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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1answer
108 views

What is the name for the section of vertical tiling underneath a bay window?

As per the highlighted section in this picture.
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1answer
767 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
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1answer
80 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 ...
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votes
4answers
197 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
116 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 ...
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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 ...
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2answers
79 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 ...
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0answers
43 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 ...
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1answer
85 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 ...
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2answers
32 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?
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1answer
197 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. ...
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0answers
34 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
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1answer
138 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 ...
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2answers
50 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 ...
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4answers
438 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
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1answer
45 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
140 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 ...
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0answers
84 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 ...
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2answers
119 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 ...
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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
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0answers
57 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
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1answer
760 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 silicone,...
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2answers
135 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 ...
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2answers
721 views

Roof Decking: Plywood/OSB over skip sheathing (decking) or should I strip to the rafters?

I have a shake roof (looks like the original from 1952!) with skip sheathing. Then an asphalt shingle re-roof over that (that makes 2 roofs in 60 years, thanks previous owners!). I have repairs and ...
106
votes
7answers
8k views

How to prevent heavy rainwater from jumping the gutter?

During heavy rain, the water collects from my second floor roof and runs onto the first floor roof as it should. The problem is that since all this water is now concentrated from the second floor ...
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0answers
74 views

Roof joists size and spacing

I am in process of building a 12'x16 lean to shed for a customer using (9) concrete peirs. 4x6 runners--16' long 2x6 floor joists 2x4 wall construction The roof slopes from the front to the back--16'...
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3answers
38 views

Should I add another gable vent to my attic?

I have a long house with a 3 sq foot gable vent on the east end. I have two 6 ft long roof vents in the middle and I want to know if I should install another gable vent at the west end to increase ...
1
vote
2answers
792 views

Bringing unused chimney down below roof line?

I'm in the middle of renovating a balloon-framed house from the 1890's. The house is currently gutted. It originally had a standing-seam metal roof that was penetrated by a central chimney. At some ...
2
votes
1answer
211 views

Should I insulate my attic with a hot or cold roof?

I'm turning my 3rd floor attic into a usable space. It's a hip roof, 25' x 23', with one dormer. We just had new asphalt singles put on it and it was about 12 foot of ridge vent on the dormer / peak....
2
votes
4answers
411 views

Leaking corrugated metal roof

I have a place that has a corrugated metal roof under a wood deck. It's a pretty large area, maybe 40' x 40'. When it rains, water leaks through some of the nails. The deck boards are not nailed ...
0
votes
1answer
52 views

Galvanized Gutters Required For Dormer With Rubber Roof?

I have a long dormer and currently there is no gutter, water just runs off and is starting to seep into my basement. I got an estimate to install gutters on the dormer and the contractor said that ...
3
votes
1answer
311 views

Getting R38 in roof with 2x8 rafters

I was planning to use foil faced 2" polyiso plus an air gap, plus 5 1/2 rock wool, to get 13+3+23, or r39. But this is all between the rafters below the roof deck, and the polyiso is impermeable. If ...
0
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1answer
111 views

Do I need Attic Fan in Garage?

My garage is about 20" x 24" and I have made attic in the Garage by adding plywood, insulation & sheet-rock, It is nicely done and as soon I finish this project, i realize, i do not any ...
3
votes
2answers
999 views

Insulating a post and beam construction roof/cathedral ceiling

My house (built 1972) has a cathedral ceiling with post-and-beam construction in the main room. The ceiling temperature can get as high as 90F, or even greater on a very hot sunny summer day, as ...
1
vote
3answers
276 views

How do I protect and insulate a ceiling built against the roof?

My upper floor used to be a large attic. Sometime in the past the entire space was converted to living space: 2 bedrooms, 2 finished closets, and two unfinished storage "closets". Much of the ...
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vote
2answers
279 views

Possibilities for shielding porch deck from rain

My porch is farmhouse style (low to ground, no railing), and fairly narrow. The (metal) roof is exactly as deep as the deck. One annoyance that I have is that when it rains, the water coming off the ...
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vote
2answers
176 views

Is it economically reasonable to cool the roof by water evaporation

I want to estimate the outcome before going into hassle of installing the sprinklers/mist emitters. I have a place on the last floor, you can call it an attic, directly under a flat roof which is ...
0
votes
1answer
88 views

Should I fill in 15-20 nail holes in my roof underlayment? If so, how?

I goofed right off the bat when installing shingles for my garden office roof. I forgot to trim the rake of the first shingle in the starter strip. The net result is that it wasn't aligned properly. ...
0
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1answer
172 views

question on the roof structure of my garage

This is a follow-up question on how to carry 20ft lumbers to home. Thanks for the advices and comments. I learned a lot. :) Because the question is now diviated from the original question, I made a ...
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1answer
2k views

When should I consider using Plastic Round Cap Roofing Nails?

I'm getting ready to shingle a roof for a shed/outdoor office and I'm confused on if/when I should use plastic round cap roofing nails: I haven't seen these used in any instructions (including the ...
0
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1answer
47 views

Cottage roof leaks

In a cottage that is unheated in the winter, snow sits on the eaves trough and when it melts it finds a way to seep into the cottage, run along the rafters and get leak into the living area. How can ...
1
vote
1answer
82 views

Should this roof be fixed now (shingles)?

My wife and I just bought a house, and it looks like the previous owners did a partial repair job on the roof. Shingles on the front of the house look OK, but the back not so much. I see some granules ...
1
vote
2answers
134 views

Should I fill in holes in a roof deck before installing underlayment?

I'm getting ready to install roofing shingles on an outdoor shed/office. The roof has a small/moderate incline. At the moment, the roof just has bare plywood on it. In several spots, I needed to ...
0
votes
1answer
904 views

Water seeping through stained concrete in slab foundation - during heavy rain only

I bought a house in north Dallas, about a year ago, the house was built in 2000 and it is a single story house. There were no problems reported or found during the inspection for the foundation or the ...
1
vote
0answers
79 views

Pitch on a patio roof

Recently I decided to re-roof my patio because it has been leaking in several places. That's when I noticed that my patio had very little rain run-off. My patio is 24' wide by 17' deep. The roof ...
1
vote
1answer
90 views

Conflict with roofer [closed]

I hired a local roofer to redo my roof. One of the items in the contract is to "INSTALL 7/16” OSB SHEATHING OVER EXISTING ROOF BOARDS." The roof boards are rough sawn 3/4 inch thick pine, with a 1/2 - ...
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votes
3answers
1k views

How to properly ventilate a Mansard Roof?

I recently purchased a home with a Mansard roof, I had some roofers come to give quotes to replace the top (it is finished) and they all recommend adding ventilation (known issue with Mansard's). ...
0
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2answers
135 views

Considerations for spray foam insulation with roof replacement possible in about 10 years

We have an old house in the Philadelphia area which we bought last year. This has a slate roof and we were told by our home inspector that we'd need to consider replacing it in 10 years. It is the ...
4
votes
3answers
1k views

Ok to roof-over in the rain?

A buddy and I will be installing a second layer of composite shingles over the old ones already on my roof. Should we consider doing any of this in the rain?
2
votes
2answers
118 views

Where to start with raised deck

I currently have a flat roof over my patio which looks really solid as it is an extension of a flat room from my living room. I want to have someone come out and verify the integrity of it along with ...