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Steel Building Trim Question

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Apr 30, 2026
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Odd question, but looking for photos of your steel building trim installed for garage door, man door and exterior corners.
Horizontal siding if that matters.
Contractor 'finished' today and it all looks wrong to me, doesn't fully cover seams, warped, etc.
 
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PCustoms

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Contractor 'finished' today and it all looks wrong to me, doesn't fully cover seams, warped, etc.

How about you post a few pics?

Horizontal metal siding sounds.... different. But generally the trim should start behind the siding and then wrap around to cover the edge. There's specific profiles depending on where/what is being done.
 

readhead

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Trim on horizontal siding can be a problem. There should be lots of outside clousers involved and corners will be a simple 90 degree piece. Good luck.
 

Bert_

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Tin ran horizontal is the cheap way. I've done it before on a storage building. There's gonna be gaps but it still keeps the weather off stuff.

Not what you would want if you have any plans for an insulated/sealed building
 
OP
L
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Yes lighter duty steel/ tube building not red iron, double legs all around, 30'x50'x14'. Went horizontal trim to match house as color was supposed to be the same, which of course is not even close, that's another story. Roof is vertical.
To me it seems the corner trim should be square, not L shape, with about 3" both ways to cover the gaps. But to leave the framing tubes exposed seems wild to me.
This whole process has been a $#!+ show from start to now, and the crew that did all this trim and front wall siding was NOT the same crew that did the rest of the building, who in my opinion did much better work.
Will be speaking with the contractor today as they want to get paid now that it's 'done'. I've made a list of the issues I've seen but if anyone knows the proper way to rectify these as best as possible, would be much appreciated so I can cover my bases.

Corner trim is L shaped, with shorter edge on side, not covering edge of panels, twisted at bottom.
20260705_153541.jpg


20260705_153550.jpg

Header trim for 1 garage door opening was too short so they spliced in a 3" piece, other garage door is 1 full pice.
20260705_153756.jpg

All 3 door openings are wavy like they are too long, minimal fasteners used
20260705_153910.jpg20260705_153934.jpg

No ground level flashing/ trim, framing tubes exposed
20260705_154023.jpg

Different corner trim, again short side not covering edge of panels and a nice kick to add some flair
20260705_154115.jpg
 

PCustoms

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That looks like ****, and out of square/plumb all over.

Typically screws are color matched to the panel they are on, not silver on a dark panel.

Aside from those issues, the trim should have covered more of the ends of the panels. Guessing they bought the "narrow" option out of the catalog (it's cheaper obviously).
 

Carchie

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Apr 24, 2018
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Man, that looks incredibly frustrating. You are totally right to hold back payment until this is fixed that trim job looks completely rushed and sloppy. Definitely stand your ground with the contractor today!
 

readhead

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Unfortunately this is pretty common for this type of building. There’s nothing wrong with the building but when it comes down to the finish this is what happens. Press the building company hard to make it right. The big problem is that they will probably send out the same guys that did it wrong to fix it. When I would get hired is when the building company would offer some kind of cash settlement for you to go away. At that point I would come in with all new trim and closures and clean up the mess. Usually for more than what you settled for.

It is a bad situation but it can be fixed. I won’t get into the economics of this particular type of building but be assured that if the company doesn’t get the final payment they won’t get hurt.
 

PopcornSutton

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I looked into metal siding quite a bit, most of the major manufacturers have their own standard details and trim pieces for just about every condition. But sometimes things always "standard", that's when flat stock colored metal, a brake, and a good mechanic makes problems go away.
 
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OP
L
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Apr 30, 2026
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Unfortunately this is pretty common for this type of building. There’s nothing wrong with the building but when it comes down to the finish this is what happens. Press the building company hard to make it right. The big problem is that they will probably send out the same guys that did it wrong to fix it. When I would get hired is when the building company would offer some kind of cash settlement for you to go away. At that point I would come in with all new trim and closures and clean up the mess. Usually for more than what you settled for.

It is a bad situation but it can be fixed. I won’t get into the economics of this particular type of building but be assured that if the company doesn’t get the final payment they won’t get hurt.
What would a rough, ballpark estimate be for the 2 corner trims (14' Tall), the 2, 10' wide Garage Headers, 36" Man Door Header and the ground flashing? I know there are many factors but just trying to get an idea. I would rather they just settle it for a discount at this point rather than them coming to 'fix' it.
 

TOWLC

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Warsaw, MO
What would a rough, ballpark estimate be for the 2 corner trims (14' Tall), the 2, 10' wide Garage Headers, 36" Man Door Header and the ground flashing? I know there are many factors but just trying to get an idea. I would rather they just settle it for a discount at this point rather than them coming to 'fix' it.
The materials aren't all that expensive, labor is going to be the more expensive part. But, if they replace those pieces with wider corners (which they need to be) they aren't going to match the other corners, so I personally would want all corners replaced to match. And as PCustoms said, any exposed screws should be color matched.

Doesn't look like anything really major, overall just sloppy, but easily fixed. Ballpark with labor I'd "guestimate" around $1000, but that's a very rough guess without knowing for sure what all pieces need replaced.
 
OP
L
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The materials aren't all that expensive, labor is going to be the more expensive part. But, if they replace those pieces with wider corners (which they need to be) they aren't going to match the other corners, so I personally would want all corners replaced to match. And as PCustoms said, any exposed screws should be color matched.

Doesn't look like anything really major, overall just sloppy, but easily fixed. Ballpark with labor I'd "guestimate" around $1000, but that's a very rough guess without knowing for sure what all pieces need replaced.
Makes sense. I could live with the back corners not matching front corners if they are going to try and fix it, just so they don't make those worse. Unless I end up having a local guy come do them, then I would swap them. I appreciate your input
 

Codyboy

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Do not pay a dime for that junk install.
Discount?
It would have to be a heavy , very heavy discount. If you have to call someone else to make it right their labor and materials would be twicw as much if even you could get anyone to do it.
 

jack stand

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I looked into metal siding quite a bit, most of the major manufacturers have their own standard details and trim pieces for just about every condition. But sometimes things always "standard", that's when flat stock colored metal, a brake, and a good mechanic makes problems go away.
Those "corners" look like they were bent up on site. Very poorly.
 
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