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Old 07-09-2019, 11:43 AM   #1
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Guy built my deck and did a crappy job. How can I fix this sistered beam?


Here are pictures of the problem area.


The posts were notched to hold two 2x. Those 2x were lag screwed in. However, the length of the sistered 2x are not lag screwed and dont have an adhesive or anything and I dont want them to split. There's already probably a 1/4"+ gap. Honestly, nothing will probably happen if I leave it as is, but i'd like to fix it.


Should I just get some lag screws and snug it up? I'm scared of two things here: 1)that the gap will widen as I've seen happen when I screw two pieces of wood together that arent clamped. 2)that the first board will actually snug up to the second thereby pulling the 2x off the post a little which i definitely DONT want. Would it be better to use a carriage bolt?
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Old 07-09-2019, 02:06 PM   #2
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


They should be nailed 3 nails 16" OC. You should be able to just use screws that are rated for the treatment .
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Old 07-09-2019, 03:03 PM   #3
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


I would clamp the offending boards tight together.

Add 2 & 3/4 inch DECK SCREWS, at 16" OC. along the length of sistering.

remove clamps.

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Old 07-10-2019, 08:17 PM   #4
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


I would add some galvanized bolts thru both boards to pull them together then sit on deck and have a couple of beers.
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Old 07-11-2019, 05:31 AM   #5
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


2 Bolts through post and beam

Three nails every 24" in double beam

Top nail slanted to the right

Middle nail straight

Bottom nail slanted to the left.

Do both slanted nails first to draw, then straight nail to lock

You may have to use a clamp to hold both boards together for nailing since this is suppose to be done before installation or before adding the joist.
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Old 07-11-2019, 05:35 AM   #6
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


Quote:
Originally Posted by ron45 View Post
2 Bolts through post and beam

Three nails every 24"

Top nail slanted to the right

Middle nail straight

Bottom nail slanted to the left.

Do both slanted nails first to draw, then straight nail to lock

You may have to use a clamp to hold both boards together for nailing since this is suppose to be done before installation or before adding the joist.
Slanted nails won't pull them together. You have to get them together first.
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Old 07-11-2019, 07:22 AM   #7
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


Besides, the squeaking they'll eventually end up doing will drive you nuts.
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Old 07-11-2019, 08:18 AM   #8
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


Quote:
Originally Posted by huesmann View Post
Besides, the squeaking they'll eventually end up doing will drive you nuts.
And if you use nails on a deck, you are allowing for them to pull apart later, with shrinking, warping and may cause body injuries.

Ripped skin on nails hurts, and if you don't care for the injury you might get gangrene, and lose a body part.

See link.

https://www.diychatroom.com/f45/rust...nails+gangrene


ED

Last edited by de-nagorg; 07-11-2019 at 08:21 AM.
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Old 07-11-2019, 10:26 AM   #9
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


That's the problem with assembled beams, especially if built with soaking wet PT. The boards tend to move a lot and pull apart even if they're nailed.
You can minimize this by assembling the beam with the grain in the same direction on both boards; like this ))
A lot of builders build the beams with opposing grain... () or )(

Edit, also... those lag screws should be thru bolts.
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Old 07-11-2019, 03:19 PM   #10
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


I would get some rope and some duct tape and some elmer's glue.

First, I would put the duct tape along the bottom of the two boards to prevent the glue from coming out.

Next, I would squeeze the glue along each board and using my fingers, spread the glue out. As the glue dries on my fingers and hands, I would just stare at it and play with it and finally peel it off and, well, eat it. Beer helps it goes down real well!

Taking the rope, I would start in the middle and making a tight slip knot, I would start winding the rope around the beam as tight as i could. Stopping every now and then to make another slip knot to help hold the rope in place. I would also alternate side as well so I be consistent in pressure. And of course take many beer and whiskey brakes.

Once I got to the end of a section, pausing to take a slug out of the whiskey bottle, I would take the elmers glue and spread it over the section of rope I just finished.

While watching it dry, I would cook up some magical mushrooms and whiskey and then snarf them down. While contemplating my navel and smoking a blunt, I would play with the glue on my toes and wonder what the ropes is for.

After trying to put out the flames from the whiskey and whatever else was in it, I had to call the fire department and they were able to save whiskey but not the deck and house.

I guess I have my work cut out for me next week, don't I?
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Old 07-11-2019, 07:02 PM   #11
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


Quote:
Originally Posted by Nealtw View Post
Slanted nails won't pull them together. You have to get them together first.
Really Neal..

Read my comment again and this time take those blinders off.


"" 2 Bolts through post and beam

Three nails every 24"

Top nail slanted to the right

Middle nail straight

Bottom nail slanted to the left.

Do both slanted nails first to draw, then straight nail to lock

You may have to use a clamp to hold both boards together for nailing since this is suppose to be done before installation or before adding the joist.""
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Old 07-11-2019, 07:08 PM   #12
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


Quote:
Originally Posted by huesmann View Post
Besides, the squeaking they'll eventually end up doing will drive you nuts.
Squeaking... Really

You have never heard a beam squeak.

You may have heard floor boards/plywood and joist squeak but never a beam.

Screws are not suppose to be used in the framing.
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Old 07-11-2019, 07:15 PM   #13
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


Quote:
Originally Posted by ron45 View Post
Really Neal..

Read my comment again and this time take those blinders off.


"" 2 Bolts through post and beam

Three nails every 24"

Top nail slanted to the right

Middle nail straight

Bottom nail slanted to the left.

Do both slanted nails first to draw, then straight nail to lock

You may have to use a clamp to hold both boards together for nailing since this is suppose to be done before installation or before adding the joist.""



I read it just fine, if you are writing to people that don't know you have to give the detail, you left out one line. My quote to you was not about you, it was for all the other people that would read it.


2 Bolts through post and beam

Three nails every 24" in double beam



If they are now tight together



Top nail slanted to the right

Middle nail straight

Bottom nail slanted to the left.
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Old 07-11-2019, 07:45 PM   #14
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


OMG! Better get the wrecking ball out and tear the whole thing down. Might as well tear the house down too since I think there is a scratch in that paint too.

This isn't a huge concern. Ideal? No, but not enough to claim a "crappy job".
What I would be concerned with once you go through all the trouble to make these two beams snug to each other is how you're going to deal with the water that's going to get in between them? With the beams snug together and any kind of glue (don't use glue) the water will be trapped and rot those beams in no time. You should have some Vycor or other self stick membrane across the top to keep the water out and not have anything in between so that when water does get in it will have somewhere to go.
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Old 07-11-2019, 09:54 PM   #15
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Re: Guy built my deck and did a crappy job. How can I fix this sistered beam?


Quote:
Originally Posted by NotYerUncleBob2 View Post
OMG! Better get the wrecking ball out and tear the whole thing down. Might as well tear the house down too since I think there is a scratch in that paint too.

This isn't a huge concern. Ideal? No, but not enough to claim a "crappy job".
What I would be concerned with once you go through all the trouble to make these two beams snug to each other is how you're going to deal with the water that's going to get in between them? With the beams snug together and any kind of glue (don't use glue) the water will be trapped and rot those beams in no time. You should have some Vycor or other self stick membrane across the top to keep the water out and not have anything in between so that when water does get in it will have somewhere to go.
Yes!!!


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