For questions regarding the roof of a home or other structure in general, including roofing types, installation, maintenance and repair, upgrades, venting, and potential problems.

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What's the true longevity of exposed fastener metal roofs?

I want to replace my roof. Exposed-fastener metal roofs are popular and common where I live, but nobody nearby has owned one long enough to really comment on the longevity. I worry that over time, the ...
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0answers
11 views

How can I reduce the amount of dirt in my attic without affecting its ventilation?

Our house is a 1930's suburban build on the outskirts of London, UK. It has its original roof complete with massive gaps between the roof tiles and no felt. While this does provide great roof ...
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1answer
38 views

Is it ok to re-slope one of my gutters to another gutter?

Right now, on one side of my roof, I have two gutters that come together at an inside corner. Each gutter goes to the edge of the house with a downspout, which would mean that the inside corner is the ...
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3answers
113 views

Why should I repair/replace roof just because it's old?

My roof is old. Shingles are worn down, some are torn, and there are some nails coming through some shingles. I'm being told by some contractors there for other reasons that my roof needs immediate ...
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0answers
40 views

Dormers with ridge vents lower than main ridgeline

My roof contractor placed ridge vents on all peaks on my home, including the dormers. So, I have the main attic space, which is vented by a ridge vent running the entire length. I have plenty of ...
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3answers
76 views

Leaking flat roof

We have a "flat roof" (actually a very slight pitch) which is made from lead with folded seams. It is rectangular, with a slight slope toward one long side where there is a gutter with a downspout at ...
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1answer
47 views

Help translate terminology relating to flat roof construction

I just bought a house which had an extension done 12 years ago. I am about to do some work in this area and want to understand what has been done before. Below is a screen shot of the bits of the ...
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1answer
34 views

Which kind of roof coating to use to treat low pitch mod bit roof?

My city row house is 100+ years old and has a low pitch modified bitumen roof. It looks like a one piece asphalt or tar sheet covering of the roof. I bought the house 7 years ago and never had it ...
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2answers
97 views

Proper method to send wiring through the roof?

I'm planning on a security camera install. All of the connections will start from the 2nd floor and go to some cameras on exterior at the ground level. The 1st floor has a roofed deck that extends out ...
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1answer
50 views

Roof Flashing to Brick Wall: Leaks

I have an addition that is attatched to a brick exterior wall, and it appears that the copper counterflashing has come loose from the roof, and is now causing a leak inside the addition. Is it ...
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1answer
67 views

Can you extend rake edge on existing gable?

I have a barn on my property with a decent roof - (shingles look good and may have another 5-8 years on them). The rake edge on the gable, however, is perfectly flush with the sides of the barn, NO ...
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5answers
200 views

removing snow from roof

How do I remove snow from my roof? How about 4" of snow covered with 1/2" of ice? How do I know when I should risk getting out there to try to remove it? We just received a notice from The New York ...
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1answer
93 views

Attic Venting of Knee Wall in Cape Cod

I have a cape cod style home, pictured below. The second story living space on the back side of the home is created by having a lower pitched roof. So, the front and back sides of the roof have ...
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1answer
85 views

Can you remove a tin roof and install insulation and re-attach the tin roof?

Hello from Hobart Tasmania. I have purchased 1930's weatherboard cottage with a tin roof. The roof is insulated in the main part of the house (i.e., in the attic) but the additions on the house are ...
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0answers
46 views

Leaking roof/ceiling

We had a new roof put onto our kitchen extension because water marks were appearing on the ceiling. For a year, this seemed to stop any further water coming through. in the past week or so more ...
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1answer
46 views

From metal roof to composite shingles, mold and water issues?

So we had our roof replaced in 2007 from a ribbed metal roof to a comp roof. We also live in Washington State in a gambrel roofed home with no duct work and about a 4' by 12' attic. During the tear ...
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1answer
58 views

Exhaust fan leaking from elbow joint connected to the ceiling

I have a metal elbow joint that is leaking. It is connected to an exhaust fan in the bathroom and runs to the roof. What can I wrap the elbow with to stop the leak?
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1answer
57 views

something similar to zip ties? (heavy duty)

I have a dog kennel and framed roof with a tarp. Traditional bungee straps for the tarp have too much give and stretch out over time. Additionally, any snow load causes the tarp to deform and dump ...
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2answers
138 views

What can I use as dog kennel roofing?

I have a 10' x 10' chain link kennel (standard round tube). I'm looking at roofing options, and all of the kennel covers that I've found so far are tarps. I have concerns over the durability and snow ...
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0answers
50 views

Can a false ceiling improve insulation?

My new house has a very small kitchen which is actually an extension of the house with its own roof. I suspect its roof insulation is old and not effective, because this kitchen is quite cold (12 ...
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2answers
140 views

How to create a conditioned attic?

My attic has reached the point of no return with storage. I must use it for that purpose. So now I have to find a way to insulate the attic's roof. For this DIY handyman dad, does anyone know of a ...
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0answers
34 views

How to protect exterior galvanized flashing?

With ships, they'll bolt zinc blocks on, can I "re-galvanize" metal? I ask as I have some flashing that was likely installed in 1938. It was galvanized and is in reasonably good shape. But replacing ...
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1answer
142 views

Covering roof vents to keep out roof rats

I have around 20 vents on my roof and I currently do not have a roof rat problem but I want to cover them with something to prevent roof rats getting into the attic. I'm sure I can find something at ...
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2answers
457 views

Do I need to add roof vents if I close off a small attic space in the garage?

I have a small section of roof over the front of my garage, which I would like to insulate and drywall (making my garage fully insulated). It is 39" high, and 54" by 17', framed with 2x4 trusses, ...
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1answer
86 views

Gable and Roof Vents Together?

I need to add some additional exhaust venting to my attics, along with some along the soffit as well. I need some knowledge on a few things as I can't seem to find answers for them on the interwebs: ...
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0answers
88 views

Is this the correct way to vent my roof?

We recently bought a 1950s vintage house with no soffits, i.e. no roof overhang. Thus there are no soffit vents in my attic, only a ridge vent and 2 gable vents, one with a powered fan. However, those ...
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1answer
127 views

I need a new shingle roof, does the 12/2 minimum pitch still apply if I use peel-n-stick?

Does the 12/2 minimum pitch rule for shingles still apply if peel-n-stick is first applied to the roof deck? Why would I have to put down a membrane on 12/1 pitch above the porch, instead of shingles, ...
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2answers
242 views

How do I find where my roof is leaking?

I plan on selling my house within a year to a custom builder who will demolish it and build a new home. Recently rain has been leaking into the bedroom, bathroom, and kitchen. Exactly where in the ...
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2answers
122 views

How do I find the source of a slow leak in a roof that has been repaired?

We have had a slow leak for 20 years. The roof has been replaced. We still have the leak, so how do we find the leak?
3
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1answer
178 views

Are alternative roofing types, such as rubber roll, usable for a typical residential sloped roof?

I'm wondering specifically, if rubber-roll roofing, such as this can be used on a sloped roof. Or maybe if there is something akin to the stretch-and-seal tape but in large sheets that would be ...
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4answers
451 views

How to I safely anchor a safety line to a chimney?

I am going to be installing an antenna at the top of my brick chimney and I'd like to be able to use a safety line with a fall arrestor. The chimney visually looks OK. I'm trying to figure out the ...
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2answers
118 views

How can I reduce how much a flat roof heats my house?

My flat roof is insulated with wool, but still it's heating up my room considerably. The situation is much better in the rest of the house. Any ideas how to do a quick fix? The roof is currently ...
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2answers
114 views

How should I waterproof a concrete roof?

We have a 28y/o Medical Clinic in a remote area of Haiti. The roof is concrete and has one coat of DryLoc on it which is lifting off in many areas. The roof is 136' X 35' with a very slight pitch to ...
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1answer
292 views

Should I seal these areas in my roof?

Our home has some areas where the different pieces of roof meet the primary roof. These may or may not meet the criteria for "dormers." I recently had a local worker do some caulking & painting. I ...
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0answers
389 views

How should the gutters be installed on a huge gable dormer?

I have a situation similar to this photo (except my "dormer" is 24 feet long), focusing on the upper gutter: I think it makes the most sense to catch rain/debris from a roof valley in the main gable ...
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2answers
81 views

How can I inspect and repair a roof with moss and other greenery on it?

I have a pantry on my house, its attached to the kitchen but has its own slated roof and an outside wall. I have has issues with it getting damp, I have replaced the outside door as that was leaky, ...
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1answer
110 views

How can I create a polycarbonate roof valley?

My roof valley is wider than this. I want light to pass in through. Is the polycarbonate I should use? Can I make a joint somewhere in the middle through the length with polycarbonate. I need some ...
3
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1answer
118 views

Is sheathing required under a hybrid concrete tile roof?

We have hybrid concrete tile roof that has concrete tiles attached to a dense foam backing. The roofing was installed about 15 yrs ago. In looking in the attic, I noticed there is not plywood or ...
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2answers
557 views

Should I insulate my roof on the inside or outside?

I am renovating my house and am completely redoing my flat roof: ceilings, insulation and roof covering (I am planning to use EPDM rubber). In case it is relevant, I am living in the Netherlands. My ...
5
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1answer
353 views

What kind of repairs are prudent for a ridge board damaged by a falling tree?

The limbs of the tree punctured the roof in at least two spots, so we're already looking at repairs. Upon closer inspection within the attic, I noticed that the ridge beam is just slightly splintered ...
3
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1answer
1k views

How can I install soffit vents from the outside?

When we moved into the house we live in there was literally no insulation in the attic. We have a 4 1/2 pitch roof. We live in Texas and our first electric bill in a 1450sf house was almost $500. ...
2
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1answer
275 views

Is a roof sprinker a good idea?

I live in an area where temperatures often reach 95°F (35°C). I have attic fans and soffet vents and radiant barrier. Is it worth adding a roof sprinkler? I have read about it working wonders ...
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2answers
338 views

When is it time to replace the roof?

I've read several some of the guides out there (examples here and here) on this topic. I've found a shingle in the yard a couple times (after heavy wind/rain), and at times I've seen a few granules ...
5
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3answers
712 views

How can I add insulation to my roof?

I have an old 1930's house, the upstairs of which is in the pitched roof space. I've just checked and it has no insulation what-so-ever up there, so it is very much the same temperature as a loft at ...
4
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1answer
2k views

How do I seal a leaky roof and repair the minor ceiling damage it caused?

We recently had some very heavy rains and during the worst of it we had some leaks. When I noticed the problem, I went into my attic and found out that the leak was coming from around a vent in the ...
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2answers
154 views

Should I paint wood in a roof that is not directly exposed to the outside?

I'm currently in the process of replacing the roof of a room. This room was originally a balcony, so has never been part of the main house. The roof that was removed had wood beams with wood ...
5
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1answer
324 views

Will combining roof venting systems cause short cycling?

I'm looking into buying a new house here in Wisconsin that has soffit vents, ridge vents and some additional static roof vents installed. However, when the home inspector came through he said that ...
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1answer
271 views

Why am I having an attic ventilation problem this year when I didn't last year?

This winter in the attic I noticed ice on the roofing nails. Obviously warm moist air condensed and then froze on the cold nails. When the weather broke and warmed up a bit, I was back up in the attic ...
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1answer
645 views

Can I use a threaded rod for a rafter tie?

Long story short: I am working on a 1960's house with no rafter ties. The rafters themselves are now attached with screws and strong-ties (previously just double nailed!) but I don't have faith in the ...
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1answer
22k views

What is the minimum roof slope to accommodate rainwater drainage?

I have a patio with a 13ft(4m) by 26ft (8m) Roof, the slope runs vertically down the short (13ft) side.. and the height difference from the high point to the low point is only about 10in (25cm). ...