GBA Logo horizontal Facebook LinkedIn Email Pinterest Twitter Instagram YouTube Icon Navigation Search Icon Main Search Icon Video Play Icon Plus Icon Minus Icon Picture icon Hamburger Icon Close Icon Sorted

Community and Q&A

Pensmore concrete

user-1031655 | Posted in Energy Efficiency and Durability on

Saw a video online about a mansion in Missouri (72,000 sq. ft.) that is using some sort of concrete with small pieces of metal in it. This is supposed to increase the strength of the structure to help withstand natural disasters. Unfortunately, the article didn’t indicate what this product was called. It’s very small pieces of metal, not rebar. I’ve never seen anything like it. Does anyone have more information on this product? The video can be seen at The article there was posted today.

GBA Prime

Join the leading community of building science experts

Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field.


  1. GBA Editor
    Martin Holladay | | #1

    The concrete contains Helix steel fibers. More information from these two websites:

  2. user-1031655 | | #2

    Thanks Martin! I kind of see projects like these as being the equivalent of zoos in the conservation movement. No one really believes zoos are an ideal habitat for the animals, but they raise public awareness of the need for conservation. Too bad more of the big luxury homes that get all the press in the "luxe" press don't have more eco-friendly building features discussed. I know I saw an interesting clip about the house Lisa Ling the journalist built, but that's an exception rather than the rule.

Log in or create an account to post an answer.


Recent Questions and Replies

  • |
  • |
  • |
  • |