Updated 1-11-23
What you need to do to prepare a mobile home for a new metal roof. Using a Ryobi Impact gun probably the best math out there for tools.
⏱️⏱️Chapters⏱️⏱️
00:00 On top of a mobile home roof
00:30 Want to start by sealing up all your penetrations
00:40 Elastomeric coating at Lowe’s
01:00 Wrinkles on rounded roof ends up making cuts-meant for the older style mobile home
01:43 You cannot repair these roofs
02:19 Why you want to insulate your metal roof
02:32 Put Your 1×4’s right on the edge
03:20 Using 2.5 to 3″ screws-Ryobi Impact gun
04:14 Stepping on both sides of the rafter so can find it
06:00 Next board is where it gets important to find the rafters
07:20 Then you put 2 screws per-rafter
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Here we are on top of the metal roof, of a mobile home, this one is not a low profile rounded roof. There are other ways to deal with it than what we’re doing today just to get back on to a metal roof, a mobile home.
These penetrations like this one here? This one here roof vents for plumbing outside edge, where the drip edge sort of is sort of the gutter. It’s actually what holds this metal roof on all that needs to be sealed up with tar if you’re going to do it with a coating.
And then this is a Elastomeric coating that they sale at Lowe’s. It’s white reflects heat. I do that after I put tar around these places. But if you’ll notice on this roof, you see all these wrinkles right here, they end up making cuts eventually when the house gets old enough, usually round circular cuts because this metal was not meant for a vaulted peak ceiling or roof.
So, when it pulls over, it makes those wrinkles. It’s meant for that rounded, older style, mobile home in variably they end up calling me, hey how can I patch that. The wind blowing around and it’ll end up being a fractured cracks within three or four years, if not sooner, it’ll start leaking.
So, there’s no way to repair these roofs. I actually, had somebody’s call me up, insurance guy, hey can you know the guy that makes these roofs and seals them up with a crimping tool? This roof, I was trying to explain to him goes on by a great big reel and they roll it out on a great big tension crane on the factory.
There’s no way of doing it in the field without high-risk for wind blowing it off. And there’s a lot of problems, a lot of weight to start with. This is not lite.
So, what we’re doing today is putting a metal roof over it with insulation to keep it from sweating, which is highly important.
When you’re doing a metal roof. Unless you have shingles that you can go straight to the shingles. So, I’m going to show you how you do that. OK, so what we’re doing is putting the one by four down the edge, right on the edge of the roof.
There’ll be a one by two on the outside and then there’ll be rafters, which you can literally feel every so often, so I’ll be trying to find the rafters. We’re going into the outside board. I’m using two and a half to three-inch screws.
You go ahead and, I’m sinking them pretty strong into the wood. We are using an impact gun made by Ryobi,
nobody’s paying me for that. That’s math too, Ryobi is probably the best math out there as far as tools battery powered. I’m stepping on both sides of the rafters, so that I can find it. You can literally feel the rafters in there.
Now, I’m going to show you. This is where it gets important being able to find those rafters. What I do is measure 24 in between. Then I fasten it to the rafter, on the very edge, and then I go to the other end. There’s your 24 in between. Find that rafter by stepping on it. And then I put two screws per rafter. Believe me, that’ll hold down in a major windstorm.