In the United Kingdom, converting stables into offices necessitated cutting the beam holding the floor down its full length and inserting a similarly sized steel plate. Uses of Flitch Beamįlitch beams are presently primarily used in traditional renovations to reinforce old lumber supports or for aesthetic purposes when exposed beams with the appearance of wood and the strength of steel are required. The metal plates included within the beam are referred to as flitch plates.įlitch beams were employed to strengthen long-span hardwood beams at a low cost, but have since been mostly replaced by more modern technologies.įlitch beam reduces fluctuations in timber performance and allows wide openings, such as garage doors, to be spanned while keeping lintel depth to an acceptable minimum.Įach beam is manufactured to design and can be cambered to meet the needs of the application. It is sometimes referred to as a steel flitch beam in that prevalent form.Īdditional alternating layers of wood and steel can be utilized to create a stronger beam. The flitch beam is typically composed of a vertical steel plate placed between two wood beams, with the three layers secured together with bolts. When properly constructed, they provide an effective way to evenly distribute the load across multiple parallel supports when compared with traditional single-plate solutions.Ī flitch beam (or flitched beam) is commonly used in the construction of houses, decks, and other wood-frame structures. Flitch plates are often used for beams in floor framing, wall framing and roof trusses, providing support for heavy loads such as walls or roofs. The steel plate provides additional strength to the assembly, while the wood provides insulation from heat transfer.
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