Can glulam beams be pressure treated?
Treated glulam beams are pressure treated with a Hi-Clear II, a clear industrial wood preservative. It is intended for above ground exterior applications and is most common for raised deck beams.
Can glulam beams be used outside?
The ability of glulam beams to span long distances and their dimensional stability makes them an ideal option for garage door headers. In addition, pressure-treated glulam beams are available for exterior applications such as for deck beams, allowing for longer deck spans with fewer columns.
How thick should glulam columns be?
Individual lams typically are 1-3/8 inches thick for southern pine and 1-1/2 inches thick for Western species, although other thicknesses may also be used. Glulam products typically range in net widths from 2-1/2 to 10-3/4 inches, although virtu- ally any member width can be custom produced.
What is glulam column?
Glue-laminated timber (glulam) is a structural engineered wood product commonly used for beams and columns in residential and commercial applications.
Are glulam as strong as solid timbers?
Glulam has been shown to be as strong as steel, with greater strength and stability than similarly sized standard dimensional lumber. As compared to solid sawn lumber posts, Glulam is a stress-rated engineered wood product composed of layers of bonded wood laminations running the length of the post.
Are glulam beams expensive?
Glulam is stiff and sturdy and can be bent and shaped. It is able to make longer arches than traditional heavy timber and not require a supporting beam or post. Glulam can also be more expensive than traditional lumber.
How do I protect my glulam exterior beams?
Keep beams and columns covered to protect them from direct exposure to sun and rain, especially in hot, dry climates. Ensure that there is no direct ground contact or contact with moist or wet surfaces like fresh concrete or wet surfaces. Use dry lumber blocking to provide ventilation by elevating beams and columns.
How much weight can a glulam beam hold?
The beams withstood a range of loads between 69,000 and 95,800 pounds.
Is glulam better than wood?
Glulam provides us with a longer and larger piece of building material that is composed of smaller pieces of lumber. Glulam is also less prone to shaking, checking and warping since the smaller pieces of wood have been seasoned and laminated. This generally makes Glulam more stable than traditional timber.
What are the disadvantages of glulam?
Disadvantages of glued laminated timber houses: Manufacturers can use some substandard timber which darken, come unglued, etc. after some time. Compared to natural logs, glued laminated timber beams, to a certain extent, lose the natural look of wood.
Is glulam cheaper than wood?
Glulam is more expensive than non-laminated timber. This is because there are a large number of stages involved in the manufacturing process. Our glulam beam and glulam structure price calculator can give you a quick budget price.
Are glulam beams waterproof?
All Canadian glulam is manufactured using waterproof adhesives for end jointing and for face bonding and is therefore suitable for both exterior and interior applications. Glulam is commonly used in post and beam, heavy timber and mass timber structures, as well as wood bridges.
What kind of wood is used for glulam columns?
Building with YellaWood ® brand pressure treated glulam porch columns is one of the easiest decisions you’ll face during construction. Made from high-grade lumber for structural durability and beautiful appearance, the strength ratings of YellaWood ® columns rival more expensive PVC and composite options at a budget-friendly price.
What kind of preservative is used on glulam beams?
Treated glulam beams are pressure treated with a Hi-Clear II, a clear industrial wood preservative. It leaves a light honey color finish that is virtually undetectable to the naked eye.
What do you need to know about power preserved glulam?
The Power Preserved Glulam ® is durable, long-term solution for most exterior non-marine use structural applications. Power Preserved Glulam® offers fast, easy, one-piece installation that’s more efficient than bolting or nailing multi-ply dimension or structural composite lumber members together.
What are the benefits of Boise glulam beams?
The benefit of the BOISE GLULAM® beams is the flexibility of the product. Our beams are manufactured in a variety of widths and depths with lengths up to 66 feet, with or without camber. A wide array of appearance options and layups make this one of the most versatile engineered wood products available.