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Old 08-20-2007, 06:54 PM   #1
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Roof sheathing overhang on fascia


Portico project:
I've trimmed my roof sheathing to run between 5/8 and 3/4" over the sub-fascia. This is to just enough to cover the 3/4"x6 (actual) fascia.

Now that I've modeled what I was going to build, I decided I need a piece of molding to break up the plain look of just the fascia trim plank. This would add another 3/4" to the thickness. My fascia with the molding would extend 3/4" beyond the roof sheathing. Since the drip edge would cover everything up anyway, is this going to be a problem or should I rethink my molding idea and stick to keeping it all under the lip of the roof sheathing?

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Old 08-21-2007, 06:18 AM   #2
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Roof sheathing overhang on fascia


I just reread my post and it's a little confusing,
The question is... does the roof sheathing need to completely cover the edge of the fascia and molding?
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Old 08-21-2007, 12:22 PM   #3
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Roof sheathing overhang on fascia


I've seen it done both ways, but I like it to overhang the fascia. If you're putting a drip edge and ice and water shield on that should take care of any possibility from water getting inbetween the ply and the fascia detail.
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Old 08-21-2007, 10:53 PM   #4
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Roof sheathing overhang on fascia


just run the top of the molding flush to the top of the sheathing ,then install backflashing(for gutter),or drip edge--you shouldn`t leave the sheathing overhanging as it will just "wick" water from the gutter--w/1x6 +molding-I would think you`re not putting a gutter,because if you were you would only need 1x6 and any extra molding would never be seen,if you`re putting the gutter under the molding the gutter would be too low,and the molding would then "wick" the water(means it`ll rot from soaking up the water!)
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Old 08-22-2007, 07:10 AM   #5
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Roof sheathing overhang on fascia


Thank you.
This is the gable end.
Speaking of gutters, does anyone know of a smaller profile gutter for a small roof. The roof size is only 50" ridge x 65".
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Old 08-22-2007, 09:46 AM   #6
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Roof sheathing overhang on fascia


so definitely run the 1x2 flush w/the top edge of sheathing,I would think you`d want the same size gutter as the rest of the house,or it wouldn`t be proportionate,and would look weird on a 1x6 fascia(5" is the smallest professional gutter,although ENGLERTS leafguard is a bit smaller

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Old 08-22-2007, 10:11 AM   #7
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Roof sheathing overhang on fascia


Thanks, that's a good point about the gutter. Is there a different type of drip edge that I should be using for gutters or does the gutter just get tucked in behind the drip edge?
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Old 08-23-2007, 01:02 AM   #8
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Roof sheathing overhang on fascia


I make my own 3x3 custom bent to the roof pitch,so the gutter can be mounted to it-be sure to use gutter brackets w/galvanised screws to attach the gutter to the 3x3---w/this no ice can get under the flashing-if you are using ice+water shield install it to the top half of the 3x3 extended past 1/4",then use a hand roller to roll it down for good adhesion
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