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Questions tagged [roof]

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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60 views

How much stronger is a triangle-shaped vs. A-shaped truss? Max snow load comparison?

I'm on a property in which there is a garden shed and its roof collapsed yesterday because of heavier than normal snow that accumulated on it over the past few months and it looks like yesterday was ...
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2answers
80 views

What is this small strip of wood in front of fascia?

I am trying to figure out what this small strip of wood at the top of my fascia boards is called. Also, what type of wood would be good to use to replace it? Cedar?
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2answers
68 views

Cape Cod Insulation/Snow Melt [on hold]

Is the melting pattern on this roof a sign of really poor insulation in the knee walls? Thinking about purchasing, but I don't want to spend my life fighting a poorly designed/insulated house if it's ...
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2answers
34 views

Will a galvanized tin roof act as a ground for a magnetic rooftop antenna

I just installed a magnetic based antenna on my galvanized tin porch roof. Will the metal roof act as a ground for the antenna? I am unable to attach a ground block to the antenna cable, because the ...
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0answers
56 views

Pergola does not provide any protection from the weather [on hold]

I have recently had a pergola built which is attached to the existing roof. when it rains there is no protection at all and the house floods as the gutters overflow and come through the door. I have ...
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1answer
51 views

Can Vent Flashing Nails Be Exposed On The Roof?

I am buying a home and as part of the contract we asked for a number of fixes by a certified contractor. For this fix, securing the loose flashing, the home owner said his friend was a contractor so ...
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1answer
3k views

What is this large pipe coming out of my roof?

I've looked at the other "What pipe is this?" questions, and none of them that I've found seem to match... I don't know what the large metal pipe is (on the right side). Can anyone identify what it's ...
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1answer
115 views

Why are hanging icicles on my home yellow?

The icicles hanging on the front of my house are yellow on the tips. I also noticed a yellow line in the snow beneath the icicles. We moved into this home recently and I know they had the roof ...
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1answer
35 views

Q. Should I be able to push up shingles on edge of new roof?

Just had my roof replaced with architectural shingles. Should I be concerned that I can push up the portion of the shingles over hanging the roof edge by about an inch?
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1answer
31 views

Our top floor is finished/heated. How to prevent ice dams?

I'm in snowy Minneapolis, living in a 3-story house built in 1886. The top floor is fully-finished and heated, and there's no attic. We've been getting crazy ice dams this year, but not previous ...
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2answers
37 views

hot spot on new roof

I had a new roof put on last fall. I never noticed any hot spots on my roof until this winter. I had an inspection after the roof was put on and I was told my insulation looks okay. When they put ...
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2answers
47 views

Should felt paper overhang an eave drip edge?

I am replacing my roof shingles and I would like to know if there is a preferred dimension for roofing felt overhang on drip edges.
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2answers
65 views

Vaulting ceiling and removing ceiling joists without risking the integrity of my roof system?

I have a large space without walls and when I looked in the attic, it seems like there is a possibility to vault my ceiling. Checking if anyone here could help me to figure it out. What are my options ...
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1answer
31 views

Stalling roof turbines to improve air flow?

My landlord claims that roof turbine ventilators move more air when they do not spin—e.g. by stalling it using a piece of wire tied through the vent and the brace. His reasoning, roughly, is that when ...
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1answer
39 views

Roof Ridge Venting - When in 2012 did roof venting become required instead of standard roofing codes?

In what month of 2012 did roof ridge vents become code, as opposed to standard roofing when roof ridge venting was not a requirement? I ask because I need to present as evidence to the BBB (Better ...
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2answers
36 views

Diagnosing a leaky metal roof

We purchased a 60 year old house a year ago, and the builders report suggested no issues. The main roof of the house is tile over wooden rafters, and the attic space is dry. There is an extension, ...
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0answers
13 views

Adding Collar Ties as Chase in 1930 Tudor

I'm planning out how to insulate and finish my attic without compromising ventilation. I'm zone 7, with a large, entirely floored attic. Roof is hard slate, original to 1930-built home. No current ...
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1answer
20 views

Flashing and/or sealing for vent through built-up roof (BUR)?

I'm reconfiguring plumbing and need to poke a new vent through the roof of my Chicago two-flat. It's a built-up roof of tar, felt, etc., with a slight grade. How to finish the roof portion so that ...
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1answer
34 views

Rafter tie sizing

Just bought a house in Ohio and the rafter ties in the garage are in pretty bad shape. Looks like the previous owner store a lot of heavy items on them and they are sagging and bowed. The garage is ...
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1answer
27 views

Should I insulate a metal pipe roof vent to stop condensation?

I recently bought a home which was a renovation. I had a water leak from the ceiling in an upstairs room. Upon opening up the drywall, I noticed there was what appears to be a vent of some sort that ...
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0answers
29 views

Tile roof has water running under tiles

recent rains revealed a problem on our portico roof--instead of running into the gutters, the water drips down the column and in front of the gutters! So, I went up there and discovered puzzling ...
2
votes
2answers
104 views

Does this truss have two or three bearing points?

Part of my roof is made from studio trusses as shown in the picture. I'm trying to determine if any of the load from these trusses is borne by the highlighted wall. The wall is built with 2x6s, but ...
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1answer
34 views

How to measure 1/4" per 1' slope for rainwater drainage for a flat roof

During the last big rain here in AZ, I noticed a significant amount of ponding in the newly renovated areas of our roof. I first noticed the sitting water while it was still raining and about 2 days ...
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1answer
36 views

How to prevent water coming off non-gutter edge of roof?

On the side of our house that is perpendicular to the main roof ridge the roof (the ladders?) extends further by the ridge than it does down by the eaves. As a result, rain that hits close to the end ...
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1answer
40 views

Ceiling insulation question

I live in a 2 story city row house in Philadelphia that is over 100 years old with a flat roof. The space between the second floor ceiling and roof grades down from the front to back - 36 inches or ...
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1answer
30 views

powerwash cedar shake roof

I have a 13 year old cedar shake roof. I send someone from a roofing company twice a year to do maintenance and cleaning of the roof.That person has told me that some of the shakes have started to ...
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1answer
80 views

How to fix cracked roof joist?

I cut open my ceiling drywall to take a peek in my "attic" (about 20" of vertical space) before I go about having a skylight installed. I have a flat roof and I noticed one of the rafter/joists is ...
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2answers
70 views

What is the term for a gambrel roof with an extra angle on each side?

What is the this roof style? Can it even be done with timber! Its not Mansard or Gambrel. Though similar to Gambrel notice the extra pitch. Any pictures, design, sketches of where this has been ...
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1answer
41 views

Carport Roof - Ridge Beam/Board vs Gussets

I am building a 20' X 24' carport and was trying to decide if a ridge beam / board was necessary, or could i simply use gussets to connect the roof rafters. I'd like to avoid using a 24' beam if ...
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1answer
88 views

Split/broken rafters a concern?

I'm buying a home and had a building inspection yesterday. The only major defect the inspector found was two split/broken rafters inside the roof. Can anyone tell me if these are a major conern? ...
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1answer
36 views

Repair Leaking Roof/Chimney In Winter

I live in an 100 year old house in Michigan. I have suspicions that the flashing around my chimney is leaking as the plaster in the ceiling directly below the chimney & roof point is getting soft ...
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2answers
41 views

Flashing around chimney and gap

Have been investigating leak on my 3 season room. Not certain it is related to this finding but discovered flashing around my chimney in an interesting state. Big gap in corner and also the epoxy/...
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2answers
52 views

Removing Roof Caulking from Jeans After Roof Job?

I'm not exactly sure where to post this question. I've checked a bunch of places on Area 51, and many of the clothing specific StackExchangess have been closed. I figured that the people most ...
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1answer
60 views

Installing a Bath Fan Roof Vent Without Attic Access?

I'm interested in installing a bathroom extractor fan where there was a previously small regular fan, but there isn't an attic above the bathroom. The switch is already wired from the previous fan ...
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0answers
62 views

Applying bird spike strips to deter squirrels?

I have some squirrel that love running on top of my roof that I'm trying to get rid of. I am considering using bird spike strips to deter squirrels from getting on my roof. I was wondering if ...
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1answer
57 views

Very localized heat loss

I have a heat loss issue that is very localized to directly up from my septic vent pipe. There’s no heat loss anywhere else. What type of contractor should I be calling? Insulator (I’m thinking no ...
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1answer
32 views

Slate roof removal for a shingle roof

I am getting a new shingle roof to replace a slate roof. Would a new shingle roof need a different underlayment that the slate roof does not have?
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2answers
50 views

Ceiling water damage

Just wondering if there is an easy way to tell if water damage on the celing is a result of a roof leak, or condensation build up in the house. Here are some pictures: https://photos.app.goo.gl/...
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1answer
42 views

Finding Skylight Replacement Dome

My home was built in 1986, and the skylight acrylic dome looks ready to break any moment now. I want to replace the dome but I can't for the life of me find anywhere that sells them with the setup ...
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1answer
44 views

Is this masonry roofline intersection problematic? Should it be called out by our home inspector?

Our new house (brick and stone veneer) came with a significant exterior wall leak at a roofline/masonry intersection, so I've been learning more about how these are supposed to be waterproofed, and am ...
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1answer
49 views

How to reseal wiring coming through roof after adding an additional coax drop

My AC condenser unit is on the roof. The wiring and refrigerant lines run through a PVC pipe in the roof. That pipe is sealed with what looks like some sort of foam product: I would like to put a TV ...
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1answer
46 views

Reduce high humidity in attic

My attic has high humidity. I put a combo temp-humidity monitor and it was in the high 70s. It’s 30 degrees outside. I’ve read about what could cause the high humidity and two key things came up: ...
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1answer
50 views

Design Mansard Roof

I'm trying to design a Mansard Roof in the UK. Some timber data is given here that local building control allows: http://www.home-extension.co.uk/roof-rafters-span-tables.html As you can see for a ...
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0answers
34 views

Insulating townhouse's attic sidewall?

Last winter, I've had some issues with ice dams on my roof. I live in a townhouse in Southern Quebec, Canada, in the middle unit, where lately temperatures during the winter can go anywhere between -...
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2answers
79 views

How to install vent cap over cement pipe?

The picture attached is a cement vent pipe I found on the roof for water heater venting. Looks like the cap has been broken off, but I have no idea what was the original looks like. The diameter of ...
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0answers
78 views

What is this brown sticky stuff on my soffits?

I recently had my roof replaced and some brown patches started appearing under some of the new plywood. It appears to be dry to the touch, although there are some beads of similarly colored goo on the ...
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1answer
54 views

Proper way to install Torch Down

On the recommendation of a gutter installer I hired a roofer to install torch down over the front porch awning. The gutter installer pointed out that the person who did the awning didn't do it right ...
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1answer
41 views

How many times can new shingles be put over the existing roof?

How many times can new shingles be put over an existing roof? Two or three times?
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1answer
76 views

Why is this roof covered in pigeons? [closed]

I was out walking the other day and observed something strange with one house having a number of pigeons congregating on the roof. (This is not my home, so I have no insight into internal details.) A ...
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2answers
52 views

Can I ventilate attic space using wall vents?

As an alternative to use a timber trussed tiled roof vent that involves removing tiles, can I instead replace two or more bricks, some on each end of my house, with wall vents like this? Presumably ...