Nominal (ASD) vs. Ultimate (LRFD) Wind Load Pressure Calculations

Just when you think you have understood wind load calculations something new is added.

So, there is a big question between what is Nominal versus Ultimate and what is ASD (“Allowable Stress Design”) versus LRFD (“Load Resistance Factored Design”).

In short the ASD method of wind load calculations is the Nominal, and the LRFD method is the Ultimate. In the programs this is simply a selection in a pull-down, making it the easiest way to toggle between the two with just one easy step.

Once again! is the only wind load calculator online that thinks about its customers first and providing the best and easiest way to calculate wind load pressures; in the world!

When you need wind load pressure calculations fast and easy to understand, people choose’s wind load calculator; worldwide.