latex paint as glue

SDE

Well-known Member
I need to notch some trusses to make more headroom for the door openers. It might be only an inch, two at the most, in height. I am going to re-enforce the trusses by adding a three foot long 2 x 4 above the relieved area and holding it all together with plywood on each side. I would use screws to hold the wood together, but I also have some old paint. Is paint a good adhesive?
TY
SDE
 
Over the years I have found that paint will stick thing together when and where you do not want it to. As for being used as a glue I cannot say for sure but I know paint sure as heck will glue a window shut
 
Construction glue in your caulking gun will make a permanent bond , its not expensive and its the right way to laminate wood together
 
(quoted from post at 09:53:17 06/26/18) Construction glue in your caulking gun will make a permanent bond , its not expensive and its the right way to laminate wood together

You can even get in plastic squeeze tubes like tooth past.
 
I had wanted to get half of the work completed here at home, and then drive to town, because the garage is on the other side of town. I have some glue, but not enough to do this job.
TY
SDE
 
No. Latex paint will not work as glue. It's made to expand and contract with temp changes. Latex paint is basically a thin rubber coating once applied.

In by book they only make two wood glues. Grip Rite in a tube and Titebond in a bottle.

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I am not seeing this... Why would you need to notch the roof trusses for a door opener?

If you mean a door opening.. Unless the ceiling is less than 7' you should not have to be cutting the trusses at all.
 
Ahhh, they call "paint" paint because it's.....paint. They call "glue" glue because it's glue...
 
Latex paint is barely good for paint. You can't expect it to be an adhesive. Get you some wood glue. If it's somewhere exposed to a very humid weather use an exterior glue such as titebond III or elmers glue-max.
 
In case you can't get enough room, or for anyone faced with such problem, one of these will work where there is limited room.

They work well, a little more money, but sometimes this is all that will work.
Jackshaft Opener
 
notching trusses is really bad karma, the the bottom is in tension, when you notch all that ability is gone.
 
I did something similar when I built a tractor shed a few years ago, but I built my trusses from scratch myself. I think I have the bottom chord almost a foot higher in the door area, works great! I used osb on both sides with construction adhesive and lots of nails. construction adhesive is cheap, that's what I would use.
 
If there's not enough room for an opener, consider installing a "low overhead" kit on your door. That will free up room for the opener.
 
When one of the "framers" "accidentally" notched a 2x4 truss chord while re-building the roof to my shop from tree damage, the structural engineer made them nail and glue a full length 2x4 alongside the notched one for a structurally suitable repair.


You don't want to notch your trusses.
 
> Because it's done all over everyday. You should see what plumbers do. It takes a lot to weaken a truss.

Two true statements and one false one.
 
> Everybody is entitled to their opinion. I happen to be in the construction industry.

In this particular case, the only opinion that matters is that of the licensed Professional Engineer who stamped the drawing of the truss you notched. What does he say?
 
There is always a difference in what those college boys say and what works in real life. I've seen places where someone has notched the bottom chord on trusses where there is only an inch of wood left and has been there for decades without a problem. I personally wouldn't do it but I see a lot of it. Cutting just an inch and re-enforcing the truss I don't see the problem.
 
(quoted from post at 23:02:20 06/27/18) > Everybody is entitled to their opinion. I happen to be in the construction industry.

In this particular case, the only opinion that matters is that of the licensed Professional Engineer who stamped the drawing of the truss you notched. What does he say?

Nope, the local Barney Fife building inspector with zero engineering degree or experience has the final say if allowed or not.
 
Are you talking about cutting a hole through the neutral axis of a beam or are you talking about making a notch on the edge of a truss member? There is a big difference.
 

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