What Is Glue Laminated Timber

Glue laminated timber glt for residential commercial mass timber construction in australia the construction industry is responsible for 23 of greenhouse gas emissions green building council of australia 2019.

What is glue laminated timber.

Glued laminated timber also abbreviated glulam is a type of structural engineered wood product constituted by layers of dimensional lumber bonded together with durable moisture resistant structural adhesives. Glued timber is a wood product which does not fulfil the laminated timber standards but is made by gluing two or more items of sawn goods together. When glued with industrial adhesives usually melamine or polyurethane resin. Cross laminated timber clt a sub category of engineered wood is a wood panel product made from gluing together layers of solid sawn lumber i e lumber cut from a single log each layer of boards is usually oriented perpendicular to adjacent layers and glued on the wide faces of each board usually in a symmetric way so that the outer layers have the same orientation.

These emissions can be reduced by choosing timber as the preferred building material. Cross laminated timber clt is when layers of timber known as lamellas are glued together with the grain alternating at 90 degree angles for each layer. Glulam originated in germany around 1900 but didn t make its way to australia until the 1950s. A glue laminated timber is an engineered wood product meaning it is made from wood but is machined and assembled to precise specifications to create a predictable dimensionally stable building material.

Strength graded and ready finished glued timber products etc. It is now used for both structural and decorative applications. Such products are used as they are in loadbearing construction and as blanks for various wood products such as window frames laminated logs etc. Glue laminated timber is the product of a manufacturing process where a number of smaller layers of timber are glued together to make a larger single component.

Glulam short for glued laminated timber is an engineered wood product. In north america the material providing the laminations is termed laminating stock or lamstock. It is a highly visible form of mass timber in contemporary projects with long spans framing signature designs left exposed to take advantage of wood s natural aesthetic. Glued laminated wood glulam is a structural material manufactured through the union of individual wood segments.

Glue laminated timber glulam is when laminates are glued together by layering them with the grain which produces larger and longer length members. Large glulam members are produced from smaller pieces of stress graded and seasoned timber known as laminates. Other common engineered wood products include plywood oriented strandboard osb and laminated veneer lumber lvl.