Hello,
I hope it’s not a problem but I’m sort of creating a second thread to another I already had. Over a period of several months I’ve been planning a rescrew on my metal roof (R panel). I think since that thread was old and drawn out it got left in the dust, lol, so I wanted to ask a few questions here as I plan to buy materials tomorrow afternoon:
I plan to use all “long life” screws, with the one piece head. My roof is a very light gray (plus it’s faded), so I’m considering using the bare aluminum colored screws and not powder coated/painted. This is just to simply save time as they wouldn’t have to order them. If this is a huge mistake and my roof will look like polka dots please chime in lol!
So, the original roof is screwed together with #12 lap screws (where the panels overlap) and #14 short (~3/4" long) wood screws biting into 1x4’s (I have not sheathing or underlayment)… do you think the new #14 wood screws will bite not going to a larger diameter? Or do I need to step up to the #17 screws?
There are a few spots I found on the roof where I guess the installer missed the wood so siliconed the hole and moved the screw over. Should I just leave this alone? Or is there a better way to fix this?
At the roofing supply store, the guy showed me how to bend the tops of the panels up to create a dam, it was super easy with the special pliers he had, almost like a mini plier “brake” for bending sheet metal. Called a seamer. I’m going to buy a set and do this extra step like you mentioned in the older posts above. The gap between ridges in the panels looks to be just under 9" wide. Will a 9" seamer work? Or should I buy a 6" They have a combo 3"/6" (change the plates) on amazon for $60. Thought about getting that one… Made by midwest tool. But they also have the same brand for same price in a 5"/9" combo.
I have two valleys, and they have special metal piece that I’m sure you all know what it is. I assume this runs up the valleys about 12"-24" or so under the R panels. Is there any type of closure strip here I should be concerned with? It looks like he just put some sort of thin “tape” there, with nothing at the “ridges”.
I’ve decided to only replace the ridge closure strips, and not do the ones at the bottom by the gutters. I just don’t see the value there, there’s no water infiltration, it’ll only help the attic breathe better (I have 3 attic fans on the gables, and two other gable vents, with no ridge vents. The front and rear porch and rear carport have vented sophit, and each also has a large vent/register like an AC filter register vent). Most of the bottom closure is still in place anyway, so the only downside I see is there will be a few holes that bugs can get into. I don’t think this is a real big deal…
I’ve noticed my roof is very “dirty”. Somewhat faded but that doesn’t bother me. Should I somehow clean it once done with all the work? Pressure wash? Hose, cleaner, and broom/brush?
Oh one more thing, I noticed that the panel overlaps are the same, neither has a “longer” overlap and a “shorter” overlap. I noticed because I was looking at the edge by the gutters at the overlap, then was in the attic looking and noticed both ends are “short” overlap. Doesn’t really matter at this point as I’m not replacing all the panels due to this, just thought it was odd. Being that the holes are already there anyway, I don’t think I’d have much problem with the panel pushing away and not pulling tight…
Thanks in advance!