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Olathe, KS
Posts: 252
Joined: Feb, 2004
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Duluth, Minnesota
Posts: 58
Joined: Feb, 2008
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 New fire resistant I-joist
[#2] Posted: 07/07/2012 - 7:23:36 PM |  |  |
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Haven't seen them in the fire business yet in application or training.
You know, I wouldn't change my tactics on arrival, as I wouldn't know if the house had the new or old kind of joist. As for now, when we see the characteristics of a new house (in Duluth that's not many), showing fire for 5+ minutes, we really have a difficult call to make. Older houses give you 10-15, which makes it easy. Of course, conditions vary, but with wood I-joists and trusses in newer houses you just don't have the time. Fire spread and damage is much more pronounced. Gusset plates fail and glue melts. Each fire with these materials is unique as to structural failure. I think it would be a good thing if say, a subdivision was built and used these, then we would have it listed in the pre-plans. It would be a good thing for sure. Maybe when these are around for awhile it may be easier to determine a burn characteristic.
Anyway, I think we are just a few years away from mandatory residential sprinklers in new construction. Different topic...
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Brent Consie
I-Spect Home Inspection Services
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Olathe, KS
Posts: 252
Joined: Feb, 2004
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New fire resistant I-joist
[#3] Posted: 07/08/2012 - 06:01:36 AM | | |
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Yeah, we won't change our tactics either and have seen way too many close calls with them over the years, but it is a step in the right direction if they work as designed. Big IF. I try to quickly get a look at attic and floor framing when I make entry as we have many mixed lightweight and conventional framed homes. Didn't know there was another FF/inspector on here. Stay safe. Kevin
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Kevin Wattenbarger
Allied Home Inspections, Inc. Olathe, KS
"Helping You Understand Your Home's Health"
www.AlliedHomeInspections.com
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