questions & statements about new roof


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Old 11-04-02, 05:27 PM
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questions & statements about new roof

I am getting the following roof: High dimension laminated shingles
with a 40 year limited warranty UL wind resistant to 90 mph, Class A fire rating and meets ASTM D 3462 whatever. Also stain
guard.

Oh, I checked better business bureau and they rate well.
they have insurance
and are licensed and in business (as a family) for over 20 years.
They do NOT subcontract the job.

Is there anything else I should ask about before this install?

Now some of the rest of this may be wrong because I am
repeating something I know nothing about. I will just tell
the installers I want it if the info below is correct.

I have been told by a friend that ALL valleys should have 30lb
felt in the valley and then 15lb felt should be weaved.

They should have 6 nails per shingle 2,2,2........
and use galvanized steel for something.

Then there is this thing about bull around the edges of the
roof. What is the bull for?

Final warning from the friend. If I hear hammering on the roof I
should remind them NOT to pound the staples or old nails in
the roof. They must remove them. I should probably count each
one.
 
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Old 11-05-02, 05:39 AM
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I can't answer all your questions, but

Yes, all old nails & staples have to come out if you're getting a full tear-off. Putting felt and shingles over the old nails gives them the opportunity to pop up at innopportune moments.

Speaking from experience, it's really easy to tear off a bunch of shingles and felt, then move on and not spend another 10-15 minutes pulling off all those pesky nails that didn't come up with the shingles. If it were my roof, I'd try to get a "leave no existing roofing nails" clause in the contract.

The 30lb felt in the valleys could be a Florida thing, I've never heard it in the midwest. Are they planning to use tin and/or Ice & Water shield in the valleys? I know you probably don't get ice in Florida, but it could be helpful in making your valleys leak proof.
 
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Old 11-05-02, 05:46 AM
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Maybe your friend knows something I don't, but

I need a hammer to get roofing nails off. My wonderbar just won't slide up under the nail on its own. I think the tear-off is more hammer intensive than the roofing.

Have you and your contractor agreed on what to do if they find rotten wood?
 
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Old 11-05-02, 07:09 AM
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rotten wood?

Since I never had a leak I didn't
think about rotten wood.

I certainly will ask that question.

I'll find out what goes in the valley since this seems about the
most important thing besides the shingles.

I love visiting this site because I always learn something and
end up with better service from contractors because of just
a little knowledge.

Thank you for your comments.

One more question-should they put 6 nails in each shingle?
 
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Old 11-06-02, 03:11 AM
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six nails is code where i am from carteret county nc but you go to the next county they only call for four.maybe something to do with the beach?strong winds off the ocean or something
 
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Old 11-06-02, 05:26 AM
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I'd put 6 nails per shingle (2 per tab) if there was zero wind.
 
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Old 11-06-02, 06:18 AM
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mrchris what does that mean zero wind?also kinda tuff to give advice to someone in fla when you live in indiana isnt it?where is that any way lol
 
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Old 11-06-02, 08:00 AM
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Doesn't matter where you live Mrchris

Mrchris, Thank You

I don't care if you are from Mars or Indiana. The statements
are very important for a roof. I want things that I buy to be
good material and done well......

I now have in writing everything you mentioned including 6 nails.
Since the roof is guaranteed for winds up to 90 mph I think they
would like the shingles to stay on.

PLYwood replacement is $4 per square foot if it is rotted.

A couple other things they wrote: galvanized roof flashing nailed
to all eave and rake edges. Double valley flashing, corners
dubbed for waterproofing. Lead pipe flashings at vent pipes.
Slope roof ventilation system. Chimney cricket. New goosenecks.
Roll yard with magnet to pick up nails, etc., etc., etc.

Yipes cripes I don't know what half of this is but it looks good on paper.
 
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Old 11-06-02, 09:07 AM
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Yeah, I should probably shut up now. This forum is for advice, often conceptual, and since nobody else posted anything, I responded. I've spent a grand total of a week of my life in Florida, only on vacation.

I couldn't give you a formal definition of most of what's on your contract. Others on this forum can.

The magnet service will keep you from having to wear kevlar shinguards when you mow your lawn.
 
 

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