Spencer's Pole Barn Project

[Bird]

Re: Spencer\'s Pole Barn Project

Spencer, in spite of having had a fair amount of experience, I certainly don't consider myself any expert where roofing is concerned. I would expect the folks at the lumber yard to know more than I do, so maybe they're right. I have also heard that what Bob just posted is the "correct" way, but personally, I always put the felt under the drip edge all the way around, then of course, turned the first course of shingles backward with the lower edge extending approximately 1/8" to 3/16" overhang. At any rate, that's a nice looking job you're doing.

 

[Anonymous Poster]

Re: Spencer\'s Pole Barn Project

Bird,

One thing I never came across in my reading is why you wouldn't put the drip edge over the felt all the way around (your method). Seems to me that if the reason for putting it over at the overhang is for protection from wind/rain, that same protection would be good for the eaves as well.

I didn't do it that way, but don't see anything wrong with it and see some potential benefits.

Bob

 

[Spencer]

Re: Spencer\'s Pole Barn Project

Bob_In_MN and Bird, it sounds quite reasonable to me to put the drip edge down first on the bottom and put it over the felt on the edges. Unfortunately thats not what they told me at the lumberyard and thats not what my book "How to build small barns and outbuildings" said to do.

Here is a quote from the book:
When the plywood deck is in place, frame the gable eaves and attach the fascia boards as previousely described. After the fascia boards are on, nail gavanized drip edge to the edges of the roof deck. Be sure upper sections of drip edge overlaps the drip edge along the bottom edge of the roof. The drip edge, an important feature, keeps water off the fascia and gives a straight line for the roof edge. Next, staple 15-pound felt (tar paper) to the plywood..........

I have also attached a illustration from the book.

I think I will keep this section of roof the way it is but I may consider your method for the rest of the barn, we'll see. Thanks for your input on this. I really appreciate you guys jumping in and trying to help me out. This is my first project like this so I am open to suggestions.

 

[beenthere]

Re: Spencer\'s Pole Barn Project

I too think Bob and Bird are right about the drip edge. And anybody can write a book. It doesn't mean it is right, just means it is the way the author would do it. Probably is more expedient that way. Do the drip edge, then do the felt. Not "do some drip edge, then the felt, then back to the drip edge".
You're smart to finish the rest of the building the "Bird and Bob" way.

 

[MikePA]

Re: Spencer\'s Pole Barn Project

<font color=blue>One thing I never came across in my reading is why you wouldn't put the drip edge over the felt all the way around (your method). Seems to me that if the reason for putting it over at the overhang is for protection from wind/rain, that same protection would be good for the eaves as well.</font color=blue>
If the drip edge is over the felt at the eaves, then any water that would get through the shingles would run down the roofing felt and under the drip edge then continue around the edge of the plywood and drip down the fascia. The water that didn't go under the drip edge, would have all the nails in the top of the drip edge where it could work into the underlayment. Note: I am not a roofer /w3tcompact/icons/laugh.gif just trying to think what might go wrong with this method.

 

[Robert_in_NY]

Re: Spencer\'s Pole Barn Project

Drip goes on first along the bottom then the felt. This way any moisture runs off the roof and not under the drip. We put all of our drip on the gable ends on top the felt to hold it from the wind. The chances of water getting under the drip that way are less then putting the drip under the felt. So Drip edge the bottom first then felt the entire roof and go put the drip edge on the gable ends. That being said, it won't hurt anything with the way you did it except you had a little more work to do to keep the felt down. On the bright side, once the shingles are on, no one will ever no the difference. Take care.

 

[Timd]

Re: Spencer\'s Pole Barn Project

Couple of things...

If you haven't bought all your drip-edge yet and can get aluminum instead of galvanized, use the aluminum. The galvanized will start to rust in four or five years.

The weapon of choice for holding down paper when your roof won't be finished for awhile is roofing buttons. These are just 2" disks stamped out of thin aluminum which you nail or staple through. The extra clamping area keeps the paper from lifting and tearing due to wind. Most modern roofers may never have seen or used these but they work great if you can find them. Much cheaper than duct tape...

Timd

 

[Robert_in_NY]

Re: Spencer\'s Pole Barn Project

I have seen the disc you are talking about. We run across them on a few roofs each year. I have never used them on a roof though. We use 5/16 staples and batten the seams so that the wind can't pick up the sheet. However, we also don't leave our felt exposed to long so it is not a concern. Usually have most of our roofs reshingled in a couple days a week at the most if it is a large 2 story redeck job but we only have about 5 of them a year. I hate roofs. Later.

 

[Bird]

Re: Spencer\'s Pole Barn Project

<font color=blue>just 2" disks stamped out of thin aluminum which you nail or staple through</font color=blue>

Yep, I've used them (with nails; never did a roof with the staples although two new houses I bought were built originally using staples instead of nails).

 

[Spencer]

Re: Spencer\'s Pole Barn Project

I haven't had much to post about lately. I set the last 32 foot span truss last weekend. The weekend before I set 8 of the 9 16 foot span trusses. To finish up the trusses all I had to do was set two more poles, nail a 2x10" truss carrier across them and then set the last truss. I was planning on setting those two last poles today so I went out last night to plow some snow around the pole barn. Well, I got to close to one of the poles /forums/images/graemlins/blush.gif. I had the fel raised up pretty high so that I could see the light from the front headlights. The next thing I heard wasn't a pretty sound. Here is the first attachment.