Hard Rock Concrete Supplies carries a full range of supplies for the concrete industry. Our range of products includes; Sealers, Cure & Seals, Rebar (Steel and GFRC), Insulation, Support Brackets, Weeping Tile, Patching and Repair Materials; as well as hand and power tools.
Our team prides itself on our customer service, product knowledge, and wide range of quality products and would love the opportunity to talk with you about all of your concrete needs. 

Collection: Retarders - Horizontal, Vertical & Evaporation

Our retarders precisely manage concrete setting time for fine details and faultless finishing. Elevate your concrete projects with Hard Rock Concrete Supplies.

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The highest price is $450.00

Precision Concrete Performance Retarders

Welcome to Hard Rock Concrete Supplies, your premier source for superior concrete solutions in Calgary. Explore our wide selection of top-quality retarders which have multiple purposes.

Evaporation retarders are designed to negate the effects of heat or high wind and to give you more working time and better finishing, to enhance the precision and durability of your concrete projects.

Horizontal and Vertical retarders are designed to give you control over the amount of exposure the aggregate in the concrete will have.

Key Benefits:

  1. Optimized Setting Time: Our retarders offer precise control over the concrete setting time, ensuring meticulous detailing and flawless finishing.

  2. Superior Surface Finish: Achieve impeccable concrete surfaces with our advanced retarders, enhancing the overall visual appeal of your projects.

  3. Crack Prevention: Reduce the risk of cracks and surface imperfections, guaranteeing robust and long-lasting concrete structures.

  4. Enhanced Workability: Experience effortless pouring and shaping as our retarders maintain concrete consistency for extended periods, enabling seamless construction.

Why choose Hard Rock Concrete Supplies?

At Hard Rock Concrete Supplies, we prioritize excellence and customer satisfaction. Our radiators are sourced from reputable manufacturers, ensuring consistent and high-performance results. With extensive experience serving Calgary's construction needs, we understand the unique demands of concrete projects.


FAQs (Frequently Asked Questions):

Q1: How do retarders work in concrete?

Retarders slow down the concrete setting time, allowing for better workability and finishing. They are especially useful in hot weather or windy weather conditions or when intricate designs are required.

Q2: Are your retarders environmentally friendly?

Yes, our retarders are eco-friendly and comply with environmental standards. They do not harm the environment and are safe to use in construction projects.

Q3: Can evaporation retarders be used with all types of concrete mixes?

Our retarders are versatile and compatible with various concrete mixes. Whether you're working on residential, commercial, or industrial projects, our products offer consistent results.

Q4: Can set retarders be used with all types of concrete mixes?

Our set retarders are meant to be used with exposed aggregate mixes.  These mixes have specific aggregate properties which will enhance the look of the concrete. 

The R-20 Set retarders are a water-based formulation for use on horizontal applications. 

The R-50 retarders are an alcohol based mixture that dries quickly and is used on the formwork of vertical concrete to help expose vertical surfaces.

Q4: How quickly can I expect delivery in Calgary?

We pride ourselves on prompt delivery. In most cases, orders are delivered within 24 to 48 hours within Calgary, ensuring you can proceed with your construction projects without delays. We also offer nationwide shipping across Canada. 

Elevate your concrete projects with Hard Rock Concrete Supplies. Contact us today to order premium radiators tailored to your specific needs. Experience exceptional quality and unmatched service with us!

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