Concrete40 High Strength – Rainproof Bag

Westbuild Concrete40™ High Strength Concrete Dry Mix is a carefully proportioned blend of portland cement, graded aggregates and admixtures, making it ideal for structural use or for placing where a stronger result is required.

Concrete40™ is particularly suited for any concrete works requiring a higher strength up to 40MPa. Now available in our new environmentally friendly, significantly stronger, rainproof, polyethylene (PE) packaging.


  • Concrete40™ is designed for structural footings, slabs, posts, and any construction work requiring high strength structural concrete up to 40MPa.
  • When mixed with the required amount of water, Concrete 40 will achieve a compressive strength of up to 40MPa after 28 days.

Available Quantities

Rainproof Packaging

Compare the benefits Rainproof bag Traditional Paper bag
Same quality product inside
Can be stored outdoors - No tarp required
Tear resistant
Reduces dust – cleaner to transport
No product leakage – less waste
Cleaner to handle
And all for the same price

Quick Information

  • 1 x 20kg bag = 0.01m3
  • 50 x 20kg bags = 0.5m3
  • 100 x 20kg bags = 1.0m3

  • Ensure the correct amount of water is used.
  • To achieve correct strength, thorough mixing is required.

Can be stored outside.

Further Information

Please visit our technical centre

Become a stockist

To find out how you can stock Westbuild products, please fill in the form below or call (08) 9309 2029.

  • This field is for validation purposes and should be left unchanged.


Request Delivery - Direct to Site

  • NOTE: To order this service, you must be an approved reseller or stockist of Westbuild products with an existing account. Call 9309 2029 for more information.



  • Enter the date you would like your delivery to arrive.
  • Choose your product. (Note: for multiple products or complex orders, please use the comments box at the bottom of this form.)

× ×