What Is Nail Laminated Timber

Tall wood buildings like t3 minneapolis have used nlt as floor and roof panels atop glulam beams.

What is nail laminated timber.

Nail laminated timber or nlt. Nail laminated timber nlt. Wood structural panel sheathing. Nail laminated timber design guide using lessons learned from real projects this guide provides practical strategies and guidance for the safe predictable and economical use of nlt.

Its structural performance and design elegance come together to create inspiring spaces in many historical buildings as well as modern new projects of all sizes. 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. In north america the material providing the laminations is termed laminating stock or lamstock. Glue laminated timber glulam is a structural engineered wood product commonly used for beams and columns in residential and commercial applications.

Nail laminated timber or nlt is the stuff that the t3 building is made of because there was not enough clt capacity in north america to make that big a building and supplier structurecraft. Nail laminated timber nlt is a mass timber product created by turning dimensional lumber on edge and mechanically fastening the laminations together with nails. Nlt is most commonly utilized for floor and roof systems though it can also be used for walls elevator shafts and stair shafts. Nlt nail laminated timber is a mass timber panel system which can be used for floor wall and roof structures.

To provide additional structure plywood sheathing may be added on the top side. Nail laminated timber aka nlt is created by stacking dimensional lumber on edge and joining it together with nails. Nail laminated timber nlt or nail lam is a century old construction material that is undergoing a design renaissance. But in fact there is a much older technology for building with wood that warehouses and factories were built out of 150 years ago with a fancy new name.

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.