSDS) should be referred to before and during use of any product appearing on this list.

This list is intended as an information tool for contractors, engineering consultants, and Department personnel to identify products meeting the Department's standards or specifications for particular applications. The use of any product listed on this site by a contractor shall in no way relieve contractors from their contractual obligations.

Field performance of these products will continue to be monitored. Users are entirely responsible for confirming content of this web site.

Manufacturers and suppliers wishing to submit a new product should:

1. Review the Product Evaluation Process which is an overview of the program.

2. Review MaineDOT's Product Evaluation Flow Chart.

3. Review the Product Acceptance Criteria (if available) for the category of product that you wish to submit:

4. Print and fill out the Preliminary Information for Product Evaluation form and then send all the required documents to us via regular mail to the address shown on the form.

NOTE: Please use the actual form and not an approximation or computerized rendition. One submittal per product, please.

Attention all MaineDOT field personnel, contractors, and consultants:

Please take a moment to fill out the Product Evaluation Report Form and give us your feedback on products that you have used from these lists on a project. If the product is new, the Research Division will begin an evaluation of how that product performs over time. If an existing product, it may either reinforce its place on the Qualified Products List or precipitate its removal...

We need and appreciate your feedback to help make this program effective!

List of Prequalified Materials

Concrete and Bridge Items:

Anchoring Materials, Cementitious cement-based anchoring systems
Anchoring Materials, Chemical epoxy, epoxy acrylate, methy methacrylate, hybrid anchoring systems
Bridge Compression Seals & Gland Seals
Bridge Deck Waterproofing Membrane Systems Standard & High Performance
Bridge Expansion Joint Systems
Concrete Admixtures BASF Construction Chemicals, LLC
Concrete Admixtures Euclid Chemical Company
Concrete Admixtures Grace Construction Products
Concrete Admixtures Sika Corporation
Concrete Admixtures Cementec Industies Inc.
Concrete Bonding Agents adhere plastic concrete to hardened concrete
Concrete Curing Compounds liquid membrane-forming
Concrete Patching Materials, Rapid Set cementitious & non-cementitious
Concrete Sealers penetrating sealers and coatings for concrete surfaces

Elastomeric Concrete
Epoxy Joint Caulking Materials for masonry
Electrodes and Flux-Electrode Combinations
Evaporative Retardants monomolecular film
Grout Materials for keyways
Joint Sealants silicone and polyurethane based joint sealing products
Macro-Synthetic Fibers for Concrete Reinforcement for precast drainage structures
Protective Coatings for Steel Bridges NEPCOAT Qualified Products Lists

Highway, Safety, and Traffic Items:

Acrylic Latex Color Finish for asphalt & concrete surfaces
Crash Cushions/Impact Attenuators permanent and temporary
Detectable Warning Units ADA tactile warning devices for pedestrian areas
Flashing Arrow Panels also known as "Arrow Boards"
Guardrail Parts & Accessories including flexible markers and plastic blockouts
Mailbox Support Systems single, double and multiple NCHRP 350 approved
Portable Changeable Message Signs as evaluated by NTPEP
Proprietary Retaining Wall Systems MSE, modular, block, & filled
Temporary Traffic Control Devices (TTCDs) meeting MUTCD requirements
Traffic and Lighting Materials such as electrical junction boxes

Environmental Items:

Environmental Items misc. pre-qualified erosion and sediment control products
Erosion Control Blankets and related material
Geotextiles stabilization/reinforcement, drainage, erosion control, separation, and silt fence