Nail Laminated Timber Spans

Deck as the width of our roads and bridges increased a system of staggered butt joints were used with each butt joint over a stringer.

Nail laminated timber spans. Nail laminated timber nlt or nail lam is a century old construction material that is undergoing a design renaissance. In the aashtoware brr software check the box for the deck being continuous over more than 2 spans when this condition exists. Nlt nail laminated timber is a mass timber panel system which can be used for floor wall and roof structures. 2304 8 3 3 controlled random pattern.

In addition to being used in floors decks and roofs nail lam panels have been used for timber elevator and stair shafts. These panels are typically comprised of spruce pine fir or douglas fir 2x lumber stock stood on edge and nailed together side by side. Nail laminated timber nlt is a mass timber product created by turning dimensional lumber on edge and mechanically fastening the laminations together with nails. Sand to an even finish and spot prime to all affected areas.

Nlt is most commonly utilized for floor and roof systems though it can also be used for walls elevator shafts and stair shafts. Nail laminated timber nail length min 2 5 x t lamination nail spacing 30 o c 48 span 18 o c 48 span nail placement alternates between top and bottom t 2304 8 3 mechanically laminated decking. As nzs 1328 1996. However any wood species could be used for the lamination stock.

Nail laminated timber nlt nail laminated timber nlt or nail lam is created by fastening individual dimensional lumber stacked on edge into one structural element with nails. Nail laminated timber nlt nlt floor roof and wall panels have been in use since the early 1900s. Tall wood buildings like t3 minneapolis have used nlt as floor and roof panels atop glulam beams. Wood structural panel sheathing.

Glued laminated structural timber performance requirements and minimum production requirements. Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed. Nail laminated timber nlt. Fill any defects or nail holes with wood putty.

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.