What size Glulam for 30 foot span | Glulam beam size for 30 foot span | what size Glulam beam do i need to span 30 foot
Glulam is glued laminated timber, also abbreviated as glulam, is a type of structural engineered wood timber product constituted by layers of dimensional lumber bonded together with durable, moisture-resistant structural adhesives. In US, the material made of wood providing the laminations is termed laminating stock.
By laminating a number of smaller pieces of glulam lumber, a single large, strong, structural member is manufactured from smaller pieces. These structural members are used as vertical columns, horizontal beams, and arches, header, girder, rafter, purlin and ridge beam in wood frame house.
Glulam optimizes the structural values of wood. Because of their composition, large glulam members can be manufactured from a variety of smaller trees harvested from second-growth forests and plantations.
Glulam beam depth are typically are 7 1/4 inches (184mm), 9 inches, 9 1/4 inches (235mm), 9 1/2 inches (241mm), 11 1/4 inches (286mm), 11 7/8 inches (302mm), 14 inches (356mm), 16 inches (406mm), 18 inches (457mm), 18 3/4 inches (476mm), 20 inches (508mm) and 23 7/8 inches (606mm).
Typical stock beam widths used in residential construction include :- 3-1/8, 3-1/2, 5-1/8, 5-1/2, 6-3/4 inches and 7 inches. For non-residential applications, where long spans, unusually heavy loads, or other circumstances control design, custom members are typically specified.
In this article we know about Glulam span thumb rule of what size Glulam beam do i need to span 30 foot for the construction of wooden frame house that will help you in better understanding and to figure out or estimate of Glulam beam size and their depth and help in important for you to use the right size.
◆You Can Follow me on Facebook and
Subscribe our Youtube Channel
What size Glulam for 30 foot span
Thumb rule for Glulam beam:- size of Glulam beam represented by their width and depth, as per thumb rule & general guideline, depth of the Glulam beam is 1/20th of span in inches and their width is 1/3 to 1/4 of the depth. If beam spanning is 30 feet in length, then their depth = (30 × 12) ÷ 20 = 18 inches, rounding it to 18 inches and width is 18/3 = 6″, thus you would need 5 1/2″ × 18″ size of Glulam beam for 30 foot span.
What size Glulam for a 30 foot span:– As a general thumb rule, the size of Glulam for a 30 foot span should be 18 inches deep and 5 1/2 inches wide. Therefore, for residential use in normal weight conditions, you would need something like GLULAM 5 1/2″ × 18 for spans up to 30 feet to provide great stability to your projects.
What size Glulam to span 30 feet:-Generally, a 18-foot-deep Glulam beam can span 30 feet. In general span is determined by species, grade, dimension, spacing, use and load. Typically, a standard size 5 1/2×18 glulam beam can span up to 30 feet at normal weight, providing great stability for your projects.
What size Glulam for 20 foot span
What size Glulam for 30 foot span
What size Glulam for 22 foot span
What size Glulam for 16 foot span
What size LVL header for 12′, 16′, 14′, 10′ & 8 foot span
Conclusions:-
As per thumb rule & general guideline, for a 30 foot span, size of GLULAM beam should be 18 inches deep and 5 1/2 inches wide, thus you would need something like a 5 1/2″× 18 GLULAM to span upto 30 feet length.