DOT Repair Mortar

Rapid Set® DOT Repair Mortar is ideal for time-sensitive repairs of concrete pavement, bridge decks, industrial floors, parking garage decks, freezer floors, and vertical or overhead repairs. DOT Repair Mortar is a rich blend of specialty sand, Rapid Set® Cement and additives for improved durability. When you mix DOT Repair Mortar with water, you get a very fast-setting, high-quality concrete repair material that is extremely durable in harsh environments. Rapid Set® DOT Repair Mortar is packaged in 70-pound bags, yielding approximately 0.7 cubic feet. When extended with 45 to 50 pounds of aggregate, each bag yields approximately 0.9 cubic feet.



The Datasheet explains the performance and technical characteristics of DOT Repair Mortar.  It also shows how to use DOT Repair Mortar (i.e. surface preparation, mixing, placement and curing).


The Safety Data Sheet (SDS) outlines information and procedures for handling and working with DOT Repair Mortar.  It includes physical and chemical property information, potential hazards, emergency procedures and CTS’s contact information.


The Specification gives a detailed statement explaining the type of jobs to specify DOT Repair Mortar for, the scope of work, thicknesses, performance requirements and usage.

Click here for word document

Standard Practices

Q: What is Rapid Set® DOT Repair Mortar?
A: Rapid Set® DOT Repair Mortar is a specially mortar that produces a high performance concrete repair material that allows for early opening of pavement repairs to traffic.

Q: How is Rapid Set DOT Repair Mortar used?
A:Rapid Set DOT Repair Mortar is ideal for use where repair strength, low shrinkage, and high durability are desired.

Q: Is it a modified Portland cement product?
A: No. The high-performance properties come from the Rapid Set Repair Mortar in the mix.

Q: How thick can I apply Rapid Set DOT Repair Mortar?
A: DOT Repair Mortar concrete can be applied from 1/2″ to 6″ neat and up to 24″ when extended with 50 lbs of (3/8″-3/4″) coarse aggregate added to 70-lb Rapid Set DOT Repair Mortar.

Q: How do I cure Rapid Set DOT Repair Mortar?
A:Water cure all DOT Repair Mortar installations by keeping exposed surfaces wet for a minimum of 1 hour.  Begin curing as soon as the surface starts to lose its moist sheen.  When experiencing extended setting time due to cold temperature or the use of retarder, longer curing times may be required.  The objective of water curing shall be to maintain a continuously wet surface until the product has achieved sufficient strength.

Q: What is the yield of Rapid Set DOT Repair Mortar?
A: DOT Repair Mortar is packaged in 70-lb bags yielding approximately 0.7 cubic feet.  When extended with 45 to 50 lbs of 3/8” coarse aggregate, the concrete product will yield approximately 0.9 cubic feet.

Jobs & Applications

  • Old Bacardi Headquarters in Miami, FL (underlayment)
  • Disney Polynesian Resort in Orlando, FL, Cornerstone Construction Services (underlayment leveling)
  • Hyatt Andaz Maui Luxury Resort in Wailea, HI, Swinerton Incorporated (underlayment Leveling on every floor)
Leed Product Evaluation

TechnicalSupportWhether you’re working on a time-sensitive project and need answers, or evaluating and choosing the right cement products, or looking to achieve specific results, we are here to help. Get answers to your questions from our technical support team. Find and download useful information from our website. Ask us to help get your construction team up to speed by requesting a jobsite demonstration or educational seminars.

ConcreteCalculatorLearn how Rapid Set’s strength, speed and sustainability help you get better results and finish your jobs sooner. These Charts will show you how.

ProductEvaluationLEED product evaluations summarize a product’s ability to contribute to a variety of LEED credits. These credits include Solar Reflectivity (SS7), Regional Materials (MR4), Recycled Content (MR5), VOC Content (EQ4) and Innovation in Design (ID1).

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