Engineered joists allow you to build fast, build to last and build for less. To maintain a competitive edge construction professionals are turning to open web floor solutions to meet these demands and more. The most common engineered joist open web system on the market is the metal web joist such as Alpine’s TM SpaceJoist. Engineered timber open web joists have all the key features and benefits of their metal web counterparts and more! TM Alpine’s FloorTrus system is the pioneering system of this type in the UK and Ireland.