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.

Filter by
Sorted by
Tagged with
1
vote
1answer
17 views

Improve existing roof insulation from the inside

We have a pitched roof (1971 house, The Netherlands) which consists of (outside to inside): Tiles 2cm PUR insulation 2cm wood We asked a few companies for quotations to improve the insulation (...
0
votes
1answer
35 views

How to manage water runoff on flat roof of accessory dwelling unit

I am planning to build a new accessory dwelling unit (granny flat) in my backyard. I really like this design from https://node.eco/ However how do I manage the flat roof water run off? Is it just ...
0
votes
1answer
54 views

How to find what color my roofing is?

I'm looking to replace my roof and the company gave me a few color options. I can't tell right now what color my roof is or what color mostly matches. Is there a definite way to figure this out myself?...
1
vote
1answer
57 views

DIY Tubular Skylights for special application; seeking tubular skylights smaller than 10"

We would like to have several "tubular skylights" in the construction we are planning. These are skylights consisting of a circular opening in the roof with attached dome-shaped or circular window, ...
1
vote
2answers
77 views

Is it typical for a roofing contractor to inspect roof framing and quote repairs?

I just got an estimate for a new roof on my home for $23,000.00. The roofer did an inspection inside and stated that there was sapping on the wood beams at the highest point on the roof. He stated ...
0
votes
1answer
53 views

What do you think this roof construction is?

What roof construction is used to get the curved hips?
9
votes
3answers
4k views

Hail hit my roof. Do I need to replace it?

We had a hail storm last night. Some of the pebbles were about an inch in diameter, although most were smaller. I went up and took some pictures of part of the roof. Most of the shingles look ok, but ...
1
vote
1answer
47 views

Flat roof on garden office

We have recently had a garden building built in our garden by a bespoke company. However the roof has no gradient at all so we have standing water when it rains. Is this ok?
2
votes
0answers
20 views

What needs to be replaced for correct eaves / roof edge?

The last homeowner installed a patio roof - connecting support beams to the roof structure. It was a very flat roof -- that had lots of problems. I'd repaired it on multiple occasions - however, ...
1
vote
2answers
56 views

Running EMT conduit through soffit into attic

I am running a couple of new circuits to the bathroom which will involve running THHN wires through the emt conduit. The problem is that my panel is on the exterior wall and the conduit will need to ...
1
vote
1answer
67 views

How to fix an ineffective Extraction Fan setup in bathroom

I have an existing IXL (Heat, light and Fan) setup in a small bathroom (12.14 meters cubed). The air exchange rating of the fan meets the spec required for the room, it works and doesn't look that ...
0
votes
1answer
37 views

How to connect backyard cover to existing roof?

This is an image I found on the internet My roof in the backyard is very similar where it sloping down toward the yard. I want to make the cover like the photo. Few questions: From the photo, look ...
1
vote
3answers
34 views

Roofing choice for outdoor sandbox cover

I built an outdoor sandbox for the kids that's about 4' x 5' but haven't had the time to put a real roof on it yet. To keep the rain (and the poo of roaming cats) out, we have thus far been using a ...
0
votes
0answers
24 views

Moisture Control/Ventilation with Cathedral style Roof

I'm in New Zealand, I have recently bought a house with a Cathedral style roof, that in the morning gets a log of Condensation on the Windows etc. Once the day gets going, the house does catch the sun ...
1
vote
0answers
63 views

Patch a leaking flat roof

We have a flat roof (very low slope) made from gravel and tar, it's a little roof over the porch of the house. When it's raining, the water leaks under the soffit on the right corner, where is the ...
0
votes
2answers
51 views

Moving awning support column

I'm wondering if it would be possible to move this support column 1 meter to the left, so that it lines up with the start of the sliding doors instead of being in the middle of it. Would I need to add ...
0
votes
0answers
40 views

OSB3 (particle board) got wet during roofing - does it need to be replaced? [duplicate]

I'm putting up a large GRP flat roof. The builder has been AWOL for a while, and so the roof has been left with just OSB3 with no waterproof covering. It's been rained on for months and swelled to ...
1
vote
1answer
42 views

Is a porch temporarily roofed with just tar paper likely to be damaged by rain?

General Contractor has been hired to build a wrap around porch onto our house. He has most of the construction completed (decking, columns, soffits, etc) but still has not shingled the roof. It’s ...
1
vote
1answer
51 views

Pond Construction Calculator - have I left out any variables?

I am interested in building a pond near my home in Maine. Unfortunately, water supply is limited, so I was curious to see if it would be possible to maintain a pond without having to manually refill ...
0
votes
1answer
94 views

20 year old “Spongy” Roof - It was solid 5 years ago - Do I need new plywood?

My Question(s) - : Is spongy plywood on a 20 year old roof OK or does it need to be replaced? This plywood was solid 5 years ago. More background (edited based on comments): I was walking on my ...
0
votes
2answers
61 views

Upper roof downspout emptying onto lower roof

I have an upper roof downspout emptying onto a lower roof. the downspout exit sits near the side of the lower roof, and water falls off the side before continuing down to fall into the lower roof ...
0
votes
0answers
11 views

Is there any reference (or probably web/online calculator) to figure the size for downspout pipe for a known flow rate

The total flow rate of water collected by the gutter of my roof is known (50 L/minute). I need to figure the safe size for my downspout pipe for this roof. What's the minimum diameter for the ...
0
votes
2answers
60 views

Storm-chasing contractors and insurance claims

This is the year we planned to replace our roof. When we bought the house five years ago, the home inspector told us that it was coming up on being due, so it was the next big thing on our list after ...
2
votes
1answer
78 views

Rafter load capacity

I have a 1929 craftsman house with dimensional 2x4 rafters on 24" centers. They're about 13.5 ft long, spanning 11.5 ft each (measured horizontally, wall to ridge beam) at a 7:12 pitch. About 25% of ...
1
vote
0answers
39 views

How to Approach Fixing a Roof Leak When Drywall is Rotted Out?

My parents house has a leak in the roof that hasn't been takan care of for a few years and has pretty much destroyed the drywall in the affected region. What strategy should I use to repair the leak? ...
0
votes
2answers
53 views

Can I approximate flow rate of a roof with known flow rate of another roof?

My main building roof I need to know the flow rate (FR, for example Litre per minute) of water coming out from the gutter of this roof. The easiest way would be catching the flowing water coming out ...
2
votes
3answers
98 views

Making a ridge for a tile roof - Any cheap way?

I'm making a shed, with a roof made of cement tiles. I'm trying to be as cheap as possible, but still making it as nice as I can. Most materials are salvaged from here or there, or bought second-hand. ...
1
vote
2answers
569 views

My rubber roof has developed a leak. Can it be fixed?

Anyone out there who could give me some advice please? I've got a rubber roof and it has developed a leak. It is small, yet fairly centralised. Can it be repaired, or have I got to replace the whole ...
1
vote
1answer
37 views

Adding (small) load to existing rafters with 2x4

I am planning on installing a whole house fan (shown in the image below). The fan has a total system weight of 40 pounds and needs to be supported via metal and nylon straps to a beam as shown in the ...
0
votes
1answer
39 views

Fixing separated soffit?

We got a new roof last summer and I have recently noticed that our soffit has some gaps. The edge is a bigger gap and it extends about 10ft down the roof line until it is back to normal. I assume just ...
0
votes
0answers
27 views

Roof drains overflowing after torch-on roof

About 8 years ago we had our tar & gravel roof replaced by a torch-on system.Since then, and for a few years, after just about every rain resulted in a plugging of the drain apertures on the roof, ...
1
vote
1answer
64 views

Replace Attic Fan Without Going on the Roof

I'm attempting to replace the motor of my attic fan. I've disconnected everything else, but I noticed after I removed the nuts on the support bars that I can't pull the fan and motor through the ...
1
vote
1answer
78 views

Too much water…coming into my downspout

I live in a Townhouse...I'm second in of 4 Units...I'm at the second to highest level and then the unit beside me is higher again. I'm the only unit with a downspout in the backyard...we have ...
2
votes
0answers
44 views

Proper shingle placement in corner

I had my roof replaced about a month ago and recently noticed that when it rains, a strong stream of water pours from the roof onto an adjacent window in the corner. In this problem area, I have one ...
3
votes
1answer
29 views

How should location on roof be flashed or sealed?

During hurricane Florence we had significant water get into our house from the roof. There is a location in our roof (see pic) where from inside in the attic I am able to stick a toothbrush through ...
0
votes
2answers
29 views

What type of exhaust ventilation is best for attic?

We want to add exhaust ventilation to our attic (hip-style composition roof). Which type is most effective, passive or power?
0
votes
0answers
53 views

Can a bathroom fan go out a ridge vent, and how functional is this temporary fix?

I'm in a 1 story craftsman house and have a bathroom vent that had no ductwork, just pouring wet air into the attic. The vent also didn't work well to begin with so we never used it and thankfully ...
0
votes
0answers
44 views

What Type of Roof is This?

I'm trying to figure out what the name is for the roof structure my home has - it's a single level late 70s ranch, side-gabled, but the roof is broken up into multiple segments. Is there a name for a ...
1
vote
4answers
63 views

How can I waterproof this weak spot in my roof tile where pipe goes through it?

This copper pipe goes in between 2 roof tiles (cement/hard tiles). Water constantly leaks through when it rains. The water clings to the pipe and then drips onto the ceiling. As you can see from the ...
0
votes
2answers
102 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 ...
1
vote
2answers
95 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?
2
votes
2answers
71 views

Cape Cod Insulation/Snow Melt [closed]

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 ...
2
votes
2answers
37 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 ...
2
votes
1answer
138 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 ...
12
votes
1answer
4k 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 ...
1
vote
1answer
118 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 ...
1
vote
1answer
38 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?
0
votes
1answer
32 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 ...
0
votes
2answers
44 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 ...
1
vote
2answers
119 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.