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    retiring2texas's Avatar
    retiring2texas Posts: 9, Reputation: 1
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    #1

    Sep 3, 2009, 06:01 AM
    What type fastener is best for 3/4" CDX on roof trusses
    I am reviewing bids for installing roof trusses on my ICF walls.

    They will also put up the decking.
    They intend to use roofing staples.
    I asked them what type fasteners will be used to attach the 3/4 plywood roof decking.
    They answered it will be 1 1/2'' x 7/16'' roofing staples

    Any comments.
    I had always used galvanized ring shank nails.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
     
    #2

    Sep 3, 2009, 06:10 AM

    I'm with you. I think I would demand at least 6 if not 8d galvanized nails. A 1 1/2" staple through 3/4" plywood only gives you 3/4" into the rafter.
    21boat's Avatar
    21boat Posts: 2,441, Reputation: 212
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    #3

    Sep 3, 2009, 04:39 PM

    We also use 8d ring shanked nails. The staple is for shingles at best. I use coils roofing nails for shingling.
    WHY 3/4 sheeting for the roof? I never used anything but 5/8 sheeting with truss 16"oc. Are the truss 24" OC ?
    Also don't forget there needs to be the metal double U clips between the sheeting each truss bay so ply doesn't buckel and ripple the roof.
    retiring2texas's Avatar
    retiring2texas Posts: 9, Reputation: 1
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    #4

    Sep 3, 2009, 08:48 PM
    It will be 24" OC trusses.
    25 psf roof dead load with clay tiles.
    Plywood clips, roger that.
    This bid was $4500 labor for 3 days effort, plus they pay for crane and install trusses and CDX.
    I get the plywood and trusses.
    21boat's Avatar
    21boat Posts: 2,441, Reputation: 212
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    #5

    Sep 3, 2009, 11:20 PM

    Hi tex, The 3/4 makes sense now. The clay tiles are they the real McCoy or the manufactured ones?

    Get three bids to compare. I don't know the roof pitch ans Sq ft.

    A bit confusing here.
    This bid was $4500 labor for 3 days effort,
    is that the guessed time to install?

    I don't know the size of roof here but it sounds OK to a point, I would not allow staples to hold sheeting down ever.

    Get 2 more bids to check price here.
    The other thing I see missing here is roof felt and what pound. Code here is 30lb felt. Old days 15lb was fine I do wonder of overkill. I think its more for safety walking the roof shingling and not tearing as quick and loose footing. Other then that 15# has worked fine for as long as I can remember
    retiring2texas's Avatar
    retiring2texas Posts: 9, Reputation: 1
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    #6

    Sep 4, 2009, 06:02 AM
    21boat,
    My house is shaped like an L with 3 roof sections all 6/12 gables. The vertical of the "L" is the bedrooms and kitchen, 9'4" plate height,20 x 64. 33 trusses, The short horizontal of the " plate height,20 x 64. 33 trusses, The short horizontal of the " is family room,10' plate height,20x30, 16 trusses. In the corner of the L is a tall open ceiling dining room, 20 foot plate height, 16x24. 13 trusses.

    He said 3 days effort most likely. They don't do the roofing underlayment. But I already have materials for that. Google "Delta Titan maxx" is family room,10' plate height,20x30, 16 trusses. In the corner of the L is a tall open ceiling dining room, 20 foot plate height, 16x24. 13 trusses.

    He said 3 days effort most likely. They don't do the roofing underlayment. But I already have materials for that. Google "nelskamp nibra d 10".

    I am trying to get other bids. Some folks just don't respond...
    21boat's Avatar
    21boat Posts: 2,441, Reputation: 212
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    #7

    Sep 4, 2009, 04:05 PM

    Another thought here Are you ordering the gable end truss already sheeted in. If not do it much easier then on the job site.

    They don't do the roofing underlayment
    . That's a bit odd. We get that on as quick as possible in case of rains that may come in before the rest of the roof goes on. Beats tarping.

    I am trying to get other bids. Some folks just don't respond...
    Hard to believe in today's economy when work in the trades is very scarce

    If they figure 3 days then its close. A day max to set truss 2 days to sheet in max. depending on the amount of men Labor here is around $35.00 per hr min

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