Engineered wood products pdf

Fiberboard Fiberboard, generally available as low-density LDF , medium-density MDF and high-density HDF applications, is made by combining wood fibres with wax and a resin binder, and forming panels by applying high temperature and pressure. Fiberboard is well suited for structural sheathing and roofing. OSB Oriented strand board, or OSB, is made by bonding compressed timber strands with polymeric adhesive, with the strands on the outer layer normally oriented with the strongest direction of the board.

OSB is typically used as sheathing in walls, floors and roofs, or for making furniture. Image: xstrade. Glulam Glue-laminated timber, widely known as glulam, is made by bonding together layers of solid timber boards with structural adhesives where each board runs parallel to the longitudinal axis of the element. Glulam elements are often used as load-bearing joists, beams and columns.

Image: ecobirch. CLT Cross-laminated timber, also known as CLT, is made by bonding an odd number of softwood layers with structural adhesive under pressure, where each layer is placed at a right angle in relation to the previous one.

CLT panels are typically used as load-bearing wall, floor and roof elements. Image: storaenso. LVL Laminated veneer lumber, often abbreviated to LVL, is made with rotary-peeled wood veneers oriented primarily in the same direction and bonded with phenolic resin.

LVL is typically used as load-bearing beams, trusses and rafters, or floors and ceilings. Image: metsawood. PSL Parallel strand lumber, also known as PSL, is manufactured by bonding long veneer strands in parallel with phenolic resin.

PSL is typically designed to be used in structures with long free spans, such as beams and columns. Image: fastepp. LSL is typically used for walls, floors and ceilings, whereas OSL is well suited for use as beams, rafters, sills and columns. Image: lignum. DLT Dowel-laminated timber, in short DLT, is made by friction-fitting a stack of softwood lumber panels together with hardwood lumber dowels.

No metal, glue or plastic is used in the process. DLT panels can be used for floor, wall and roof structures. Image: structurecraft. No glue or chemicals are used in the process. MHM can be used as load-bearing wall, floor and roof elements. Click here to download a. The one to two day turnaround time on orders is second to none.

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