Hello InterNACHI Forum members. I would be grateful for your advice and input. I recently replaced my roof and in the process had new truss straps installed so I can get the insurance credit for roof to wall attachment. My roofer provided a free wind mitigation inspection which states that the weakest roof to wall attachment is single wraps.
A couple of weeks later, I submitted my wind mitigation report to my insurance company and was told that “the straps are old ones and were not installed correctly”, so I cannot get the roof to wall attachment credit for single wraps. I am a registered structural engineer, so I am aware that the installation (single tapcon in the bond beam) does not have much capacity. However, I cannot find any reference that defines the required attachment of the strap to the wall. I have attached pictures of the as-built condition along with a screen shot from my wind mitigation report. If any of you can please take a look at the pictures and let me know what is wrong with the straps and where I can find a reference that requires an alternate installation I would by grateful. I would like to show the installation requirements to my roofer and have them fix their work.
Thank you for your help!