Does anyone have information on a product called Insuldeck? It was used on a roof built around 1981. A web search shows that there are two current companies selling a product by that name, but neither one matchs the product used on my project. The Insuldeck used on this project appears to be a...
I am being asked to design a custom truss with a completely unbraced bottom flange. The dead load on the truss is so light that there is a net uplift with wind load. This puts the bottom chord in compression. I don't like this condition, but I would like to have more than "I don't like it" for a...