Walking On A Metal Roof?

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Old 06-30-17, 05:26 PM
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Walking On A Metal Roof?

I have read that I should be careful not to have rocks on my shoes so I don't
cause dents or other damage. Fortunately, our roof is only 4:12 so it doesn't
seem too dangerous because of the slope, and it is fairly clean so there isn't
much to slip on.

What else can you tell me about walking on a metal roof? Are there other things
to avoid so I don't cause damage? It is about 17 years old give or take.
 
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Old 07-01-17, 04:43 AM
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How is the roof supported? If it's attached to sheeting - just walk on the flat parts. If it was attached to strapping you want to make sure you put your weight over the straps and not the void in between.
 
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Old 07-01-17, 06:37 AM
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Although 4x12 is a fairly low slope it can still get you. Select a good pair of shoes/sneakers that provide really good traction on that smooth surface. And, you should be wearing a safety harness with a secure line. You probably won't but you should, there may be times when conditions are less than perfect and the rope can save you.

Bud
 
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Old 07-01-17, 12:46 PM
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That is great, I just assumed it was attached to sheeting, I didn't even know it
could be on strapping. I just assumed it was built like a regular house but that
makes sense, being built by Morton--some other things about it are non-
standard so I'll check that out.

Yes, great advice to have a harness and rope, you are right, I probably won't.
Luckily there is very little debris or dirt to slip on, it is fairly clean, good, sticky
soled shoes should work great.
 
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Old 08-03-17, 05:13 PM
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Bad news! I just looked in the attic and I see that there is no sheathing on this
house. It just has metal sheets nailed into wood members, about 24" apart,
mostly running the length of the house with big rafter beams spaced fairly far
apart holding them up. The nails are all in the tops of the high ridges of the
metal sheets. There doesn't seem to be any other kind of support--just big
spaces of metal sheeting in between the woodwork.

So where do I step? On the flat area between the nails that are through the
ridges?
 
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Old 08-03-17, 05:20 PM
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If you are saying that it has horizontal purlins, the rows of screws should tell you where every horizontal purlin is... so only step there... on the flat areas in between left and right screws... only step where the horizontal rows of screws are located.

And no way I would be on that without a harness and retractable.
 
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Old 08-03-17, 05:44 PM
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I guess you might call them purlins. The only time I ever worked on a house and someone used that term they were metal. This has an all wood frame. I haven't
done a lot of construction work though so I there is a lot of terminology I don't
know well, if at all.
 
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Old 08-04-17, 03:43 AM
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Around here we call the purlins - strapping. That is how my house is built although the straps on mine are more like 16" apart. As X said, that is where you step! If you walk between straps there is a good chance you will dent the roof. A metal roof is slicker than shingles especially if there is any moisture on the roof! You want good gripping soles on your shoes.
 
 

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