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by robomartin 1636 days ago
This is horrible. I hope everyone is OK. Homes can be rebuilt. Life is what matters.

About three years ago I had to do a bunch of research on fire resistant construction for a project. I came across something that is fantastic. Part of me doesn't understand why this isn't a requirement in fire-prone areas, if not every home and building.

This is the product we used, of course, there are other manufacturers.

https://www.youtube.com/watch?v=lVWVP3tKlZc

No affiliation at all other than being a customer. Yes, we conducted our own tests before making the decision.

It won't resist flames forever, but it absolutely delays the maximal burn event. In addition to this, it provides a potentially significant delay of the spread from structure to structure, particularly if the gap between structures is reasonable (say, 10 ft or more).

In speaking to LA County permit authorities I learned that one of the problems using advanced technology is that the bureaucracy of the system gets in the way. It's truly sad. The way the engineers put it to me translates to: If we don't have a checkbox, you can't use it. Seriously.

The only way to use it is for YOU to foot the bill and pay to conduct all the tests required to add the product to the approved materials list. This process, again, due to the bureaucracy, could take years. And, BTW, much as is the case with a lot of things in the US, obtaining approval in one county does not automatically allow someone to use it outside that county. Sometimes I think the US is a bunch of independent little kingdoms, much more so than a country.

In our case we could not obtain approval because the material was not on the list. We provided tons of proof, even getting the CEO's of various intumescent coating companies involved. The approvals are very weird, for example, a product might be approved for outdoor use and not approved for indoor applications. No, not because it won't work or is toxic. More often than not it is because the tests were not conducted for that particular application and you are out of luck. You might be approved to paint your walls with this stuff but are not allowed to coat your framing, rafters, etc. with it. Crazy.

We ended-up working around these barriers because this was a DoD project. They simply pulled rank and that was that.