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About Brad Zacharia
(Top Expert on this page)

Expertise
All aspects of residential Roofing. This includes shingles and flat (low slope) roofs. I have knowledge in the installation as well as the design of roofs from an engineering standpoint.

Experience
I have been doing roofing for 40 years. This was my father's business and I took it over in 1980.

Publications
I have written responses to artcles that I felt needed a response to and those responses have been published in roofing trade magazines.

Education/Credentials
BSEE Drexel University
www.ZachariaRoofing.com
   

You are here:  Experts > Home/Garden > Home Improvement/Repair > Roofing

SubjectDate AskedExpert

Rubber roof - saturated insulation11/12/2009Brad Zacharia
  Q: New rubber roof summer 2008, installed over non-leaking tar & gravel roof in MA, as a preventative ...
  A: I would need to see pictures. You can't put EPDM on a roof that has asphalt products on it. Also, ...
Dark Streaks on Roof11/11/2009Bruce A. Ryan II, RRO
  Q: My roof has dark or even black streaks over most of it running vertically. What can I use to remove ...
  A: Don, The black streaking is usually caused by an algae that thrives on the limestone fillers within ...
Asphalt Shingles11/11/2009JD Shoemaker
  Q: I want to install a red steel roof on my new home, however the price is more than I want to spend. ...
  A: ..WHO-DEY...and Go Bearcats! YES! you are in luck! There are 2 very beautiful red dimensional ...
Roofing11/11/2009Tom Petrilli
  Q: I have two estimates for two flat roofs. one on extension to garage and one over car port. one ...
  A: Joseph, Each material is meant for different situations, so Im a little confused. Liberty is ...
Dormer valley flashing11/11/2009Michael J. Owen
  Q: Can you please show me how to form the termination of the valley flashing of a dormer with a 600mm ...
  A: I am sorry to say that I really can't figure out how to best approach your situation. Without being ...
Sheating a roof11/11/2009Brad Zacharia
  Q: How do you lift 4X8 osb sheating over the rafter tails onto the roof? Right now it is only my ...
  A: Use a ladder or a plank that does not extend much above the roof. Use a rope with a hook or a noose ...
Roof felt11/10/2009Brad Zacharia
  Q: I am an architect in Seattle working on a standard 10:12 roof pitch. We usually say use 30# felt ...
  A: I've never heard of using 60 lb paper for shingles. Most roofers use #15. It's just used for a ...
flat roof problems11/10/2009Brian Atkins
  Q: i have two flat roofs and have notcied that both have leaked (i was told that they need fixing at ...
  A: Unfortunately I have no idea what the going labor or material rate is where you live. The best I ...
My roof has developed a leak its a very old roof so i would like to ask what to do11/10/2009Brad Zacharia
  Q: my roof started leaking rather badly and we can not afford to hire anyone to fix it at the moment i ...
  A: When a shingle roof goes due to age it is usually hundreds of holes by then. If that's the case the ...
roof11/10/2009Tom Petrilli
  Q: the house is a shaley style . the roof is framed with 3x6 every two feet with 2x6 tung and grove ...
  A: Richard, Ive only done one project like this. This was the material we used, it has plywood bonded ...
Roof Inspection11/9/2009Michael J. Owen
  Q: We are selling our house. The home inspector for the buyer stated that he saw shingles ...
  A: Who you gonna call? Roofbusters of course.......Seriously though, unless your manufacturer was one ...
gaf ridge vent11/9/2009Michael J. Owen
  Q: Should all homes have the ridge vent installed? Littleton Colorado, Jefferson county My home does ...
  A: In my opinion, Yes. I believe, as do many others in the trade, that ridge vents are by far the best ...
Rain Noise on EPDM roofing11/9/2009Tom Petrilli
  Q: I have a rubber roof which produces too much noise inside the house when it rains. The roof was ...
  A: Lincoln, You didn't mention what type of roof you had before so I'll assume it was a similar ...
flashing11/9/2009Bruce A. Ryan II, RRO
  Q: i have a problem withrun off water from the roof running in behind the sideing. it's a two level ...
  A: Mark, It sounds like you need a diverter flashing, or 'kick out' flashing as the last step flashing ...
Cement fiber roof tile11/9/2009Tom Souza
  Q: A home I purchased has a 10 year old roof with cement fiber s- shaped tiles. similar to CEMWOOD ...
  A: The product you are speaking of I believe is called Maxi tile, If you look on the side of it looks ...
Longevity of 25-year shingles11/9/2009JD Shoemaker
  Q: I am buying the house I've been renting for 4 years. My landlord claims that the roof was replace 11 ...
  A: Hmmm.....yes, it still could be a vent issue, the curls could be indicating, "hot-spots" where the ...
Ridge Vent vs. Turbines11/9/2009Brad Zacharia
  Q: I had been told that a ridge vent will vent more air than turbines. I had a roofing company give me ...
  A: Ridge vents can be put on in any length and up to infinite feet while a turbine has only a specific ...
tar paper11/8/2009Tom Petrilli
  Q: What are the lines on tar paper to be used for? I have helped on a few roofs for friends and no one ...
  A: Andrew, The lines aren't really used by steep slope (shingle) roofers. When drying in the roof the ...
Longevity of 25-year shingles11/7/2009JD Shoemaker
  Q: I am buying the house I've been renting for 4 years. My landlord claims that the roof was replace 11 ...
  A: ..a sunny and beautiful Cincinnati Ohio.....Congratulations on the home purchase! Shingles can ...
water dripping from roof11/7/2009Brad Zacharia
  Q: I have a new asphalt shingle roof. It's been a week since we had heavy rain but I notice water is ...
  A: The gutters have a purpose and if it is not working then I'd say you should be concerned about it. ...
Lomanco Ridge Vent Install Question11/5/2009JD Shoemaker
  Q: As part of a new roof utilizing Malarkey class-4 Legacy shingles, contractor also installed Lomanco ...
  A: Hey! Def not wasting my time....no problem! good pics...I think what may be happening is that the ...
Low slope roof leak solution11/5/2009Brad Zacharia
  Q: I have a 19 year old house that has a small offset on the rear, covered with a gable sort of like a ...
  A: You said you have a low slope roof. Then you mentioned shingles. The two do not go together. You ...
metal roofing11/5/2009Michael J. Owen
  Q: just built home now 2yrs old, no venting was installed due to interior ceilings not completed.now ...
  A: I prefer and usually recommend ridge venting with soffit vents. The rule of thumb is one square foot ...
Lomanco Ridge Vent Install Question11/4/2009JD Shoemaker
  Q: As part of a new roof utilizing Malarkey class-4 Legacy shingles, contractor also installed Lomanco ...
  A: from a busy roofing season in Cincinnati, Ohio! I understand you becoming frustrated, and I am ...
110 mph shingles11/4/2009Michael J. Owen
  Q: My home is in central Arkansas where we often see videos of tornado damage, usually complete ...
  A: Simple answer. "YES". If there is a chance of a near miss or high winds of over 60mph, I would ...
Oven Range Vent11/3/2009Brad Zacharia
  Q: I'm the same person who was asking you about possible vent leak and the shingles being positioned ...
  A: The caulking probably won't cause a problem. So now you've determined that the leak is above the ...
shingle roof tear off- windy by the bay11/3/2009JD Shoemaker
  Q: 1. Should the estimates identify all other materials as "GAF" if we select the GAF/ELK Timberline ...
  A: Okay...good questions! IF you want expanded warranty coverage from GAF..then YES, by all means, ...
Importance of complying w/ASTM 3462 standards?11/3/2009Tom Petrilli
  Q: Please, my homework for this roofing job causes me to request compliance w/ the ASTM 3462 standards ...
  A: Martha, 1) I would be surprised if you found a shingle that didn't comply with ASTM d3462. Secondly ...
Adding roof top insulation on Low Slope11/3/2009Brad Zacharia
  Q: That section has pot vents but no soffit vents. I want to remove the vents, fill the space between ...
  A: I was talking about water vapor because you brought it up first. You specifically made the ...
Square Hip Roof Ventilation Improvements11/3/2009Brad Zacharia
  Q: New Northeast homeowner with a small square hip roof that needs to be re-done (asphalt shingles, NO ...
  A: The more venting the better. There is no exact formula. If you want to cool your house off there is ...
Roof Shingle step flashing11/3/2009Tom Petrilli
  Q: I have inspected a three tab shingle roof installed on my in-laws new Northwest Wisconsin home. ...
  A: Fred, Where a shingle roof meets a wall or other vertical area there should be step flashing ...
Leaves in Roof Vent11/3/2009Brad Zacharia
  Q: After a hard rainstorm last week, I noticed some dampness in the wood near the attic of my ...
  A: Can you give me a picture of the front of the vent? Also, look at the vertical seams on the vent. ...
Leaves in Roof Vent11/3/2009Brad Zacharia
  Q: After a hard rainstorm last week, I noticed some dampness in the wood near the attic of my ...
  A: It's not a typical hood. Most are round. Two possibilities. 1. The corners of the vent metal are ...
Timberline High Def Prestique 3011/2/2009Tom Petrilli
  Q: My roof was just done (complete tear-off) with Timberline hd 30 charcoal shingles. I noticed after ...
  A: Mike, Charging for things that are not installed or provided is not a common industry practice. ...
Shake shingles11/2/2009Tom Souza
  Q: Can I use 2 layers of 15# felt for shake shingles instead of one layer of 30# felt both as a layer ...
  A: great Question It is not recommended using #15 pound felt for a wood shake liner. I recommended ...
Metal roof condensation11/1/2009Todd E. Miller
  Q: I have a house with a new metal roof on. The up stairs is finished. It consists of drywall plastic ...
  A: Having plywood decking on the roof and underlayment would possibly help. What is happening is the ...
metal roof on doublewide11/1/2009Todd E. Miller
  Q: I'm an expert here too. I do cats. :) I have a question that i can't seem to get an answer for. I ...
  A: I would not suggest doing this with systems that are not tested and approved by their manufacturers ...
Roofing11/1/2009Brad Zacharia
  Q: My neighbour and myself is planning to redo our roofs together.we live in a semi detached ...
  A: I don't know of any problems with Iko shingles. I never heard of a "pig" valley so I don't know ...
flat roof maintenance11/1/2009Brian Atkins
  Q: We are new homeowners and recently bought a house with a flat roof. The home inspector mentioned we ...
  A: I would do this just after the rainy season every year. During the raining season the water may ...
Installing soffit vents11/1/2009Michael J. Owen
  Q: We moved to Northern New York about 1 1/2 years ago. We bought a house built in 1969, but with a ...
  A: Just happened to be online this morning. Sounds like you could use some more insulation. I think the ...

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Questions by
Active Experts:
Dan MerrillJD ShoemakerBruce A. Ryan II, RRO
Todd E. MillerBrad ZachariaTom Petrilli
Michael J. OwenTom SouzaRon Haynes
Brian Atkins  

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