Home Products Who We Are Technical FAQ Contact Muir Timber Systems, Selfbuild, Timber Frame, Truss, Doorsets, Timber Kit, Roof Trusses, Quality, Cost effective, Free Estimates, Central Belt, Fife, Scotland, Muir, I-Joists, Joists, Finishings, Sustainable. Welcome to Muir Timber Systems Muir Timber Systems are a market leader in the design, manufacture and supply of timber frame, floor cassettes, roof trusses, door sets and finishes to contractors, housebuilders and private individuals. From our base in Fife, Scotland, our experienced in-house estimating kit and truss design team can help to provide you with a cost effective solution to your project needs from care homes, multi storey flats, one-off houses or small extensions. Muir Timber Systems is part of the Muir Group. © 2013 Muir Timber Systems Ltd.