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Old 01-12-2011, 10:07 AM   #16
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Vinyl siding, what goes underneath?


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Originally Posted by J S Machine View Post
Like I said, I like the idea of vinyl siding, I just hope I don't have to buy a bunch of tools to do it. There are other outer layer finishing techniques, but I feel like vinyl siding will be the most cost effective. I'm sure I can figure it out, I just want to do it myself. I don't want to pay anybody to do anything because then I won't have the satisfaction of learning it and doing it. This whole project has been a dream come true, actualy building something myself and having a sense of accomplishment. I'll admit I've been a bit overwhelmed at times, but having great advice and guidance made it easier to do, and I learned how it is done.

I know the worst part of the storm is just ahead, but I am confident I can do it. I'm trying to get a materials list up so that I can get the materials bought.

2 more questions.

I know I will probably use 15w felt on the roof. It will have a regular 3 tab shingle roof, which i still have to learn to do.

On the sides, under the vinyl, I think I will use 30w. Is there any real advantage to using 30w here?

Also, I see loneframer has used staples to attach the felt to his walls before siding. Is this acceptable? What about on the roof? is a staple gun good to attach the felt before shingles go down?
I've been building homes for over 25 years and have never seen anyone use anything but staples for applying felt, or Tyvek for that matter.

Cap staplers have been getting more popular, but I've yet to see one used in this application.

I prefer #30 felt because #15 ain't what it used to be.

Also, there are different grades of felts and building papers.

Over the years, I saw Other types of housewraps come and co, some are still around, but most builders that I do work for have gone back to felt after cronic problems related to other products and installation techniques.

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Old 01-12-2011, 10:36 AM   #17
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Vinyl siding, what goes underneath?


a vinyl siding panel actually is water proof,water problems will usually only manifest itself at the penetrations,there can be some condensation forming on the backside but the very good ''breathabilty'' of un insulated vinyl siding makes it one of the most goofproof cladding out there

for this small outbuilding you don't need any high tech stuff

http://www.vinylsiding.org/installat...nual/index.asp
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Old 01-12-2011, 10:43 AM   #18
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Vinyl siding, what goes underneath?


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a vinyl siding panel actually is water proof,water problems will usually only manifest itself at the penetrations,there can be some condensation forming on the backside but the very good ''breathabilty'' of un insulated vinyl siding makes it one of the most goofproof cladding out there

for this small outbuilding you don't need any high tech stuff

http://www.vinylsiding.org/installat...nual/index.asp
Thank you for this information
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Old 01-12-2011, 10:45 AM   #19
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Vinyl siding, what goes underneath?


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Originally Posted by loneframer View Post
I've been building homes for over 25 years and have never seen anyone use anything but staples for applying felt, or Tyvek for that matter.

Cap staplers have been getting more popular, but I've yet to see one used in this application.

I prefer #30 felt because #15 ain't what it used to be.

Also, there are different grades of felts and building papers.

Over the years, I saw Other types of housewraps come and co, some are still around, but most builders that I do work for have gone back to felt after cronic problems related to other products and installation techniques.
I recently switched to cap staples for installing Tyvek. But that is mainly because it does not get sided immediately, and it is in adherence with Tyvek's installation and warranty. That being said, if it is going to be covered relatively quickly, a slap stapler (hammer tacker) would work just as well.

Just make sure to overlap your seams and if you want to go the extra mile, you could use a seam tape by Dupont for Tyvek. Also, spend some time researching correct ways to flash windows and doors.

Loneframer posted a good picture of window flashing in one of his earlier pics.
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Old 01-12-2011, 10:46 AM   #20
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Vinyl siding, what goes underneath?


I agree with Tom. Simple installation procedures will suffice. The intersections at trim details are almost always culprit to water intrusion. Simple flashing details will divert water back to daylight. The problem is, many installers ignore these details for one reason or another.
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Old 01-12-2011, 12:06 PM   #21
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I'm trying to figure up all the OSB I will need, and I wonder if OSB is acceptable for sofit panels. Do I need to use plywood here or will OSB be work?
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Old 01-12-2011, 12:28 PM   #22
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I'm trying to figure up all the OSB I will need, and I wonder if OSB is acceptable for sofit panels. Do I need to use plywood here or will OSB be work?
OSB will not work. If you, you can use 3/8" ac exterior plywood or you can use a 1x6, 8, 10 or 12 depending on your overhang primed pine or 1x azek for the soffit.

My mistake here. You use vinyl soffit. You don't need any wood at all for soffit.
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Old 01-12-2011, 12:31 PM   #23
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I figured OSB might not be the thing of choice. Is there any minimum thickness here for plywood? I have 1' overhangs all the way around.
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Old 01-12-2011, 12:32 PM   #24
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I figured OSB might not be the thing of choice. Is there any minimum thickness here for plywood? I have 1' overhangs all the way around.
Read my post above you don't need any wood soffit since you're putting vinyl siding on. You will use vinyl soffits.
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Old 01-12-2011, 01:05 PM   #25
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Yes I see that, but doesn't the vinyl have to have something to attach to?
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Old 01-12-2011, 01:20 PM   #26
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Yes I see that, but doesn't the vinyl have to have something to attach to?
You'll use F and J channel. The F channel will go against the sheathing and the J channel attached to the sub-fascia. The soffits will then be put into the J and F channel and snapped together. You can secure the soffit to the cross trusses above every few soffits to secure them in place.
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Old 01-12-2011, 01:24 PM   #27
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Vinyl siding, what goes underneath?


I see on page 33 of the instructions posted earlier. It doesn't look like there is any backing, as you are suggesting. If this is the case, it will save me from having to frame all the cornice return and all that. So it is just vinyl stretching in between the bottom of the fascia and the actual wall - secured by J and F channels?

This would be great because it will save me money on lumber costs.
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Old 01-12-2011, 02:29 PM   #28
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Vinyl siding, what goes underneath?


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Originally Posted by J S Machine View Post
I see on page 33 of the instructions posted earlier. It doesn't look like there is any backing, as you are suggesting. If this is the case, it will save me from having to frame all the cornice return and all that. So it is just vinyl stretching in between the bottom of the fascia and the actual wall - secured by J and F channels?

This would be great because it will save me money on lumber costs.
Correct, there is no backing. Just vinyl soffits held in place by the J and F channels.
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Old 01-12-2011, 02:39 PM   #29
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Vinyl siding, what goes underneath?


you really just need a receiver at the wall,you can nail the other end of the soffit to the fascia board and then cap with aluminum trim
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Old 01-12-2011, 02:49 PM   #30
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you really just need a receiver at the wall,you can nail the other end of the soffit to the fascia board and then cap with aluminum trim
Very true.. I've just never been a fan of aluminum trim.

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