"It wasn't just the builds he was at, he pretty much did all of our fundraising," John Vaeth of the Fight For Firefighters Foundation told Eyewitness News ABC7NY .
When it came to building ramps, Klein never missed a single job during his six years with FDNY. Klein’s co-workers said Klein had a dedication that was contagious.
The week before Klein's death, he was finishing a project for a family in Seaford widening their doors and fixing their floor.