Roof Over And Converting A Mobile Church Into A Home - Remodeling - Page 5 - DIY Chatroom Home Improvement Forum
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Old 07-21-2017, 12:05 PM   #61
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Re: adding a roof to a mobile church


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The reason we would love to be able to install vertically is because we have no where to stand if installing it horizontally.
Sounds like a plan. although I've never done it that way
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Old 07-24-2017, 11:29 AM   #62
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Re: adding a roof to a mobile church


So we got one side completely done in metal and half of the other side before we stopped for the night. HEre is one pic that shows us installing the felt vertically, they overlapped it but did not tape. Im hoping between that and being properly vented we wont have any issues with condensation.
The heat index here is over 100 during the day this week so its been scary hot and we could only work early morn and evening. But the rain did hold off all week so we were thankful for that.
My husband took off half of the 3 weeks we spent tearing off and rebuilding and installing trusses and metal but he finally had to go back to work even though he is self employed. My sons and I still worked on it but they are teens and thankfully my brothers showed up a few times to help. So we got way more done than we would have with just us. My oldest brother also did the bracing inside.
Its starting to come together finally. Hope to go shopping for windows tomorrow.
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Roof Over and Converting a Mobile Church Into a Home-2017-07-22-20.21.21.jpg   Roof Over and Converting a Mobile Church Into a Home-2017-07-22-20.22.09.jpg   Roof Over and Converting a Mobile Church Into a Home-2017-07-22-20.20.45.jpg  

Last edited by leenabug; 07-24-2017 at 11:34 AM.
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Old 07-24-2017, 11:40 AM   #63
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Re: adding a roof to a mobile church


How much was the felt overlapped? water runs downhill so hopefully there won't be any issue.

re self employed - that just means you have more bosses, nice he could take time off though.
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Old 07-24-2017, 11:41 AM   #64
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Re: adding a roof to a mobile church


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How much was the felt overlapped? water runs downhill so hopefully there won't be any issue.

re self employed - that just means you have more bosses, nice he could take time off though.
That is why he was looking for tape.
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Old 07-24-2017, 03:11 PM   #65
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Re: adding a roof to a mobile church


they overlapped it quite a bit, Im thinking 6-10". I did purchase some tape and had it there to use, but like I said, most of the ones in this area dont use the felt under the metal. So they felt like we were doing extra by putting any felt under it anyways. I told the guys I had tape but since I wasnt up there on the roof myself, I couldnt really do anything about it. They didnt want to tape it, so it didnt get taped. Though I did hear my brother say afterwards that it prob wouldve been nearly waterproof if they had.

Am I correct in guessing that the condensation happens in the winter when the roof is cold and the warm air from interior causes it to sweat ? We only have 2 months of real cold weather here, though the heat is turned on for about 4 months out of the year. Maybe thats why alot of people in this area seem to "get by" with venting only?
I currently have a garage (10yrs old) that was built this same way but with no felt and Ive never had any condensation problems. Granted we dont keep it heated in the winter except for times when we are out there working for extended periods of times.
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Old 07-24-2017, 03:16 PM   #66
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Re: adding a roof to a mobile church


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they overlapped it quite a bit, Im thinking 6-10". I did purchase some tape and had it there to use, but like I said, most of the ones in this area dont use the felt under the metal. So they felt like we were doing extra by putting any felt under it anyways. I told the guys I had tape but since I wasnt up there on the roof myself, I couldnt really do anything about it. They didnt want to tape it, so it didnt get taped. Though I did hear my brother say afterwards that it prob wouldve been nearly waterproof if they had.

Am I correct in guessing that the condensation happens in the winter when the roof is cold and the warm air from interior causes it to sweat ? We only have 2 months of real cold weather here, though the heat is turned on for about 4 months out of the year. Maybe thats why alot of people in this area seem to "get by" with venting only?
I currently have a garage (10yrs old) that was built this same way but with no felt and Ive never had any condensation problems. Granted we dont keep it heated in the winter except for times when we are out there working for extended periods of times.
Condensation is when warm moist air is cooled down so it can no longer support the moisture. So it is really important at you have no air leaks from the house to the attic and then the free flow of air from the soffet to the vents at or near the peak.
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Old 07-24-2017, 04:12 PM   #67
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Re: adding a roof to a mobile church


I've never seen or noticed any signs of moisture in my attic and best I can remember the only times it's been an issue in my barn/shop has been in the winter. I have a wood stove out there but that generally dries things up [don't normally keep it going over night]

With a 6"-10" overlap it's not likely there will be any issue from not being taped.
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Old 07-24-2017, 08:08 PM   #68
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Re: adding a roof to a mobile church


Then condensation issue occurs both Spring and Fall when the temperatures and the Dew Point of the air loads up the air with moisture during the day and dumps the condensation as the roof cools down at night.
Without the felt in place, it wets the insulation and makes it ineffective.
The moisture dries eventually all by itself in time.

Without the felt to divert the moisture, it is like a light rainfall under a metal roof.
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Old 07-25-2017, 09:31 PM   #69
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Re: adding a roof to a mobile church


Here is how our "girder" ended up.
No, its not "right" but this place had 3 separate ceilings and we tore out the 2 side ones and installed the poles and the 2x8 on the INSIDE of the poles . We left part of the middle structure to be able to stand on while installing trusses as half of them were scissor trusses.
Well, when we started tearing out some more,we discovered that the middle structure actually had some 2x4 constructed walls and was exactly 8ft tall. We had already put in the poles and the 2x8s but if we put a rough cut 2x4 (1 5/8 thick) on top of it , then the side walls were exactly as tall as those middle 2x4 structures.
So thats what we did and then we put another 2x8 on the outside BETWEEN the poles, cut it on an angle and shoved it up under the eaves. ( remember we ordered the trusses before we decided to support them with poles, so they were only as wide as the trailer) Screwed it to both the 2x4 and 2x8 on the other side.

I bought these brackets to put at the corners as someone felt that would be more support than just toe-nailing the 2x8 in. The first 2x8 was installed with lag bolt type wood screws. What type of screws would you use?

The roof is not sittin on trailer at all. There is actually a 3.5" gap between the trailer walls and the 2x8 as you can see from the pic. If I put a 2x4 there,I was worried about the poles/roof settling or that 2x8 sagging and putting pressure on the trailer walls. As they are only 2x2s, I wasnt sure if they could handle it, but surely the poles are holding up the majority of the weight of the roof.....

What do you think? Would you leave that gap or would you put a 2x4 there?
Obviously siding will cover the gap on the outside and wallboard or paneling will cover it on the inside
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Old 07-25-2017, 10:13 PM   #70
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Re: adding a roof to a mobile church


You want to make the beams one with galvanized nails every 16" as many as look reasonable. That should make the beam strong enough but the weight of the truss is landing on the 1 5/8" 2x4. Send that to the truss company and ask if that is enough to deal with the crush factor. They may want another 2x4 on the inside.

If you are going to get it inspected the inspector will want to see the engineered plans from the truss company so if you are not to those specs get the truss company to draw the new plan to reflect what you have and make any improvement they ask for.
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Old 07-27-2017, 07:31 AM   #71
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Re: adding a roof to a mobile church


Oh there is zero inspecting or permits required here. The only thing i have to do up to specs, is the electrical company wont hook up power unless the outside part is done a certain way. They came and gave us temp power on the pole and once we have the siding done, they are going to mount it on the side of building and eliminate the standard mobile home power pole. I have to pay $350 to have them run it underground and ive got to dig the ditch myself. But i was going to have to purchase a new updated pole anyways so its worth it to pay the extra and eliminate an ugly pole right by the front door
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Old 07-27-2017, 07:55 AM   #72
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Re: adding a roof to a mobile church


That's pretty much how the permitting process was around here until a few yrs ago. Even now some of the inspections are fairly lax. Wish our POCO would set up service that cheap!
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Old 07-27-2017, 02:18 PM   #73
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Re: adding a roof to a mobile church


You can use those hangers and you want hurricane hangers on the trusses too.
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Old 07-27-2017, 04:56 PM   #74
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Re: adding a roof to a mobile church


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You can use those hangers and you want hurricane hangers on the trusses too.
Thanks, we are finishing the roof tonight in anticipation of rain tomorrow and hopefully i can get those brackets and hurricane hangers on this weekend
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Old 08-04-2017, 08:58 AM   #75
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Re: adding a roof to a mobile church


Well we got the roof finished,just in time before a 4 hr rain, so it was blessed sweet relief! We are now starting to build walls inside.

Last edited by BigJim; 08-04-2017 at 08:34 PM.
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