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-   -   Worn out roof on Garage (http://www.hotrodders.com/forum/worn-out-roof-garage-22314.html)

HotRodMan 08-31-2003 08:41 PM

Worn out roof on Garage
 
I have a roof size 31 x 14 on each side, 1/2 inch plywood, 4/12 roof pitch. It currently has worn out roll roofing, and I was considering replacing that with aluminum, painted, panels and doing the work myself. Was wondering if anyone has had any experience with this? Thanks for any info.

Gearhead forever 09-02-2003 11:45 AM

Have you concidered metal roofing panels? Sort of like a barn roof. I think it would be much faster, use less strapping and will likely last as long. You can order custom lengths, profiles and colours from most building supply stores. You can also order any ridge caps and flashings required. The sheets are usually 26 ga, primed front and back with a satin topcoat. You can also order color match screws with the proper rubber washers already attatched.
Other benifits are: you can walk on a metal roof afterwards, (not advised with steel or aluminum shakes) and the snow usually slides right off with sunny weather. (if thats even a benifit..) Hope this helps.

bullheimer 09-02-2003 01:12 PM

ugh!
 
spent sat. on my tin roof painting it black. i primered it last week end. suckee!!! my house just got this new crap called Ondura which is just like tine roof stuff-the wavie kind- except made out of like 3-16's inch thick roofing paper. you can walk on it too. i got it at lowe's but they know nothing about it, and cant do take-offs for you and it takes a week to get anything from the factory. it looks great. the guy still isnt quite done with it yet, has to put the ridge vents on-which are reason enough not to get it, as well as the metal flashing going around the edges. do NOT buy this stuff and you have a great time! you can just put 3-tab over the told stuff if it's flat.:pain:

38 special 01-08-2004 03:16 PM

Hotrodman, I did a small shed type roof with heavy aluminum roof panels from Lowes. Worked out nicely. Use nails with the gasket under the heads. Get a good top cap so it dosen't leak.

poncho62 01-08-2004 04:40 PM

I take it you do not use asphalt shingles much down south. Is this due to the heat? Up here (Canada) that is the most popular and inexpensive route.

Hellzapoppin 01-10-2004 01:56 PM

Quote:

Originally posted by Gearhead forever
Have you concidered metal roofing panels? Sort of like a barn roof. I think it would be much faster, use less strapping and will likely last as long. You can order custom lengths, profiles and colours from most building supply stores. You can also order any ridge caps and flashings required. The sheets are usually 26 ga, primed front and back with a satin topcoat. You can also order color match screws with the proper rubber washers already attatched.
Other benifits are: you can walk on a metal roof afterwards, (not advised with steel or aluminum shakes) and the snow usually slides right off with sunny weather. (if thats even a benifit..) Hope this helps.


Spent today fixing those sheets to a neighbours out building. Trouble is the ones already on the roof have a different profile to the ones he just bought.
World war 3 is gonna start when his missus sees it.

:boxing: :boxing:

troy-curt 01-10-2004 04:29 PM

In this area, every one is going to the painted metal roof.
Many colors to choose from, 30 year warranty.26 gage,matching trim. $35.00 a sq.

I just got through putting one on my house 38 sq. and I love it.

I have put a roof on this house about every 4 years or more often depending on how much hail we have.

This should be the last roof I have to put on this house.

Now I'm getting ready to put one on my shop here at home.
It also has roll roofing on it. This system goes on right over the old roofing, uses a special screw with a sealer washer on it.

Troy
http://hotrodders.com/gallery/data/5...P01135-med.JPG

mikeweyman 01-10-2004 05:34 PM

poncho, I was thinking the same thing, the roof on our place is ready to change, but its only 30 years old.the old three tab roof shingles stand up to the canadian winter, but maybe in a california summer they'll slide right off the roof. lol.
as far as using nails on the roof, DONT they will back out and leak, use the screws with the washer behind them, they dont back off over time.

HotRodMan 01-10-2004 07:42 PM

Update - I got my roof up
 
Since that original post I decided to use the painted galvalume roofing. The prices I got for aluminum were terrible. I found a guy in town that would cut it the correct length and give me instructions on how to put it up. They delivered it and all for a good price. I followed his instructions and it went up quick and looks great. It took me two days to tear the old roof off and install the new metel roofing. I used 30 lb roofing felt under the metal. The reason I did not want to use shingles is that I tried this on a small project one time and it took me for ever to complete the job. Unless you have several people to help you I would not recomend shingles. Working by yourself this is the way to go.

5window 01-10-2004 09:21 PM

Water over the dam, but there are potential problems installing sheet metal roofing over a solid wood deck. Namely, without some sort of spacing, you will trap moisture up against the BOTTOM of the roofing panels, which will corrode and rust them out more quickly than they should. If you can figure out some way to ventilate their undersides, it would really help. I just had a metal roof installed in place of shingles on my house, leaving the plywood deck for strength. I had the contractor place laths every 24" horizontally to the roofing panels and then add a roof ridge vent. Good luck with your project.

daimon1054 01-11-2004 11:09 AM

A lot of air moves under the metal but as stated I would also put laths down then put ridgid foam between that. Air can move through the ridges, although I have never heard of an ice dam in the south so air movement is not that big a deal here.

If you go metal, stack the sheets then measure where your slats are or where you want you screws or nails, then drill them. Yes the screws are slef drilling but you want to have every screw line up in all directions and this will make your life easier to boot. Use mastic between sheets and stitch screws. On the ridge you can use a flat rolled flashing but get the vent stuff to put under so the birds stay out. The ends, lat down a 2x2 drip L, it has a sort of turn out so water does not go around, then run the metal about 1" beyound that. The sides, they make a thing for that as well, you can skip the special ridge part just trim the end caps to overlap and use stitch screws.

If you have questions e-mail me and I will try and get some pics of mine. I might have to go on a job soon so if I don't get back with you right away I am not ignoring you.

troy-curt 01-11-2004 07:01 PM

Refer to my previous post for a picture of my roof.

Troy


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