engineered beams rated for outdoors

Glulam Beams - Forest Products Supply

Glulam Beams are 2x4 or 2x6 Douglas Fir dimensional lumber layered and laminated together with durable, ... -1.9 True E Stress Rating ... It is intended for above ground exterior applications and is most common for raised deck beams.

Effects of Outdoor Exposure on Properties of I-Joists

allowing the oriented strandboard and laminated veneer lumber in these systems to ... outdoor exposure, degradation, oriented strandboard, laminated veneer.

Outdoor exposure tests of structural laminated veneer lumber (II ...

To investigate the durability of structural laminated veneer lumber (LVL), outdoor exposure tests have been conducted since 1990 at a field-testing site at the...

Can Engineered Lumber Be Used in Deck Framing? | Professional ...

So why isn't engineered lumber used for deck framing very often? ... However, not all engineered wood products are suitable for outdoor exposure or available ...

Decks.com. Engineered Deck Beam

Engineered beams must be treated for use outdoors. Glulam beams are manufactured by gluing layers of dimensional lumber together. Parallam beams are...

Wood vs. Engineered Lumber | Professional Builder

With current industry production of more than a billion lineal feet a year (2003 production) and a rate of increase of over 20 percent per year, engineered lumber...

BOISE GLULAM? - Boise Cascade

BOISE GLULAM? beam products are manufactured with exterior-grade or wet- use adhesives that comply with all recognized standards. The benefit of the...

Laminated Beams & Rafters | Timber Technologies Products

Engineered wood beams and rafters from Timber Technologies of Wisconsin. ... Exterior Decks; Porches; Trellises; Boardwalks; Bridge Decking; Crane Mats...

Parallam? PSL :: Weyerhaeuser

Engineered Lumber · Parallam? PSL. Use beams, headers, and columns made from Parallam PSL and open up a whole new world of design options for the...

Structural Composite Lumber (SCL) - APA – The Engineered Wood ...

Structural composite lumber (SCL), which includes laminated veneer lumber ( LVL), parallel strand lumber (PSL), laminated strand lumber (LSL) and oriented...

Design Solutions for Exterior Decks: Q&A :: Weyerhaeuser

May 14, 2014 ... A: Our Parallam Plus PSL Specifier's Guide provides load/span tables for both beams and columns used in typical exterior deck applications.

A Lesson in Modern Framing Materials | This Old House

Engineered lumber is made from wood veneers and particles, glues, and resins to ... But both are used for exterior sheathing, subflooring, and sometimes even ... In fact, many local codes now mandate using hurricane-rated ties to provide...

Understanding Engineered Wood Beam Options - Nishkian Menninger

Jun 28, 2017 ... LSL is typically less expensive than other engineered wood beams. ... For exterior or weather-exposed conditions, glulam beams are generally ... Both SCL and glulam beams may be used where a fire-rated exposed member...

Can structural glued laminated timber (glulam) be used outdoors?

Glulam timbers will perform similarly to sawn lumber of the same species when ... For unprotected outdoor exposure the wood used must be heartwood of a...