Changing Out Existing Garage Door Lintel In Natural Stone Wall - Masonry - Contractor Talk

Changing Out Existing Garage Door Lintel In Natural Stone Wall

 
 
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Old 06-24-2017, 02:00 PM  
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Changing Out Existing Garage Door Lintel In Natural Stone Wall


Got a lintel that is around 17 foot long on a natural flagstone wall that we need to switch out because it is undersized. The issue we have is that the new flashing detail requires us to go up 18" above the lintel. Being irregular shaped stone does anyone have a suggestion of how to temporary support the wall while removing the lintel/stone above?
Here is a picture http://imgur.com/a/r2LVc
Thanks for the help/suggestions.
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Old 06-24-2017, 02:32 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Remove it.

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Old 06-24-2017, 02:42 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


What a pain!

Usually i punch a hole all the way through and shove a beam through but that probably won't work there due to not having enough height inside the garage.

I wouldn't trust taking the steel out without supporting the irregular stone in some way

Maybe some one else has a better idea but maybe punch a hole and find the wood header and resting shoring on there?

Here is a job i did a while back adding an opening to a solid masonry wall but there was plenty of head room for shoring







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Old 06-24-2017, 03:39 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Quote:
Originally Posted by Tscarborough View Post
Remove it.


Unfortunately it looks like from the pictures you would have to remove it all the way up!


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Old 06-24-2017, 04:16 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Sorry for the short reply, I was framing a window earlier. This picture shows the amount of stone that needs to be removed (if it was a solid faced wall, no windows), under the circumstances, you may as well take off the whole face as I assume someone has responsibility for the undersize lintel and will be paying for it.

It looks like new or nearly new construction, but I do not see any sag. What is driving the the refit?
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Old 06-24-2017, 04:26 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Yea i dont see any sagging or cracks either. Looks pretty good in the pictures




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Old 06-24-2017, 04:34 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


These have become more popular in the last few years for propping brickwork, although they are not so good on stonework.
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Old 06-24-2017, 04:53 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Unfortunately,this will not help you with flagstone walls.I 'm pretty handy fabing steel,thought about making some up for myself,especially since there is no distributor in the States. Maybe Stuart knows about this since they come from his country.


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Old 06-24-2017, 05:13 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


With a stone face you can sometimes get some of these strongboys in the beds joints in different places.
https://www.google.co.uk/search?q=st...LivGEDHKMXioM:
The method in your link Fred is possibly not as popular here as the newer one above using a scaffold pole.
As with any job involving propping a large span it's not easy to give really accurate advice when not on site.
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Old 06-24-2017, 07:24 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


If it were me I would take a stone out every 2' and bolt the beam into the header like it was supposed to be done.
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Old 06-24-2017, 07:26 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Or you could cut an arch above it, lay a header course there like above the opening, let it sit up for a couple weeks, pull out the beam and re do it.
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Old 06-24-2017, 07:28 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


I zoomed in A LOT and there are no visible cracks, pull a stone and bolt it in imo.
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Old 06-25-2017, 09:04 AM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


They used a piece of flat stock that is way too thin. There is multiple units with this situation. This happened to be one that hasn't cracked - yet.
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Old 06-25-2017, 09:48 AM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Have you decided how you are going to prop it yet?
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Old 06-25-2017, 03:10 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


17' calls for at least a 6x4x5/16 with six inch laps.
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Old 06-25-2017, 03:54 PM  
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Re: Changing Out Existing Garage Door Lintel In Natural Stone Wall


Quote:
Originally Posted by feliped View Post
They used a piece of flat stock that is way too thin. There is multiple units with this situation. This happened to be one that hasn't cracked - yet.


Flat stock? Im assuming a 3.5 x3.5 steel lintel as opposed to a 3.5 x 6 lintel? That's usually where they cheat round here. They get away with it as long as they prop it up in the middle with a 2x4 until it dries


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