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55 lb. Mortar Mix

  • High-strength structural repair mortar
  • Sets in 15 minutes and ready to drive or build on in one hour
  • Simple to use, add water and mix
  • See More Details

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Product Overview

Rapid Set Mortar Mix is a high quality mortar that is suitable for vertical and overhead applications. It is ideal when rapid strength gain, high durability, and low shrinkage are desired. Use Mortar Mix for general and structural concrete repair, stucco and plaster repair, one-coat exterior plaster, mortar beds, underlayment, and formed work. Mortar Mix sets in 15 minutes and is ready to drive or build on in one hour. Durable in wet environments, it can be applied from 1\2 in. to 6 in. thick. Mortar Mix is a blend of high performance Rapid Set cement with quality sand. Mortar Mix offers superior resistance to chemical attack. It is non-metallic and no chlorides are added. Mortar Mix allows the repair areas to be painted, coated, or sealed quickly after application. Under dry conditions, water-based coatings such as latex paint can be applied after the product is hardened, which usually takes one to four hours. Solvent-based and impermeable coatings such as oil based paint and epoxy can be applied in 16 hours.
  • Fast setting - hardens to structural strength in 1 hour
  • Ultra-durable - over 6,500 psi ultimate strength
  • Crack resistant, long-life formula
  • Bonds to concrete, brick, stone and many other surfaces
  • High performance, eco-friendly hydraulic cement formulation
  • Easy to use - just add water
  • Meets ASTM C928 requirements
  • One 55 lb. bag yields 0.5 cu. ft.
  • Click here to learn more about our Healthy Home Eco Options
  • Learn more about concrete and cement here in our Buying Guide



  • California residents

Info & Guides

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Specifications

Dimensions

Coverage Area (cu. ft.)
0.5
Product Depth (in.)
14
Product Height (in.)
5
Product Length (in.)
22

Details

Color Family
Gray
Compression Strength (psi)
7000
Features
Crack Resistant,Fast Setting,Paintable,Pre-Mixed,Sealable,Stainable
Material
Mortar
Product Weight (lb.)
55
Use Location
Ceiling,Floor,Wall
Working Time (min.)
15

Warranty / Certifications

Manufacturer Warranty
1 Year Limited Warranty

Questions & Answers

204Questions32Answers

Can I use this to level out an existing concrete pad? About 4’x4’ and it will be about 1/2 inch a...

Asked by Victoria March 9, 2021
3
Answers

In my opinion, this mortar will not work. use concrete.

will drywall mud stick to this?

Asked by mike February 25, 2021
2
Answers

Yes, it will bond nicely.

Is Rapid Set Mortar Mix Stainable?

Asked by pattitox February 10, 2021
3
Answers

The Mfg suggests dry colorants. '....Answer: Yes. The color of MORTAR MIX can be modified by using dry powder pigments designed for use in cementitious building materials. ...'

what is curing time before exposure to freezing temps. Project is 5' X 3' X1.5" table.

Asked by Terry February 5, 2021
3
Answers

According to the specification sheet, "Do not install on frozen surfaces. MORTAR MIX may be applied in temperatures ranging from 45°F to 90°F (7°C to 32°C)." The cure time is one hour. I believe they are saying the temperature must remain above 45 degrees for @ least one hour.

How well does this product hold up to freeze/thaw cycles?

Asked by Chucky February 1, 2021
2
Answers

My tables have been outside for the last two years and no cracks or flaking.....

The plaster on a portion of my concrete ceiling cracked and peeled off. Can I use this product t...

Asked by Jeffrey January 16, 2021
4
Answers

I'd suggest you use other products for plaster work. The Mortax Mix has rough sand in it.. You'll find the finish more suitable for stucco work. They do sell a product that's a better choice for plaster. Try a small sample first. '....Rapid Set OnePass is used for general construction and repair of wallboard, cement board, magnesium oxide board, plaster, smooth stucco, masonry, some wood repair applications and many other surfaces. 1 Pass is formulated with premium-grade hydraulic cement, high-performance polymers and quality, finely ground aggregate. It is a fast-setting, weather-resistant and mold-resistant construction material that works well in wet areas. Apply 1 Pass on many types of interior and exterior surfaces, from featheredge to 1 in. D in a single, full-depth application....'

How soon can it be painted

Asked by Boo January 2, 2021
3
Answers

After 16 hours.

Can it be used on plywood?

Asked by Nata December 7, 2020
7
Answers

I'd suggest NOT. From the manufacturer;'....Use Mortar Mix for general and structural concrete repair, stucco and plaster repair, one-coat exterior plaster, mortar beds, underlayment, and formed work...'

Will this work for large driveway cracks?

Asked by Charlie November 11, 2020
3
Answers

Charlie, I think you could use this product for filling your cracks. Just be aware that this product is very fast setting. If you have a lot of work to do, you might think about using a regular type M mortar.

can I use this product to make concrete molds

Asked by HomeDepotCustomer November 2, 2020
2
Answers

I've done so but for a better artistic product they recommend the product CEMENT ALL.. It's finer physical texture fills voids and molds better. HINT - Use the SET product additive to allow you more time to work with the mix. Look at the various online videos about these products in YouTube to see the differences.

55 lb. Mortar Mix - page 2

Customer Reviews

  • 4.5
    out of 601 reviews
  • 83% recommend this product
Filter by:
Showing 1-10 of 601 reviews
I used rapid Set Mortar Mix to make 3" thick...
I used rapid Set Mortar Mix to make 3" thick step treads. Each tread was 4.5 bags of Rapid Set Mortar Mix. I used the Rapid Set Flow control and Set Control for a perfect consistency and to give more time before it set up. The result was very few voids.
by RER2
This is a excellent material to use for our stomwater...
This is a excellent material to use for our stomwater system work. It will stick to concrete and brick and stay in place. Although the cost for the material is higher, your wait time to setup and cost for labor time decreases then the regular, cheaper mortar mix.
by HomeDepotCustomer
Using this to fix cracked and missing mortar on my...
Using this to fix cracked and missing mortar on my basement wall project. Once the surface is prepared Rapid set Mortar worked great to repair small cracks to large areas of missing mortar. It dries fast and is very strong. It grips great and have walls I did over 2 years ago and not 1 crack has developed . Highly recommended product
by fabman378
This mortar is what I chose to use to make...
This mortar is what I chose to use to make these concrete countertops. I had to work quickly and in an organized manner. Inverted casting was the best method.
by HomeDepotCustomer
1 person found this helpful
Worked well to hold stone on an outside wall of...
Worked well to hold stone on an outside wall of a friend's home. The stone is thick and heavy, this completed the look the home owner was going for.
by HomeDepotCustomer
We are a painting company here in Jacksonville, FL. We...
We are a painting company here in Jacksonville, FL. We do lots of painting and stucco repairs. This product works great for all sorts of waterproofing and stucco repairs. See more pics @ https://www.procolorpaintingllc.com/jacksonville-waterproofing.html
by PRO
Stone Wall Mortar
Used the mortar to build a stone wall . Attached the mortar to concrete cinder blocks and then attached field stones to the wall and mortar . Used a common trowel bought at Home Depot to work the mortar into cracks . Bought from Home Depot a mixer and an orange pail Mixed small portion at a time as the rocks need to set before adding more stones . The set up time was quick. Was very happy with the product
by C Gunn
The Mortar Mix added a nice finishing touch to my...
The Mortar Mix added a nice finishing touch to my DIY project.
by Jason1625
Works great on styrofoam...
Works great on styrofoam
by HomeDepotCustomer
Perfect for spalling repair. Tried different products and this is the best. Easiest to use, quic...
Perfect for spalling repair. Tried different products and this is the best. Easiest to use, quick setting, no voids, and creates great repairs.
by KeysBill
Showing 1-10 of 601 reviews