| Subject | Date Asked | Expert |
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| Plywood on roof is bulging up | 10/15/2008 | Brad Zacharia |
Q: I was researching why my roof is bumpy and I read this article which didn't answer ...
A: That's all in the shape of the plywood which means the plywood is loose. Either a lot of the nails ...
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| modified bitumen application | 10/14/2008 | Tom Souza |
Q: My roofer states that he applied a modified bitumen hot asphalt method roofing on top of the old ...
A: In most cases I recommend removing the old roofing down to the sheathing. ( Reasons See below ) 1. ...
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| double layer of shingles? | 10/14/2008 | david burnett |
Q: My current shingles are 20 yrs old. I got an estimate for a new roof, and the roofer said in my area ...
A: I would get a price both ways and then decide. It is better to take off the old ones but a little ...
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| Amount of Duration Shingles | 10/13/2008 | Michael J. Owen |
Q: We were told that we should order 18 squares of Duration Shingles for our roof. We figured the ...
A: Either someone measured your roof wrongly or there are more shingles in a bundle than normal. Three ...
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| Small Cantilever or overhang roof | 10/13/2008 | Brad Zacharia |
Q: We are getting a metal roof installed which will cause the snow to slide off directly onto the heat ...
A: If you "cantilever" something then there are no supports. That's what a "cantilever" is. Any ...
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| Comp roof over "Kool Seal" | 10/12/2008 | Michael J. Owen |
Q: Michael, I just built a 10'x10'x10' storage shed with a gambrel roof, the sheathing is OSB. Because ...
A: I don't see any reason why you could not apply two or three coats of Kool Seal over the OSB boards. ...
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| new addition roofing | 10/12/2008 | Todd E. Miller |
Q: I have a 16x80 mobile home and have put a 12x80 addition on it. The addition roof insulation is ...
A: You really need a vented airspace -- with both intake vent and exhaust vent. www.airvent.com is a ...
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| My "wavy" roof | 10/12/2008 | Brad Zacharia |
Q: My house is not even 2 years old. I live in Louisiana and our area was affected by Hurricane Gustav ...
A: If the waves are between the rafters then the plywood is sagging. If the wave is across the roof ...
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| Roof Stains | 10/10/2008 | Michael J. Owen |
Q: I have black stains on my Red IKO roof. My roof looks black now. Per IKO web site they say it's ...
A: Here are three web sites that will help you decide the best way to attack the problem. Hope this ...
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| Modified v. SPF | 10/10/2008 | Brian Atkins |
Q: I have a flat roof and have estimates for a modified roof and Spray Foam with Coating. The spray ...
A: Good Morning Melissa, The spray foam roof will have a great R-value. The modified roof may not ...
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| ROOF VENTILATION | 10/9/2008 | Todd E. Miller |
Q: WHY WOULD A ROOF OVER UNHEATED GARAGE SPACE NEED TO HAVE RIDGE VENT AND PERFORATED SOFFIT?
A: Unless you are going to have source(s) of heat and/or moisture in the garage, venting probably is ...
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| Shingles | 10/8/2008 | Brad Zacharia |
Q: Brad, A few questions about shingles: 1. We have a 15 yr old roof with composit shingles that has ...
A: Any product you buy is guaranteed to be made well. If you buy a refrigerator the guarantee promised ...
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| bowed roof | 10/8/2008 | Brian Atkins |
Q: I own a 40+ year old salt box style home in the Chicago area. The roof shows a slight bowing. I ...
A: Hey Dennis, You will need to find a contractor that is familiar with doing structural modification ...
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| Asphalt/fiberglass shingle installation | 10/8/2008 | Ron Haynes |
Q: I believe that shingles require the heat from the sun to activate the adhesive that 'glues' each ...
A: Fred, You are right regarding sun activation of the adhesive self-sealing strip on the shingles. ...
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| Felt paper installation | 10/8/2008 | Michael J. Owen |
Q: I would like to know is the felt paper suppose to be under the drip edge or over the top. Are is ...
A: I have argued for years about this. Many contractors/builders say the felt paper should be under the ...
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| Correct way to flash wall to roof of low slope porch roof | 10/8/2008 | Brian Atkins |
Q: Brian, I have a two story colonial home and have am converting the rear deck into an enclosed ...
A: Good Morning Robert, It sounds to me like you are trying to flash the transition where a vertical ...
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| flat roof | 10/8/2008 | Brian Atkins |
Q: Hey. We have a flat roof porch (that we do use) over our sunroom, it is a white rubber and is ...
A: Good Morning, Yes there are plenty of other options. You need to talk to more roofing contractors. ...
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| biobased roof coatings | 10/8/2008 | Shawn Watson |
Q: I am interested in learning more about the soybean based liquid roof coating that is applied over an ...
A: I am not familiar with this product. We use a water based acrylic coating. It is an elastomeric ...
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| Reroofing over damaged shingles | 10/8/2008 | david burnett |
Q: We are trying to decide between a new rook or reroofing. We have two areas of our roof where the ...
A: Susan, I'm going to quote an earlier answer I gave to a similar question - please feel free to ...
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| roof problems | 10/7/2008 | Brad Zacharia |
Q: We had a new roof installed last fall (10-19-07). Since that time the shingles have never flattened ...
A: It's difficult to cover with a tarp when it involves the chimney as you can't cover the chimney. ...
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| an "oatmeal-like" roof patch material | 10/7/2008 | Brian Atkins |
Q: I am trying to hunt down a product that was used here in the past. It is a granulated product that ...
A: I think you're looking for this. http://www.swepcousa.com/bpsite/bppdf/J11449_lsSB.pdf Every ...
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| clay tile roof repair | 10/7/2008 | Brian Atkins |
Q: Brian, our house was built in 1919 and is of brick construction with a clay tile roof. The tile ...
A: Your roof should cost nowhere close to that. Fly me out and I can guarantee that, lol. You should ...
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| tile roof attic insulation | 10/7/2008 | Ron Haynes |
Q: Ron, we have a brick home built in 1919 with a clay tile roof. Our attic is not insulated. There ...
A: Allen, The solid foam, if sprayed in place, as opposed to a foam board is likely quoted at an ...
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| roof repair products | 10/7/2008 | Brad Zacharia |
Q: I have received estimates to repair a flat roof. One contractor has offered to seal the entire roof ...
A: Henry's fiber coating can be asphalt or aluminum coating but Henry's is the stuff Home Depot sells ...
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| roof coating waterproof | 10/7/2008 | Brian Atkins |
Q: I have a home in Ft lauderdale FL built in 1959 with the original clay barrel roof. Last week it ...
A: Joel, If your roof started leaking it means the water proofing part of the roof has a problem. The ...
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| Specifying a new standing seam metal roof | 10/7/2008 | Dan Merrill |
Q: Dan, I have decided that I want to replace my 40 year shingle roof that was damaged in a hail storm ...
A: Many of the manufacturers do not deal directly with the public, most go through distributors, but ...
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| discontinued GAF asphalt shingles | 10/7/2008 | Brian Atkins |
Q: I have put an addition on my home and Home Depot has just told me that Royal Sovereign Autumn Brown ...
A: Sunday, October 12, 2008 You should try a local roofing distributer and see what they have in ...
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| Flat roof repair Help - South County Roofing | 10/6/2008 | Brian Atkins |
Q: Have to install an over the stove microwave oven with vent. There is not a long distance to travel ...
A: Yes you do exactly that. About your concerns. Heat sealing around such a penetration is but one ...
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| Asphalt shingles not laying flat | 10/6/2008 | Michael J. Owen |
Q: I had a brand new roof put on my duplex in February. Dome of the shingles were not laying ...
A: Sounds to me like a bad installation job. If the decking is laying flat, there is no reason for this ...
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| cedar roof close valley | 10/5/2008 | Brad Zacharia |
Q: how do I install ( make ) a close valley on a cedar roof? If you have the answer can you also send ...
A: You can't do a closed valley on a cedar roof because you can't bend the cedar to go up the other ...
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| Roof defect and Hurricane Ike | 10/5/2008 | Brad Zacharia |
Q: We live in a small development (137 homes) in Pearland, TX where half were built by one builder (X) ...
A: One builder might have used a different shingle from the other builder. Different shingles have ...
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| roof leak | 10/5/2008 | Mark Sundberg |
Q: Our roof has leaked for years. One side is a mobile home and the other side was built onto and made ...
A: Aloha Ashley, Well, not sure, but perhaps something like a cricket. The main defense against water ...
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| problems with tar paper shrinkage | 10/4/2008 | Michael J. Owen |
Q: We are roofing a small shed in our yard. The tar paper has been on for a while w/o shingles and it ...
A: That's a new one on me.......There should always be a sufficient overlap of at least 4 inches and I ...
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| gutters and snow on metal roof | 10/4/2008 | Todd E. Miller |
Q: Will rain gutters get ripped off my metal roofed barn? We just built a 120x60x16 indoor arena in ...
A: I would suggest a 6" gutter made of minimum .032" thick aluminum hung with internal brackets. This ...
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| Roofer sliced through underlayment | 10/3/2008 | Michael J. Owen |
Q: I'm in the process of getting a new roof. It's a tear-off, with new 1/2" plywood sheeting, 30# ...
A: That is a tough call. The chances of leaks down the road, although possible, may not happen. The ...
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| roof / wall leak | 10/3/2008 | Brad Zacharia |
Q: my brother has a house in which the porch area was covered up and converted to a parlor. it has ...
A: The only way you could do it from the inside is to take out the wall, build a complete wall out in ...
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| setting for attick exhaust fans | 10/3/2008 | Dan Merrill |
Q: is there a setting for the summer months and one for the winter months. If so, what are these ...
A: The settings depend on where you are located. Usually, the summertime settings are about 15 to 20 ...
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| Specifying a new standing seam metal roof | 10/2/2008 | Dan Merrill |
Q: Dan, I have decided that I want to replace my 40 year shingle roof that was damaged in a hail storm ...
A: The best place to start looking for a metal roof is metalroofing.com it is the site for the Metal ...
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| torch down rubber roof | 10/2/2008 | Tom Souza |
Q: My question is how much of an over lap is necessary between the sections, is it important that the ...
A: First make sure you understand the flame, Around 12 to 15" of the flame can not be seen during ...
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| Roofer sliced through underlayment | 10/2/2008 | Michael J. Owen |
Q: I'm in the process of getting a new roof. It's a tear-off, with new 1/2" plywood sheeting, 30# ...
A: This needs to be addressed as it is a potential problem. There should be no exposed plywood under ...
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