Simpson Strong-Tie - I-Loft Roof Conversion System

I-Loft from Simpson Strong-Tie is a revolutionary way to convert a loft using engineered timber I-beams instead of heavy steel girders. Timber I-beams are very strong, but also very light, which means they can be passed into the roof space by hand, so there is no need to hire a crane. And since the beams are installed from wall-plate to wall plate they can passed into the roof via the removal of several rows of roof tiles (instead of through side walls). Also, they do not penetrate party walls, which giv