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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2
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0answers
28 views

How to fix eaten/rotten rafter

I need to repair the ends of some rotten 5"x3.5" (actual size) rafters (the pic is the worst one). I'm thinking about using a pair of unequal length 2x6s to create a sort of half-lap joint with the ...
0
votes
0answers
24 views

Roof Fascia -> Do I need aluminum around fascia? Does fascia have to go over siding?

I'm about to redo a garage roof. (Existing roof picture is below.) I think I understand how most things come together: rafters, plywood, felt, ice shield, shingles, flashing. The things I don 't ...
0
votes
1answer
69 views

Worried about cracked rafters in house built 1985

There are cracks and dry rot in the rafters of this house, and I'm wondering how urgently they need to be fixed: support rafter where brace is located, crack runs widthwise almost entire width ...
0
votes
1answer
56 views

When re-roofing and doing a tear-off do I have replace the roof deck with plywood?

My home was build in 1920 and uses planks for the roof deck. I was planning on just removing the old asphalt shingles and installing new asphalt shingles. Makes sense to me; until a contractor friend ...
4
votes
1answer
85 views

How should I repair a cracked trough roof beam?

My garage has a 17' 2x8 ridge beam. The roof is a V, lowest in the center, with 2x4 rafters nailed to the sides of this ridge piece. At some point the roof drain clogged, the roof turned into a ...
1
vote
1answer
64 views

Extend Roof for Patio Cover

I have a corner patio area that I want to cover by extending the current roof. The side is 14.5' long and 9.5' wide. The slope is along the 9.5' side. I want to extend the roof line marked with ...
4
votes
3answers
81 views

How can I calculate covered area under a single-slope roof?

I'm looking to build a small covered patio area on our property, next to our pool. It'll be open on all sides, and covered by a simple skillion/single-sloped roof. So something like in this photo: ...
1
vote
2answers
37 views

Mold and an insulated shed roof

Thanks in advance for any answers. I have just had a shed installed which is built onto the side of our house. It has a metal roof, with OSB board under it (there are wooden noggins to support it). ...
4
votes
3answers
67 views

Redoing my roof: how should I redo my insulation?

I live in Denver. My 60 year old house is 1.5 stories. The upstairs has a highly sloped roof and definitely has insulation in the relatively narrow attic and I believe has insulation at the angled ...
3
votes
3answers
1k views

How to leak proof roof?

I'm working on converting an external garage into an office. I've removed the original flat roof and replaced with a pitched roof. I designed and built the roof trusses myself. I then put ...
0
votes
0answers
33 views

Decking on a Metal Roof

I can't say for sure that I've ever seen a deck on a metal roof... is it against code? If not, can anyone point me in the right direction for information about building a deck (or a crows nest) on top ...
1
vote
2answers
34 views

Is this algae or moss? How to remove it without damaging the shingles?

I live in the Seattle area. Below is a picture my roof. What are the green traces on the roof. Is this algae or moss? What is the easiest way to remove it without damaging the shingles and the ...
0
votes
1answer
30 views

Identifying and fixing leak sources, relevant cracks and water flow on a flat concrete roof?

I'm asking this here to avoid being conned by "professional" roofers in India who either exaggerate their estimates or send highly unskilled labourers to do the job. This is the layout of a roof: ...
3
votes
2answers
37 views

Improvising a temporary skylight?

I have a skylight that is essentially a flashed plywood curb with a late 50's era glass paver that "cups" over top. No tar or caulk, just gravity holding it there. Now, because I'm an idiot, I decided ...
2
votes
2answers
34 views

Flat roof ponding near drain - should roof be raised?

We recently raised a dipped section of our flat roof in order to reduce ponding. We're not sure we've raised the roof enough. Here's what it looked like as the rains died down. Do you all think we ...
3
votes
2answers
103 views

Repairing a notched rafter in a truss roof

I had a guy install a whirlybird-type vent in my roof.. those non-powered turbine types. Upon cutting the hole to install the vent, he accidentally cut a notch in the rafter: ). There are two ...
2
votes
3answers
558 views

What size beam do I need, and can I build one from lumber and steel?

I want to support a 20 ft. span of my roof where two roofs come together. My house is was originally 46'by 20'. A 40'by 12' addition was added, making an L shape, and when they put the beam in they ...
1
vote
2answers
75 views

Do you leave the heating cables for the roof/ gutter on 24 hours a day?

Do you leave electric heating cables for the roof/gutter on 24 hours a day?
1
vote
1answer
43 views

Name for Clerestory roof with windows at ridgeline?

I know the term "clerestory" can be applied to a variety of rooflines which permit windows above the normal top of the interior walls, but was wondering if there's a specific name for the version ...
6
votes
2answers
1k views

What is the lifespan of plywood as roof decking?

We have a 30 year old roof in New England, which we have begun to interview roofers for this spring/summer. The topic of plywood has come up and 2 have said we definitely need to replace the ...
0
votes
2answers
52 views

Fixing Animal Entry at the Roofline

After a raccoon finally left my attic, I had the roof repaired. The roofer pointed out a problem that has apparently existed since the house was constructed. As the first picture below shows, far back ...
0
votes
0answers
26 views

Doors will not open

I had a new roof put on about 2 weeks later my doors to the out side would not open? I think it has something to do with new roof at the same time my house started to sweat, the exterior walls were ...
1
vote
2answers
63 views

Coping stone mismatch on corner of roof causing water damage to my wall

I moved into my house 18 months ago and the back of my flat roof extension has drainage issues. You can see from the picture that the coping stones don't fit correctly on the corner (red circle) ...
1
vote
2answers
98 views

Leaking roof valley strategy

UPDATE: New album with additional photos here: http://imgur.com/a/RGfrP My parent's house has a pretty bad leak that has been going for a few years. Because of money and other issues with the house ...
2
votes
1answer
71 views

Roof trusses left out in rain, are they still good?

I experienced a house fire in May 2015. The house is undergoing a full gut job. The roof has to be completely replaced. Unfortunately, I hired the wrong contractor and they have been taking their ...
0
votes
1answer
43 views

Safely Driving Nails Into Roof

I am looking at a job where I will be driving nails into the apex of a roof to secure roof anchors. My concern is accidentally hitting an electrical line on the underside of the roof. Is this an ...
2
votes
1answer
70 views

What's the proper way to flash an inside roofing corner, with self-stick membrane?

What's the proper detail to apply membrane or tar paper to an inside roofing corner, where a sloped roof meets a higher wall at a corner? Of course a metal flashing goes on top of of the membrane, and ...
0
votes
1answer
59 views

Keeping heating wires secured to roof during snow removal

I have heating wires on my roof but still got bad ice dams the first winter I lived here. This caused leaking and I got my roof repaired. The 2nd year I used a roof shovel and heating elements. That ...
1
vote
1answer
434 views

Ceiling leaks When it Rains, Roof Looks Good

My ceiling drips water sometimes when it rains (especially when it rains hard). It seems inconsistent though, so I think that it may have something to do with the angle at which the rain comes in. The ...
0
votes
1answer
64 views

Concerns about cutting into roof for attic access?

I've spoken with a contractor who proposes cutting a hole in the roof of our circa 1900 house to access the attic for installing insulation. This intuitively seems like a bad idea--that it could ...
5
votes
4answers
175 views

How effective to use zinc strip to prevent roof moss

I live in Seattle. My 6 years old composite shingles start to grow moss this year. I read one post on YouTube that you can use a long zinc strip placed on top of your roof to prevent moss. I am ...
2
votes
2answers
106 views

Ceiling wet at corner of chimney

Whenever it rains, the ceiling becomes wet at the corner of the chimney. I ASSUME it's just a small leak, but obviously I don't want it to become any worse. I have a flat roof, so getting up there ...
0
votes
0answers
19 views

Fascia lining modified bitumen roof

I have a low pitch modified bitumen roof. On the low side it has lumber fascia lining the walls underneath it. I need to replace that fascia because it is rotten and parts have holes for squirrels to ...
1
vote
2answers
69 views

Chimney crown repair - cover holes in bricks?

Getting ready to repair the chimney crown, using this Family Handyman article as a guide. On our chimney, there is a line of bricks around the crown that have exposed holes in them. The holes are ...
0
votes
0answers
37 views

How close to the roof can I drywall in my garage?

I'd like to drywall the entire garage ceiling and I have a tall peak in the roof near the back where the garage roof meets the house roof. I'd love to keep the high ceiling, make some high shelves or ...
0
votes
1answer
74 views

Are 2x4 rafters legal in Connecticut? 13 ft runs

so I bought a REO house and about to redo the roof above the garage. I've noticed that I need to replace some rafters. However - I'm seeing that rafter are 2x4... Is that code-legal? p.s. by 13 ft ...
0
votes
2answers
30 views

I do have a lot of ice and snow on the roof should I install an ice melting cables

I don't have ice damming but do have a lot of ice and snow on the roof should I install a ice melting cables?
0
votes
1answer
150 views

Which foam to use for temporary leak remediation?

I have a leak around a vent pipe in my attic. Unfortunately I cannot get someone out to fix it for several days, and we have a hurricane coming so I can only imagine the rain is going to get worse. ...
0
votes
0answers
27 views

False ceiling to cover the roof

What is the best way to install false ceiling in room with gaddar and rock slabs. Roof view
2
votes
1answer
112 views

How can I prevent/divert rain water from dripping on a flat flashing?

I'm helping maintain a set of townhome units and the homeowners are reporting an annoying drip sound just outside their bedroom when it lightly rains (which is quite often). Apparently the sound is ...
1
vote
2answers
44 views

South Florida roof softit roof ventilation and of insulation batts

I live in south Florida and am insulating the roof by placing batts between the rafters. I'm not sure if placing the batts up against the edge where the beams and walls meet is ok or not. The rafters ...
4
votes
4answers
305 views

Bathroom vent through existing roof vent

I have a roof with two gable vents as well as slanted vents that look a lot like these one: I do not want to install an extra vent specifically for bathroom so I was wondering if I could use one of ...
0
votes
1answer
44 views

Can fiberglass insulation cause leaks?

I've recently bought a 100 year old wood frame house from a DiY guy who took decent care of the place. He didn't put any insulation in the attic though and my home inspector said insulation is a great ...
1
vote
1answer
120 views

I have two roof drains, can I seal one of them?

My house has a flat roof and leaks, mostly directly underneath the drains. I've had problems with leaking around the drains since I've owned the house, mostly dripping, but over time it's turned ...
1
vote
0answers
74 views

possible to have too much soffit intake venting for roof/attic?

Is it possible to have too much soffit intake? Currently my simple gable roof on a ranch home has 8 RVO38 vents but NO soffit intake vents (terrible!). Of course the attic space runs incredibly hot ...
4
votes
2answers
106 views

Is it better to fill up the space between rafters with insulation, or put baffles on top and add soffit vents? (inland Los Angeles, cathedral ceiling)

I have 5.25" tall rafters, about 30" on center, with roof planks directly on top of them. I would like to keep the rafters visible, but add insulation between them. So I only have a few inches to work ...
6
votes
2answers
1k views

How can I keep animals out of my chimney?

I own a three story house with two chimneys. The chimney in the center of the house has two flue liners, one of which is used by our hot water heater and the other was for a fireplace that is sealed ...
0
votes
0answers
48 views

Ceiling water stains… roof appears fine

For the last 18 months i keep getting Water Stains in a 2nd floor bedroom and hallway. My handyman, and two roofers say the roof looks fine. I've had vents caulked but I've been unable to find the ...
1
vote
1answer
569 views

What type of caulk can I use between the furnace vent pipe & flashing on a roof?

Looking to seal a gap between my furnace's vent pipe & the flashing on the roof, specifically here: I'll have to check if there's a missing storm collar too, but should I use High-temp ...
1
vote
2answers
124 views

What should I do about nails that are protruding through the soffit?

Had new roof put on, but when I came home the nails had come through the soffit and split the wood and protrude. Roofer wants to clip off nail, and wood putty the wood. I don't think this is a good ...