Questions tagged [roofing]

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1answer
25 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 ...
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2answers
33 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 ...
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1answer
13 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
27 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, ...
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2answers
56 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 ...
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1answer
39 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 ...
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1answer
27 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 ...
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1answer
44 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 ...
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0answers
28 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 ...
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0answers
34 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 ...
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1answer
35 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 ...
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0answers
7 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 ...
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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 ...
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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 ...
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1answer
40 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 ...
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1answer
58 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?...
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1answer
56 views

What do you think this roof construction is?

What roof construction is used to get the curved hips?
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1answer
41 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?
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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?
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1answer
101 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 ...
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1answer
39 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 ...
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1answer
52 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 ...
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1answer
24 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? (...
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2answers
570 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 ...
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1answer
102 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 ...
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3answers
121 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 ...
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0answers
25 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.
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1answer
91 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
90 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
47 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?
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2answers
76 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
71 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 ...
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1answer
28 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 ...
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1answer
81 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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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 ...
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4answers
83 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 ...
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3answers
565 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/...
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1answer
457 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 ...
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1answer
653 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 ...
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2answers
112 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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1answer
235 views

How should I seal exposed nails on the roof of an addition?

We recently added a gable portico / overhang at our front door as part of a renovation. We used the same architectural shingles as the rest of the roof to make it seamless. However when the guys did ...
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0answers
61 views

Building Rafters for OutBuilding

I am going to be constructing an outbuilding for livestock. It will be 32 ft. x 32 ft. I plan to use rafters instead of trusses. Is it OK to use 2x6's with 48 in. OC for the rafters at a 3/12 pitch? I ...
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1answer
65 views

What kind of roof flashing is this and is it up to code?

This is in NJ. Roof was recently done and I've never seen this anywhere else. Looks like aluminum screwed in on both sides and the front. It's a very steep pitch. Either 10/12 or 12/12. Any idea what ...
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3answers
203 views

How do I flash two joining peaks of different heights?

I'm trying to figure out how to flash this part of a shed I'm building that has a peak meeting flush with a larger roof section next to it. But I can't figure out what this sort of roof section is ...
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2answers
51 views

Baaaad roof! Best option to fix

My mother's roof has been leaking for over 3 years now. Ceilings falling in in some rooms and leaks in most. She paid someone to put the roof on and he brought the all metal, put on 10 feet of roof ...
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2answers
216 views

Underlayment for a roof valley? should I put underlayment?

Should I put underlayment on the entire valley and then put the ice/water shield over it? Should I put the ice/water shield directly onto the wood of the osb valley then staple the underlayment ...
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0answers
45 views

New roofing job has split the tongue and groove boards that shingles are nailed to — should I be worried?

Our 1956 ranch style has tongue and groove boards on the roof that the new shingles are nailed to. We did not notice ANY splitting on these boards with the old roof. Now they are absolutely riddled ...
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0answers
140 views

How to redirect water pooling behind skylights

I have a pair of skylights in my roof that leak every time it rains. I've tried silicone and a roofing sealant along the edges.. still leaks. During the last storm heavy rain I went up to check it out ...
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2answers
754 views

What is the gap called between exterior wall and roofing?

I am trying to search but not even sure what this anatomy called, and what I am referring to is this horizontal gap where the exterior wall meets the roof. I saw that some houses have thin horizontal ...
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2answers
942 views

How can I conceal the underside of roof sheathing with protruding roofing nails?

I just had a new roof done and as you can see, they used long nails which protruded through the plywood and splintered the wood. I cannot afford to have someone scrape and paint the whole underside of ...