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Any roofing guy around here???

Old 12-09-2008, 06:06 PM
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Default Any roofing guy around here???

I need a new roof and aparently I found a decent guy, but I want to make sure since I JUST know him.

He is claiming that he will put (on top of the plywood) a first paper (aparently called "30&quot and then a second paper.

For the second paper I have two options:

1 - some kind of "sticky" paper that does not need hot mopping tar.

2 - a "90" paper that need hot mopping tar.

This guy is saying that is the same for him and the price is the same, but he recomends the option #1 the sticky paper, since it tends to take more "flex" to rip...

Could anybody confirm or deny this assertions????

Should I go with the styky or with the "90&quot???

BTW: I'm in south FL, planing to put Tiles on top of the paper glued with foam.
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Old 12-09-2008, 06:12 PM
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Default RE: Any roofing guy around here???

number 1 is how they do tiles up this way.I am no roofer just have seen the roof's while plumbing the house
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Old 12-10-2008, 03:44 AM
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Default Re: Any roofing guy around here???

Never heard of the "sticky stuff" you reference. Is it mechanically attached withh nails? Can't go wrong with a good old 90# Hot Mop, if done correctly of course.
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Old 12-10-2008, 04:08 AM
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Default Re: Any roofing guy around here???

Curious, what sort of pitch are we talking here?

"sticky paper"....what is that, water and ice? If so, go with the water and ice membrane.
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Old 12-10-2008, 05:08 AM
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Default Re: Any roofing guy around here???

It's "peel and stick", and it's the best system. With mopped 90#, after a while it tends to slide down the roof under the weight of the tile. The peel and stick seals around any fasteners that penetrate it. The tile is very heavy..I've seen 6/12 tile roofs slide 2-3 inches over the years.

The tile is not the waterproofing, it's the appearance layer that protects the true roof underneath.

Make SURE he's licensed and insured, and the roof is permitted.
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Old 12-10-2008, 05:51 AM
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Default Re: Any roofing guy around here???

billinstuart - 12/10/2008 8:08 AM

It's "peel and stick", and it's the best system. With mopped 90#, after a while it tends to slide down the roof under the weight of the tile. The peel and stick seals around any fasteners that penetrate it. The tile is very heavy..I've seen 6/12 tile roofs slide 2-3 inches over the years.

The tile is not the waterproofing, it's the appearance layer that protects the true roof underneath.

Make SURE he's licensed and insured, and the roof is permitted.
The perfect application.
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Old 12-10-2008, 06:36 AM
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Default Re: Any roofing guy around here???

billinstuart - 12/10/2008 8:08 AM It's "peel and stick", and it's the best system. With mopped 90#, after a while it tends to slide down the roof under the weight of the tile. The peel and stick seals around any fasteners that penetrate it. The tile is very heavy..I've seen 6/12 tile roofs slide 2-3 inches over the years. The tile is not the waterproofing, it's the appearance layer that protects the true roof underneath. Make SURE he's licensed and insured, and the roof is permitted.
Great!!! Thanks guys... you are right, "Peel and stick" it's what he called it.... I didn't know if his recommendation was completely honest, but I'm glad that it was.

Thanks for the advice.... One last question...

What do you prefer for your tiles??? Clay or Concrete???? what are the main differences???
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Old 12-10-2008, 07:01 AM
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Default Re: Any roofing guy around here???

Learm something new everyday and I assumed that tiles gave the waterproofing. These roof's sound like they are very expensive.
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Old 12-10-2008, 07:05 AM
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Default Re: Any roofing guy around here???

I did a lot of roofing and the guys above are right.

That barrier will be your best protection on the days when the rain is coming at your house on a 90 degree angle. Correct me if I am wrong but it has only been since Hurricane Andrew that addicting the barrier coat was even proposed in Florida.

In the NE, and I am sure other cold climates , the barrier has been a requirement since the 70's mainly as protection from Ice Dams on the roof. ( for you in the south.. an ice dam is when the snow on your roof melts partially during the day, gets down to the edge of your roof and then freezes that night ... after a few days it can get pretty heavy and it start backing up under the shingles...) What we used to use was a roll out barrier that you would nail to the roof. As the heat hit it, it would then bond itself to the roof and the other pieces.

Best stuff ever when it comes to stopping foul weather.

As for clay v Concrete,

Clay on average is 30-35% more expensive, but will keep its color longer and, If I am not mistaken, a concrete tile life expectancy is for 50 years vs about 70 for tile........

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Old 12-10-2008, 08:18 AM
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Default Re: Any roofing guy around here???

I guess that I learned something new too... I thought that clay was cheaper than concrete tiles....!!!!

I do not expect to be on that home for 50 or 70 years so now is up to the HOA to approve concrete tiles. I was told that concrete tiles "looks cheap", shiny, "like painted", but I will see for myself.

Also I think you are right, the code over here changed right after Andrew. My problem is that houses on my development were sold before Andrew and built after Andrew.

So as you would imagine, the quality of those roofs are terrible.. the developer sold the houses at X price, Andrew pass by and destroyed Homestead, all the labor and materials went up, but the developer was tied on the houses prices, and since the permit for my development was pulled before the hurricane they were "grand fathered" on the old code.

If you look under my tiles, there's ONLY AND JUST ONE PAPER #30. Tile on top and there you go....

UN-FRICKING-BELIEVABLE the city approved that crap.
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Old 12-10-2008, 08:22 AM
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Default Re: Any roofing guy around here???

fishingfun - 12/9/2008 10:01 PM

Learm something new everyday and I assumed that tiles gave the waterproofing. These roof's sound like they are very expensive.
I know up here a clay tile roof is approximately 3.5 to 4 times more expensive then a good 35 yr. shingle. Slate tile roofs are the most expensive coming in around 6 to 7 times more then a top quality shingle.

Cost of clay/ concrete tiles is one thing; can the structure of the dwelling carry it is the main concern. Many/ most dwellings can not carry the load. But there is other alternatives to clay and concrete, there is fiberglass and steel. Now I can't say that I'm overly impressed with the look of the fiberglass and steel, but they give the house the look at a fraction of the weight.


Clay vs. concrete tiles. wmalloy382 is correct to my understanding:
"Clay on average is 30-35% more expensive, but will keep its color longer and, If I am not mistaken, a concrete tile life expectancy is for 50 years vs about 70 for tile........"

Something else to consider when trying to decide between clay and concrete. Concrete tiles are made out of concrete....dahhh, well concrete leaches lime and lime sweeten soil to the extent of major league throwing off the PH balance. So there is no way to benefit from a cistern if the water is coming off of a concrete roof. If you're not utilizing a cistern system then forget about basically any plants or grass growing well in the close proximity of your down spouts.
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Old 12-10-2008, 09:10 AM
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Default Re: Any roofing guy around here???

In Florida, almost all tile manufactured locally is concrete based. The nice thing about foam is it supports the underside of the tile, so when 300# joe the roof cleaner is walking on yer roof he won't break as many tiles.

The whole roof SYSTEM has to have an approval to be used in Florida. Edges are particularly vulnerable and have special treatments. As for pitch, most roofs are 3/12 to 7/12 to meet hurricane codes. The secondary water barrier is indeed a recent addition to the code.
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Old 12-10-2008, 10:40 AM
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Default Re: Any roofing guy around here???

I have clay right now, that was what the hose have since it was built.
I really like the clay tile look, but someone was telling me that concrete is much better, and on top of that you guys are saying that it should be cheaper, so I will see if the HOA allows it.

No cistern around here, so another point not to worry about, but thanks for mention it.

I would believe that my roof could handle the weight of the concrete if I would decide to go that route....

Billinstuart: since you mentioned the foam, let me ask you... Do you know if they use the foam on the whole tile area, or just on the top and bottom to glue it to the paper????If that's the case there would be a hollow area on the middle of the tile that could brake when 300 pound Joe cleans the roof right????
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Old 12-11-2008, 04:59 AM
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Default Re: Any roofing guy around here???

Naw, they put a big blob under it and set the whole tile in it. As for the clay tile look, even barrel style tiles are concrete, not just the flat ones. They have clipped corners so they fit together tightly.
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Old 12-11-2008, 06:05 AM
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Default Re: Any roofing guy around here???

I was wrong!!!! I have concrete tiles, I was misled by a neighbor, but yesterday when I picked up a tile and look under it was obvious that it is concrete... so that is what I'm going to be using... thanks everybody for your help.....
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Old 12-11-2008, 04:44 PM
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Default Re: Any roofing guy around here???

There's only a couple of manufacturers in Florida..a big one in Indiantown. Been to the plant. Most leaks are at valleys and penetrations..stacks, vents, etc. The tile is simply a watershed.

Clay tiles used to be made in Ludowici Georgia. They also made clay building blocks. "course that was 75 years ago.
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