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Questions tagged [roofing]

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2
votes
0answers
45 views

Roof Replacement Done Wrong?

Id appreciate any opinions. Just had a new roof put on. Looks worse than the old. Please see the picture. 3 areas of concern. It was put on in cold weather so that may explain the shingles, but the ...
1
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1answer
44 views

Spray foam insulation against metal roofing

The context of this question is new construction for a small (28' x 32') outbuilding that will be used for commercial purposes. All work will be permitted and inspected (governed by these codes). I am ...
12
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8answers
11k views

Should plywood be missing on my roof?

I live in Canada and I just had my roof done on my house. I recently went in my attic and found out that some part of the roof is missing plywood :( In the following picture, there is no nails ...
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0answers
26 views

What's the best way to protect plastic drain waste vent pipes from UV damage on a roof?

What is the best way to protect plastic plumbing waste vents (DWV) where they extend above the roof? PVC discolors and gets brittle in the sun, solid ABS gets chalky, foam cellular core ABS bends ...
1
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1answer
22 views

Shingling detail for hip and ridge

Got a few nitpick questions about the finishing steps when shingling a hip roof and the hip ridges and main ridge. Worked beside a pro and he would shingle towards the hip-ridge and then came back ...
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0answers
38 views

How to fill in an incompletely filled in downspout on built up flat roof

I notice that water pools up over a mostly filled in downspout fairly often on my built up roof. The downspout goes maybe 3-4 inches deep before I hit a rough and very hard rubbery surface (I can't ...
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0answers
48 views

Should there be angled lines up my roof after new shingle installation?

Newly installed architectural shingles show a angled line from top to bottom every 3-4 feet. Is this normal?
2
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1answer
45 views

Where do you start when setting hip roof trusses?

I have a decent sized hip truss package coming. It's about a 60' wide by 30' deep building with 2' overhangs. Hip style with 4/12 slope. I have only helped before in setting trusses but never doing ...
2
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2answers
65 views

Roofing nails through 95 year old tongue/groove soffits

I just had my 95 year old house painted and re-roofed. Is this acceptable? I’ve read that the nails need to be so long- but this is crazy! My shingles aren’t 95 years old- and didn’t have this problem ...
0
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1answer
31 views

What type of paint and preparations would be appropriate for painting a mural on a rooftop?

My house has a modified bitumen membrane roof, at a very low pitch/nearly flat, which was repainted with aluminum asphalt paint a couple years ago. My friend is considering painting a mural on the ...
0
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2answers
40 views

Creating deck on top of single story flat roofed home

I have a rectangle home that measures 20' wide by 40' long with a giant chimney in the center that spans down through the kitchen and based in the basement. The chimney has a 3 sided fireplace on one ...
0
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1answer
26 views

Should I apply Underlayment over Grace Ice and Water Shield

I am about to reroof using Grace Ice and Water Shield for the first two courses, then a synthetic underlayment above. I was considering applying the synthetic underlayment over the Ice and Water as ...
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0answers
33 views

Air sealing vent baffles in cathedral ceiling

I am reroofing my house. I am taking the opportunity to pull up the decking above the cathedral ceiling and adding air baffles to help cool the roof and reduce ice dams. In order to accomplish this, ...
0
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2answers
74 views

Roof truss repair

Cut trusses. I’m having some remodeling done and the contractor found roof trusses that were cut before I purchased the house in order to install an air handler. He is going to send it to his ...
1
vote
1answer
43 views

Pros and Cons of sealing a flat roof with liquid rubber product

We have an extension on our 1950s house which looks like it was put in very early on, and it extends a single bedroom out into a master bedroom size room. This extension has a pretty flat (it has a ...
1
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1answer
30 views

Fixing Roof Sheathing Lacking Spacing

I just started pulling up shingles to reroof a 1989 house only to discover the plywood sheathing was installed without gaps. As a result, there is a lot of 1/4 inch buckling, especially on the ...
3
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1answer
55 views

Is it a problem that I see daylight through my shed's soffit?

First and foremost - please excuse my ignorance and improper use of terminology. I have a free standing garage with a mono-pitched / shed style roof: The garage is unfinished inside and I noticed ...
0
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0answers
30 views

Roofing question: main stack sealing

Main stack is 3" ABS inside the house replacing the original cast iron. At the top, the cast iron going through the roof was left in place for convenience and the ABS was run through it. The roof at ...
0
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0answers
44 views

Cutting and dimensioning Furring Strips

Great explanation on the flat roof sloping. The question I have is if my roof is 6 x 7.5 m and the main slope goes 90 degrees across the joists (that is, the joists are across the narrow part of the ...
1
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1answer
55 views

Can I replace just part of a 1x6 roof deck with OSB?

Redoing Roof, Roof Decking is 1x6 inch planks, and some OSB so the sheathing is mixed materials. Is it ok to replace the lower half of the roof with 3/4 or 1/2 inch plywood and keep the top half ...
0
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0answers
20 views

Roof DWV vent: minimum distance from parapet?

I need to poke a hole in my flat roof (sloped, built-up roof of tar and felt) to accommodate a new vent. The vent will be 2" PVC. Is there a minimum distance from the exterior brick wall to place ...
1
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1answer
23 views

How to correctly remove a dry verge piece

I've recently had a linear dry verge fitted over my garage, its a Manthorpe Linear Dry Verge. The guttering on one side was removed whilst this work was being undertaken as I was in the process of ...
2
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1answer
23 views

EPDM Rubber Bond Roof in multple pieces

I've just had a garage roof laid with EPDM rubber bond. I expected this to come in multiple pieces, but the roofer has used 4 pieces. 2 long strips on either side, then 2 half-length strips to fill-in ...
0
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1answer
66 views

Roof patch, how long will it last?

We've had this since we bought the house. Underneath in the attic it looks as if part of that roof collapsed (probably a foot went throught). Then someone patched it up in a crappy way. I have no ...
0
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1answer
60 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?...
0
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1answer
59 views

What do you think this roof construction is?

What roof construction is used to get the curved hips?
0
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1answer
43 views

what is the proper way to re-roof a home with exposed wood decking all around it ,so that nails will not protrudethrough the decking?

What is the proper way to re-roof a home with exposed wood decking all around it, so that nails will not protrude through the decking?
1
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1answer
48 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?
0
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1answer
156 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
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1answer
46 views

Roof Vent Installed Incorrectly

We have a torch down roof with no crawl space and a contractor installed a vent in roof that now vents air from inside house out the roof. MY living room has two 8 inch holes venting out. what is best ...
0
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1answer
60 views

Ridgecap shingles

I live in Northern California. My roof is 8 years old and was intalled by a licensed contractor and has never leaked. However, a roof inspector says my roof is not up to current building standards ...
0
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1answer
25 views

How to fix roof shingles that has paint splattered on them?

Our painter got paint on our roof shingles when he was spraying our chimney. The paint is splattered across a 3’ x 3’ area. It is visible from street level. What is the easiest way to fix this? (...
1
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2answers
571 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
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1answer
107 views

When is it necessary to paint a wooden fascia (barge) board?

Context: a Florida roof and gutter is to be replaced, however the fascia wood was rotten and replaced. The plan is to be covered by aluminum fascia and has a drip edge. When does it make sense to ...
2
votes
3answers
214 views

Stainless steel nails for roof?

Stainless steel nails for roofing is ~$1K premium. Assume that the commercial roof (self-storage building, with sloping roof) is on a Florida island, but not on the beach. What questions do I need ...
0
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0answers
29 views

Roof gable transition

The house I currently stay in has sunlight shining through from below at this point. I would like to know the flashing detail that a professional roofer might employ.
0
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1answer
118 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 ...
1
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2answers
170 views

How to prevent water coming off the edge of a roof with no gutter?

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 ...
1
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1answer
49 views

What is this type of roof covering called

So, I built the framing for this structure some years ago not knowing exactly what it's called. Can anyone elaborate?
0
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2answers
81 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 ...
2
votes
1answer
73 views

Can new sheathing be laid over my original roof decking?

I have a 1960 ranch home and will be having my roof replaced in the near future. I currently have old space decking and the roofing company said that they need to put sheathing down. Is this ...
0
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1answer
31 views

i have a leak low sloping porch roof near incline over house

I have a leak. I think it’s leaking where the low sloping porch roof meets the small incline to my back windows. The nails popped out and i got a leak. I fixed it temporarily with some wet patch. It ...
0
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1answer
97 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 ...
1
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1answer
57 views

Issues with roofing in cold weather?

I've got a crew of workers at my house putting on a new roof, in 25 degree weather. The contractor said it wouldn't be a problem, although part of me wonders if he just didn't want his crew sitting ...
1
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4answers
98 views

Fixing the slope of a flat roof

I consider myself pretty handy, but when it comes to roofing I have very little experience. I have re-shingled a couple of roof's but that's it. My home is a 1915 victorian home built with a roof ...
4
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3answers
886 views

Is it necessary to use ceiling joists (ties) with conventional rafters?

I am going to be putting up an outbuilding with rafters. Is it necessary to use a ceiling joist with conventional rafters? This picture shows that I need one (https://www.carpentry-pro-framer.com/...
0
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1answer
626 views

Is it ok for vent pipe flashing/boots to have exposed nails?

I bought one of these Ultimate Pipe Flashings vent boot flashing units which come with these nail slots to secure the unit. Part of their instructions is to only fasten with nails within the slots ...
1
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1answer
1k views

Roofing nails protruding in attic dripping with condensation

After a re-roofing job there are hundreds of nail points sticking out in the attic. I use some of the attic space for storage so when standing up in there I get poked in the head, but also in freezing ...
2
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2answers
121 views

Roofing shingle replacement: Hand nailing vs nail-gun [closed]

I live in the North East. Architectural asphalt shingles (whatever those are) need replacement or might last 4 more years depending on who I talk to. One roofer tells me hand nailing is what he does....

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