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Posted by Red Green on April 6, 2008, 12:25 am
>> innews:1a54b4e0-5489-4b62-a5b7-6e6
> cf111a9fd@d45g2000hsc.googlegroups.com:
>>
>>
>>
>>
>>
>>
>> >> > My wife got a quote to replace our roof. Since I haven't spoken
>> >> > to the guy yet, I've got question about one thing he quoted:
>>
>> >> > "Additional cost of $45/sheet for 1/2" plywood."
>>
>> >> > I have 3/4" tongue & groove under the shingles, not plywood. He
>> >> > didn't look in the attic, so I doubt he knows this.
>>
>> >> > Can I assume that the easy answer is - When I tell him it's 3/4"
>> >> > tongue & groove he'll just quote me a higher price for 3/4" ply?
>>
>> >> You can clarify this with your roofer, but on the rare occasions
>> >> that I have bid roof work, I would say something like "Contractor
>> >> assumes that a re-deck will not be necessary. If roof needs a
>> >> complete redeck, an additional charge of $45 per sheet of 1/2"
>> >> plywood will apply.
>>
>> >> Most older (pre-WWII) houses in my area have a layer of cedar
>> >> shakes at the bottom, and the 3/4" pine sheathing underneath has
>> >> large gaps in between the boards to allow the cedar to breath.
>> >> Once the roof is
>
>> >> torn off, the entire roof needs to be redecked, and we usually use
>> >> 7/16" or 1/2" OSB.
>>
>> >> JK
>>
>> > It sounds like you're saying that it's all or nothing. We both know
>> > that's not true, so didn't you ever bid on a job that might need
>> > just a sheet or two? Did you assume (and show up with) 1/2" ply?
>>
>> > For what it's worth, my deck is tight, no gaps...
>>
>> I've done roofing only on a personal basis and the last one was qute
>> a doozie. But anyway, in my limited exposure as to what's out there
>> I've never seen/heard of 3/4 t&g for roof decking. Kinda heavy duty
>> no? That doozie I mentioned was way north in the northeast, 50mi from
>> Canada. I think it was just 5/8" at most. Any regular sheathing roofs
>> I've done always had gaps. Gaps for expansion or it buckles. In fact
>> some of the sheets on that one did not have gaps and they buckled on
>> many. Fixrd that and ran a saw blade down all the seams to prevent
>> buckling.- Hide quo
> ted text -
>>
>> - Show quoted text -
>
> My whole house is 3/4" t&g. Subfloors and roof decking is 6 inch wide
> material, exterior wall sheathing is 10" wide.
>
> Interior walls are also 3/4" thick - 3/8 plaster over 3/8" x 8" t&g
> brown-paper covered gypsum-like material. Seriously, it's t&g gypsum
> board.
>
> 1956 colonial in western NY. Just a tad over-built. <g>
Thing is almost as old as me. I'm starting to get some rot too :-(
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