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I guess it would come down to whether or not you believe joint reinforcement rises to the level of "structural" when it mainly combats shrinkage and/or stair-step cracking. I think they see it as a service/warranty issue. I am repeatedly informed that they see very little of this cracking...

Jed, Much to my chagrin, no, they do not even have horizontal joint reinforcement. When an engineer does spec it... it often ends up on the ground and not in the wall. The bizarre thing about this issue is that one of the communities that DOES have horizontal joint reinforcement every other...

Thanks for the quick response Dave. I forgot to mention that control joints are just as evil in their eyes. So no control joints and no horizontal reinforcement outside the #5 bars in the bond beam. Surprisingly, in the past 2.5 years that I have been dealing with designing residential CMU in...

So... can anyone give me some insight into why production home builders in Florida do not use horizontal reinforcement(ie durowall, etc.)? Why do engineers feel comfortable in not requiring it in their designs? Would you consider it to be standard practice? Thanks, Raspo

Perhaps I wasnt clear enough about what I am asking. Manufactures of garage doors have series of garage doors that cover particular ranges of pressures. In analyzing the loads that the garage door will experience (in order to understand what door to specify/purchase), some engineers take a...

The Door & Access Systems Manufacturers Association (DASMA) utilizes a weighted average of the interior and end zone pressures in order to determine the wind loads acting on garage doors. I have also heard the argument that if any part of the door is in the end zone the entire door needs to...

I am new to Florida and to reinforced CMU design for residential construction. Most of the CMU design references that I have on had refer to 48"oc vertical reinforcement spacing as a maximum. However, I see that that majority of the designs here have spacings beyond 48"oc reaching as far as...