Tapered #glulam beams with coverboard
Earlier this week, we were busy finishing these tapered glulam beams. This project called for us to add coverboards (shown in this first picture) to cover up the glue lines that show when the angled...
View ArticleLag Screw: Wednesday's Word(s) Of The Week
Lag screws are standardized, large diameter, partially threaded screws commonly used in wood construction. Because dimensions are set by an ANSI standard, lag screws are readily available from multiple...
View ArticleFully Threaded Lag Screw: Wednesday's Word(s) Of The Week
Although not standard, it is possible to special order lags which are threaded their entire lengths. Lead times and cost are significantly higher than standard lags. They are typically used as...
View ArticleGlulam Can Be Rough, Too
We have a large rough-sawn project going through our plant right now. We added a rough finish to the exposed sides of these beams before staining them. This gives the glulam the look of old, hand-hewn...
View ArticleCarriage Bolts: Wednesday's Word(s) Of The Week
Carriage bolts are a special type of bolt used in wood construction. Instead of a hex-head, they have a rounded, dome head. These bolts are used where people or objects might rub against the bolt head,...
View ArticleMoment Connection: Wednesday's Word(s) Of The Week
Installing a Moment ConnectionA moment connection is a rigid connection between parts where rotation is fixed. For example, a purely cantilevered beam only connected at one end (and therefore rigidly...
View ArticleWashers: Wednesday's Word Of The Week
Another basic type of hardware that most people are familiar with is the washer. Washers are used in glulam construction whenever a bolt head or nut would bear directly against the wood surface. They...
View ArticleThrowback Thursday: Jersey Devil
We found this interesting article featuring the firm, Jersey Devil, that we worked with in the '70s. If you scroll down you can read more about the Silo House from 1975.
View ArticleA Retirement Celebration
This afternoon, we celebrated Duane Lowe's retirement after 21 years of service with Unalam. Duane actually has a lot more experience with our glulam, having installed it with Payne's Cranes for...
View ArticleCombination Layup: Wednesday's Word(s) Of The Week
Glulam is produced using standard lumber as the raw material, which is supplied in nominal sizes between 1x4 and 2x12 and up to 20' long. In all glulam beams, the wide faces of lumber are glued...
View Article#TBT Walt Whitman Birthplace Interpretive Center
It's really hard to believe that nearly 20 years have passed since we completed glulam trusses for the Interpretive Center at Walt Whitman's birthplace in Huntington Station, NY. Liz, our sales...
View ArticleManufactured Ply: Wednesday's Word(s) Of The Week
Manufactured plies cover the wide members of this pergolaIn last week's entry, it was described how a combination layup can be used to make glulam beams wider than 10½", and that it was one of two...
View ArticleBeautiful (and Unique) Glulam
Back in January we told you about some unique glulam frames going into a new building and shared a couple of photos. Here are some more pictures of the building as it is being completed.The outside of...
View ArticleUnalam Takes Manhattan
Last night, several members of the Unalam team descended upon Manhattan for the opening of Martin Puryear's Big Bling at Madison Square Park. We were so excited to see the sculpture fully assembled in...
View ArticleStress Combination: Wednesday's Word(s) Of The Week
To design structural members, engineers need to know the material properties and shapes of the parts they are using. Most materials come in a variety of strengths. There are grades of steel,...
View Article#Glulam Trellis At Long Island Transit Plaza
We manufactured a glulam trellis for the new Transit Plaza in the hamlet of Wyandanch, NY on Long Island. The trellis is made of curved glulam that has been pressure treated to better withstand the...
View ArticleBending Layups: Wednesday's Word(s) Of The Week
There are two general types of glulam layups and associated Combination Symbols. The first are "bending layups" listed in Table 5A of the NDS. These are meant for members primarily loaded in strong...
View ArticleTapered #Glulam Beams Are In
You might remember the post we did back in March about the tapered beams with coverboards. We received some photos of the beams installed in the field, giving you a good picture of their final end use.
View ArticleUniform Layups: Wednesday's Word Of The Week
The second type of glulam layup and associated Combination Symbols are the "uniform layups" listed in Table 5B of the NDS. These are used for axially loaded members or parts loaded in weak axis...
View Article#TBT #Glulam From 1974
There's a lot of talk recently about a resurgence in timber construction. We've been manufacturing timber used to build beautiful and durable buildings for over 50 years. Here's an example of a job...
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