Laminated Wood Roof Beams

Staggered pattern with at least a 3 x 120 nail.

Laminated wood roof beams. Made in a factory under controlled specifications it is stronger straighter and more uniform. To learn more about trusses you can visit midwest manufacturing where you will also be able to request a quote from our truss. Glulam beams manufactured by apa members are certified with the apa trademark. Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties.

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. American forest paper association s wood structural design data provides span recommendations for solid sawn wood beams up to 32 feet but the table runs a hefty 140 pages. Some even use glulam for long span roof beams and heavily loaded floor beams. Rosboro laminated deckingtm is a cost effective alternative compared to other mass timber floor and roof systems such as clt cross laminated timber.

Features and benefits of laminated decking easier to handle and install than bulky panel systems. Lvl offers several advantages over typical milled lumber. Some of those options include laminated veneer and strand lumbers i joist and rim boards glulam beams and laminated columns as well as panel products. Boises laminated veneer lumber lvl is a product that uses multiple layers of thin wood assembled with adhesives.

Glue laminated glulam beams timber technologies glue laminated beams are superior in all strength characteristics to solid sawn lumber and pound for pound stronger than steel. Engineered wood products ewp lvl span and size charts. The apa mark of quality. These tables are provided as a guideline.

And even though span tables provide limited data they are very long. The wsdd is. Most beam tables only list values for whole foot spans like 11 0 12 0 etc. The 2012 irc code calls for a minimum of a 32 o c.

Our titan timber beams resist checking and twisting and are job site ready with one piece construction and more cost efficient than lvl and psl. We have learned from our experience to use at least a 3 1 4 x 131 groove shank nail in a column of four every foot apart down the laminate. Beams of more than one ply must be fastened together with either nails or bolts. One can find stock beams that come in 60 foot lengths and they are used for spans upward of 20 24 and even 28 feet or higher.

Glulams is strong and dimensionally stable so you can use it for a variety of applications. Our versa lam lvl is manufactured in either alexandria lena louisiana in eastern united states or in white city oregon for the western united states. The mark signifies that the manufacturer is committed to a rigorous program of quality verification and testing and that products are manufactured in conformance with ansi standard a190 1 standard for wood products structural glued laminated timber.