Surprising facts about Glulam Engineered Beams

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Looking to learn more about Glulam beams for your construction projects? This ultimate guide covers everything you need to know about wood construction, house building, framing, engineering, and building science. rosboro.com/glulam/
0:00 Intro
2:10 What is a Glulam
2:40 Deflection
3:25 Lam Stock
6:46 How Glulams are Made
8:10 Why X Beam Matches Framing rosboro.com/product/x-beam-24...
9:44 Manufacturing 60' Lengths
10:57 Break Testing Glulams
12:45 Cost Effective vs LVL, PSL
13:50 Architectural Flexibility
14:30 Camber vs Sag
15:30 Heavy Timber Rule
16:14 10 Reasons to Use Glulam
18:50 Glulam Columns
20:00 Pay it Forward
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29 июн 2024

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Комментарии : 112

@user-ur3vd9ku4s 2 дня назад

I was a certified grader in a glulam plant 48 years ago. this brought back a lot of memories.

@ohasis8331 3 дня назад

Glulams have such a lovely look when showcased in a building.

@drumswest5035 7 дней назад

I was the structural draftsman on the Olympic Oval roof in Vancouver and it was basically two curved gluams joined by a V shaped metal plate at the bottom, very interesting project. If you look at the picture you posted (@14:33) notice there are no hvac system visible, they were all hidden inside btwn the two glulams. The holes on the side was the air conditioning outlets. I liked your explanation of camber and the fire rating! The only caution on glulams is who manufactures them, I have seen some pretty bad ones too.

@prestonmiller9552 2 дня назад

Very well done and explained. When I used to work for a company that specialized in building church furniture, everything was built with white oak and the glue was a water proof resin glue that was applied heated to 180 degrees. Every day we had a test piece we would break, and the glue joints held while the wood would break first. Glue joints if done properly will always hold longer than the wood itself.

@michaeldonohue7167 7 дней назад

Great video. I’ve used LVL and PSL exclusively here in NC but I’ll need to give glulam a try on an up coming project.

@ldtenenoff 7 дней назад

yup agreed looks like closest dealer is in P.A. man i really enjoy this fella at AwesomeFramers he is so good about well just being humble. Wow wat a great yr so far for our weather

@carlbrown939 7 дней назад

Always a great video. Informative and pleasant to watch. And Roseburg products are quality.

@TheWatchit45 7 дней назад

Awesome video! Very informative Tim. Gluelams are my #1 go to, mainly because they are stable, no cupping, checking or twisting. Thank you for sharing.

@TheBeardedonee 8 дней назад

40 years bangin nails.... took all this for granted. On the Hood Canal. Thanks

@AC.Prince 7 дней назад

Remember seeing your name in the magazine years ago.I have been in the business since the '80s, still learning. Thanks

@espnmk 7 дней назад

Thanks for Sharing Timmy you and the crew are a wealth of knowledge.

@TBird89 8 дней назад

Great video Tim, covered all the bases on this great product and factory testing footage was 👌🏻👍🥇

@AlexAlex-zn9lf 8 дней назад

Always fun and educational to see what other builders are up to 👍

@ldtenenoff 7 дней назад

Once again ur setting the standard fer the whys and the hows correctly wen it comes to contruction process the right way teaching our youth that these things MATTER alot so thank you now its time to garden and make some saw dust of me own

@2point..0 7 дней назад

I am designing a Double Shed Roof home with Glulams exposed with 2 x 6 T&G all exposed for all to see beautiful wood fiber at its best, as always Liked#133 N Subscribed and a fan of the AwesomeFramers!!!

@BirchwoodBill 3 дня назад

Rosboro is very good at providing documentation for sizing beams and columns.

@dianem6073 2 дня назад

First vid I've viewed and couldn't have enjoyed it more. Looking forward to seeing them all !!!!

@jimanderson4495 7 дней назад

Thanks Tim. I grew up in Madison, Wisconsin where my Dad worked for Forest Products Laboratory from 1942 - 1969. I subscribe to your great channel and enjoy the current new house build.

@pcatful 7 дней назад

Excellent job! I watch Matt, Paul and a few other building presenters-everyone has something different to offer and you fit in just fine with unique information and style.

@h2s142 8 дней назад

My church in san jose had 120ft pre cambered 7’ deep glulams 2 parallel to each other. In the loma prietta earthquake of 89 they delaminated due to tension stress. We had to add 4 1”1/8 cables and regluam and clamp them together.

@h2s142 8 дней назад

I slept on the trampoline with the kids and got no sleep, grammar is struggling

@chrismoyler 2 дня назад

That is an incredible story. I didn't know that repair of glulam beams was technically possible. Any link please?

@h2s142 2 дня назад

@@chrismoyler www.structuremag.org/wp-content/uploads/2014/09/C-Structural-Failures-ON-LINE-VERSION1.pdf

@beetleclemens3727 7 дней назад

This sounds like some kind of an adventure cannot wait to go on the next adventure with you 😁😁😁😁😁😁😁😁

@KarlLew 2 дня назад

See also Norway wooden bridge failures at joints.

@thomassilvis8764 8 дней назад

Great job.

@missulu 7 дней назад

Awesome info, thanks for doing this video!

@timothysotelo4749 3 дня назад

Thank you, this was great information!!!

@edchristie4839 7 дней назад

Great informative vid Tim. Thank you from sunny Scotland 👍🏴󠁧󠁢󠁳󠁣󠁴󠁿

@jrwalker1048 2 дня назад

Thank you for the great content!

@lanceodell8058 6 дней назад

thank you for taking the time to educate us!

@electricalron 7 дней назад

So much great information at hand right here. You are so right about sharing the information and teaching others how to do this work. It's very important to "pay it forward" and the older and more experienced I become as an electrician, I have a whole list of people who have taught me along the way that I do actually thank as often as possible. Great channel, video, and experience. Thank you!

@bobmartin6055 7 дней назад

Many thanks for sharing!! I really admire your professionalism in building quality homes, you can tell by your attention to the details.

@sheltonsmith9270 5 дней назад

we love engineered lumber products

@JoshuaPanfile 5 дней назад

thanks for the video, I was hoping to find a video comparing different materials for beams and then yours just came out.

@dallasarnold8615 4 дня назад

Another point to consider about steel products is thermal expansion and contraction. The longer the member the greater the variation. One job site I was on, the previous crew had attached the steel beams at BOTH ends, which prevented any shifting on the supporting wall. Well, the sun did a number on the steel causing it to expand so much that it pushed the concrete block wall far enough that it collapsed. The beams should have been attached alternatively on one end only.

@curtisblair7618 7 дней назад

Interesting video. In central Florida I’d say over 90 percent of the builders are using LVLs. Probably the salesman are better at selling. lol. More work for the framers adding SDS screws. And the engineer has to spec the beam sizes and screw spacing. At least today they do have that option , used to be 1/2” through bolts everywhere. Now only bolts if the engineer requires them, usually at specific loads. The only time we see gluelam beams are for arch beams now, and some posts.

@OUTDOORS55 3 дня назад

We typically use lvls, especially for remodels, due to the ease of laminating multiple lvls on site without a crane or fork lift. I think in a lot of cases people would prefer exposed glulam, but the added cost and difficulty of installation usually makes them a no go.

@Freeagent-4-life 3 дня назад

A great vid. thanks for sharing.

@XYZ-Drafting_and_Designs 7 дней назад

I'm a big fan. Keep pushing!

@jimrowland8310 7 дней назад

I very much enjoyed this episode, very interesting, thanks 😊

@officialmultie 18 часов назад

Thanks for the great content

@dandexinventor 2 дня назад

Very cool! Getting ready to build our own home in the desert and I'm thinking to check what considerations need to be applied for the 120F+ temps we get here occasionally, the 125F temps we get here and there, but more than that, the 6 or so months of 100F temps we consistantly get. The joints open up at siding when the heat shrinks the panels (removing moisture) no matter the quality and even mfr'd product is subject to this, so we have had to re-caulk our siding panel joints often.

@richardwentland3489 7 дней назад

Fascinating! Thank you! God’s Blessings!

@chornii_boumer7324 5 дней назад

Thank you for this video. I learned about glulam being cheaper than others and the hybrid glulam. Also, the choice of using glulam as post instead of full-size timber or what we do is we build wood packs ourselves, I might suggest the idea to my boss to use glulam posts for efficiency. I do also prefer residential but here in the Okanagan unfortunately there is much work for residential compared to commercial. Thank you for the BC shoutout.

@Mrskyline25t 6 дней назад

Great video. So factual. ❤

@pdcro1247 6 дней назад

Great education!!!

@KingofFools 7 дней назад

Great video!

@scottcarlson8502 7 дней назад

Thanks Tim!

@sebastienloyer9471 2 дня назад

❤🎉 great information ℹ️

@Adam-pj3hd 7 дней назад

Informative!

@garnetfunk1562 2 дня назад

I love glulam

@user-vn6hi2bi3g 7 дней назад

Very informative great video, Thanks. Ray Stormont

@brianflanders5831 7 дней назад

Very interesting video

@toddroot1757 3 дня назад

My plan is to use glulams as the rafters in my great room with t&g pine on top

@markstipulkoski1389 7 дней назад

When you put a support in the middle of abeam, above that support, the top of the beam is now in tension and the bottom in compression. It's actually an easy thing to visualize if you just picture putting a heavy weight in the center of each segment and thinking about the curves they make. Outside radius = tension, inside radius = compression.

@ti3167 4 дня назад

Also I have never seen glulams, I always see LVL or PSL’s interesting to know they are more common or less common depending on what part of the country.

@ducoh2093 7 дней назад

I love glulam, one day I hope I can frame my entire house with glulam exclusively. Walls, Floors beams, rafters, everything. So strong and better than lvl in my opinion since it uses less glue

@sifis78 2 дня назад

thx

@davidjester7175 3 дня назад

About the only time we end up using Glulams around here-southwest VA-is in treated form for deck beams. Not sure why, because there’s been many a time I’ve been assembling a 2 or 3 ply LVL beam and wished we could have gotten the thing in one piece,” but you work with what they send you, right?

@jamesoncross7494 3 дня назад

How are they cost wise to steel? I always think that the glue won't last hundreds of years. What do I know though. I think it would be cool to put some steel in between layers of wood..

@royreynolds108 7 дней назад

Resorcenal glue is used for a lot of glulam.

@doscoronitas 7 дней назад

What area of study in engineering deals with wood framing homes? I think it would be a fun area to take classes.

@ryansoo4000 6 дней назад

Hello! Great video! At minute 17:10 you show a clip of you attaching roof rafters to the side of a glulam and the upper tip of the end of the rafter is sticking up above the top of the glulam. I thought that the entire bearing surface on the end of a rafter had to be against the side of a beam in order to provide proper structural support. Also, what are those infill blocks between the rafters and how do they work with when using an attic ridge vent? Finally, why would the addition of a post in the middle of a beam cause more uplift and where would the uplift occur?

@jerrellbevers6071 5 дней назад

The rafters stick up so that when the plywood is applied, it will meet in the middle of the glulam from each side, breaking in the center of the ridge when it's all said and done. The pieces at the ends of the rafters appear to be pieces of glulam. We used to cut 3/4" pieces of plywood to put in there as a nailer, but there is a possibility that the I-joist can be ordered like that nowadays.

@AwesomeFramers 2 дня назад

Good point, the bearing is important at the heel of the rafter, the top less so

@blamuk 5 дней назад

For the same structural capacity, are glulams really in general cheaper than LVL? I remember when I ordered that was not the case.

@AwesomeFramers 5 дней назад

I showed the invoice in the video that shows the price difference. LVL is slightly stronger than glulam but here is about $3/foot more for the beam I showed in the invoice. LVL of course would be 5 1/4 wide not 5 1/2.

@Sjwolosz321 3 дня назад

In my exprience . Some noodlehead builders , Self engineer and order a glulam 2x6 wide and 24 ' deep with a hefty crown for a floor .The crown never comes out . Some long spans have a 1.5" crown which never gets enough load on it to make it reasonable . It just imposes a permanent hump in the floor.. For ridges again . If the crown is excessive as a structral ridge . That hump never comes out . Works best if the rafters rise above the ridge for air flow and create their own plane and bypassing the crown. As most carpenters will have rafters intersect with the ridge , The rafters either have to get a smidgen longer in the center or ride down the glulam and come back at the merging ends . Seen'm plane the top edge . Have done a few homes well engineered where the lams are a visible feature and look great stained . Painted looks horrible .

@davewalker9926 2 дня назад

The better way to laminate a beam is with vertical laminations of wide laminate stock. Also, horizontally laminated beams should be glued and assembled with steel rod bolts inserted every 16 inches holding the glued layers together, with the top and bottom layers being thicker than the other layers.

@AwesomeFramers 2 дня назад

That's untrue.

@davewalker9926 2 дня назад

There's a Norwegian manufacturer that has done very recent research on this in support of their laminated beam products. I am managing the construction of a custom concert hall on Vancouver Island and a couple of reps from Norway came over to guide me with the install. Just as you mentioned: pre-stressed with an intentional opposing curve against the bearing direction of load.

@AwesomeFramers 2 дня назад

@@davewalker9926 I'm in Vancouver right now! Where is the building?

@davewalker9926 2 дня назад

It is very true that vertical laminations require higher quality lumber overall. So this is actually quite important as a factor for sustainability. Love this.

@davewalker9926 2 дня назад

@@AwesomeFramers Just north of Victoria on the Royal Roads University campus.

@user990077 6 дней назад

Can I make my own glue lams using Titebond III glue and regular 2 x 6's? Or am I asking for trouble down the road.

@AwesomeFramers 6 дней назад

I think you are asking for trouble. But you could talk to an engineer and see what their perspective is.

@user990077 6 дней назад

@@AwesomeFramers I have a BS degree in Electrical Engineering but I'm afraid it isn't much help in these structural issues. I have a friend that is a retired Structural Engineer (Civil) so I will ask him. Thanks for great content.

@seanmcbridelewis 8 дней назад

Are you (or anyone here) know where to start looking for glulam and other engineered wood products in the New England area?

@AwesomeFramers 7 дней назад

I would call your local lumber yard they're going to be your best resource

@carlbrown939 7 дней назад

Find a local old school lumberyard(Not homedepot) and inquire within.

@missulu 7 дней назад

Call a local builder or architect, they should have some information for you.

@TheDroppedAnchor 7 дней назад

These dougfir glutamates are termite-resistant, correct? From a West Coaster now living in New Orleans.

@AwesomeFramers 7 дней назад

That I don't know. I'd just email Rosboro.

@royreynolds108 7 дней назад

Treated glulams can be made for fire and insects.

@chadsimmons6347 2 дня назад

That pressed & glued stuff is ok if your weather stays dry during construction,,,rained on for a couple months? trashed!!!

@ti3167 4 дня назад

Hi, Can I just make my own? looks like a bunch of 2x4’s stacked and glued together, no much to it…

@AwesomeAggron1000 3 дня назад

This must be a joke. There is a lot that goes behind engineering a glulam beam alongside testing. You can go ahead and make them yourself, it won’t be the same. Technically anyone can try to make a building it’s not hard but when you want to make sure your building is stable that’s where you hire an engineer. Same with glulam.

@JD-fx1mb 5 дней назад

The problem is the info on the beam like " Top" is written in English, when the majority of construction workers are from a foreign country and never learned the imperial system. I like that some companies work very hard to make things idiot proof however proper education and supervision go a long way. FYI most people in and out of the wood construction industry do not know the physical dimensions of a S4S 2x4. This includes a lot of Architects and the drafters. Not sure when a S4S 2x4, 2x6 and 2x8 were standardized but it would be nice if the people drawing the lines had a better understanding of the material in the projects.

@AwesomeFramers 5 дней назад

Actually, top is also written in Spanish "arriba" and has been for quite some time. At least on those beams we get.

@lagunafishing 2 дня назад

Traditionally the adhesive (glue) used in laminated wood was made from soy isolate - defatted soya beans!

@chrismoyler 2 дня назад

The 2006 Bad Reichenhall Ice Ring roof collapse was due to the failure of the glulam beams. A great deal was learned about glulam following this disaster. Failure is believed to have occurred principally on the glue line of the comb joints. The use of urea formaldehyde glue, which isn't waterproof, and inadequate coating of the joints on the glue line allowed moisture penetration and deterioration of the timber. The issue was not the strength of the beams when new, but their strength when aged. It therefore requires considerable expertise to craft glulam beams so that they do not deteriorate with age. Photographs of the failed comb joints are horrifying! Definitely NOT a job for amateurs! As always

@TheThuggyM 6 дней назад

Crazy side question though sir are you into the imagine dragons?

@jeffmcmahon615 7 дней назад

I just make my own. Easy and cheap.

@AwesomeFramers 7 дней назад

what glue do you use? How do you comply with testing standards required by code?

@fifthamendment1 5 дней назад

Just a suggestion, avoid using trade jargon or acronyms. As a lay person wanting to learn, I was was not certain what you were saying with some of your comments.

@jaymetcalfe7874 Минуту назад

Just look up the terms. I didn't understand everything but part of learning is doing your own research.

@charleselliott5767 8 дней назад

kent, wa here

@basicknoledge 7 дней назад

Used to live in Kent, beautiful place to live

@papatutti59 7 дней назад

I’m here in Kent, visiting right now. It’s beautiful here.

@charleselliott5767 6 дней назад

@@papatutti59 Watch out for guns...

@charleselliott5767 6 дней назад

@@basicknoledge It used to be beautiful..theres very few spots left undeveloped..its very sad now.... the Fentanyl and The guns....I want to move badly

@papatutti59 4 дня назад

@@charleselliott5767 I came upon a homeless camp, a block long, not too far from the hotel where we were at.

@liquidrockaquatics3900 4 дня назад

In several years, this is going to be more vital than anyone realizes. Making laminated wood construction is going to be vital when/if we lose the ability to generate electricity in a few years. Mankind is probably going to be in another ice age very soon, and who survives and who thrives will depend upon the skills and knowledge retained.