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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3
votes
2answers
3k views

What is the method to seal a concrete roof?

We are staying in a home which has a concrete roof. Now we are facing leakage in the roof during rainy seasons. What do we have to do? How do we protect the roof from leaks?
3
votes
1answer
121 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 ...
1
vote
1answer
31 views

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 ...
1
vote
2answers
83 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, ...
0
votes
0answers
20 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 ...
1
vote
1answer
42 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 ...
2
votes
1answer
541 views

How can I build a temporary support for rafters?

I have a hipped roof with 5.5 metre common rafters supported mid span by strutted purlins. The rafters, and below them the ceiling joists, are trimmed around a double flue chimney breast at the flank ...
1
vote
1answer
87 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: ...
0
votes
1answer
99 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 ...
0
votes
0answers
42 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 ...
3
votes
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 ...
11
votes
2answers
9k views

How do I use an extension ladder to get onto my roof?

I have a two storey house and need to get onto the roof to apply some heat paint on my furnace exhaust pipe before winter. It looks about 20-22' from the ground to the edge my eaves, so to be safe I ...
0
votes
3answers
114 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 ...
6
votes
1answer
552 views

Venting the attic space during summer to cool the house

The air in my attic gets superheated during summer, from the sun baking the (clay? terracotta?) roof tiles (I live in Sydney, Australia). I have good ceiling insulation, and even put in some sarking ...
4
votes
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 ...
2
votes
3answers
77 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 ...
0
votes
1answer
49 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 ...
13
votes
6answers
10k views

What is better for a roof, plywood or OSB?

While watching the builders next door do their thing, I became curious with their technique to install plywood on edges neighboring the next townhouse, and OSB for the rest (which for these narrow ...
5
votes
2answers
2k views

How do I repair/reattach downspout and gutter after snow/ice damage?

We've had a heavy dose of snow here in the Boston area it has taken a toll on our gutters and downspouts. The downspout at the rear of my house filled with ice and pulled away from the elbow that ...
0
votes
2answers
101 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 ...
11
votes
1answer
9k views

What are the pros and cons of installing a roof heating cable?

Had some roof work done last year after mother nature abused my house by way of an errant tree branch. I had always suspected my roof had poor ventilation, most notably when I wound up with a 200 lb ...
1
vote
1answer
52 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 ...
1
vote
1answer
74 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 ...
0
votes
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?
1
vote
1answer
91 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 ...
1
vote
2answers
1k views

Exhaust fixture for venting bathroom fan through roof

I'm planning to install a roof vent for a bathroom exhaust fan I'm putting in. I'm thinking about using one of these: but I was wondering if I need to worry about it getting blocked by ice or snow? ...
6
votes
3answers
6k views

Does water dripping through my soffit indicate a problem?

When it rains, water drips through the soffit and along the inside face of the fascia. This picture shows the water dripping through, but when it rains harder sometimes there's more: My landlord ...
0
votes
0answers
48 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 ...
0
votes
1answer
47 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 ...
7
votes
3answers
264 views

Wind Mitigation

I live in Jacksonville, FL and my insurance premium went up by about $500/yr. I was told that the biggest reason was because my house isn't up to current code for hurricane/wind mitigation. I'm a ...
3
votes
3answers
224 views

Roof stone tiles. How to fasten them?

I am watching a TV program where they are restoring a ruin into a cottage. One thing that left me aghast is the fact that the roof was made with flat, very heavy stone tiles. Ater they rebuild the ...
1
vote
1answer
60 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?
2
votes
2answers
830 views

Why am I getting a lot of condensation in new shed?

I just got a new shed built with concrete blocks and a metal roof last month and thing is dripping with condensation from the roof. There is absolutely no insulation in the shed. How would I get rid ...
0
votes
1answer
58 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 ...
0
votes
2answers
145 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 ...
1
vote
4answers
1k views

How can I seal around this pipe on my roof?

I have a PVC furnace exhaust pipe coming out through my roof. Unfortunately, the guy who installed it used the wrong size flange. So instead of the rubber rising upwards against the pipe, it is sunken ...
5
votes
8answers
6k views

What are the pros/cons of Ondura for roofing?

I came across Ondura in Lowes this morning and had never heard of it. It looks pretty slick. Does anyone have experience with it to share? I found no matches when searching here and was sort of ...
2
votes
4answers
2k views

Can a completely flat roof be waterproof?

I would like to build a 6 x 8 ft playhouse with a deck covering the top. Is there a kind of roofing material that can (1) withstand a floating deck, (2) is DIY friendly (no blowtorches, hot asphalt, ...
2
votes
2answers
119 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 ...
0
votes
0answers
51 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 ...
2
votes
6answers
14k views

How do I approach new water stains on my ceiling?

I am a brand new home owner with almost no experience with DIY stuff. There was a few days of significant rain and now my wife noticed some stains on our 2nd floor ceiling that we are pretty sure ...
7
votes
2answers
473 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, ...
1
vote
2answers
142 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 ...
2
votes
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 ...
2
votes
1answer
143 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 ...
1
vote
0answers
89 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 ...
3
votes
3answers
12k views

How to remove moss from my roof?

My roof seems to be growing moss and I'd like to remove it. I did some research and it looks like the solution is to mix water and bleach, spray the mix on the moss and then scrub the moss off about ...
1
vote
1answer
129 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, ...
1
vote
2answers
248 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 ...
3
votes
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 ...