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.

learn more… | top users | synonyms

0
votes
0answers
12 views

Support Upright Posts on a Floating Slab

We are wanting to use a structural ridge beam to put a new roof on our house. I have been talking with an engineer who said that we need to determine how big the footer is under our slab. However, ...
2
votes
3answers
77 views

Insulation options for narrow ceiling space

I've got a flat roof ( wooden, sealed with tar and then roofing iron on top of that ) with a 30 cm gap between the ceiling. Not really enough for someone to crawl in unless skinny. There's no ...
3
votes
0answers
52 views

Should my chimney sit on my roof?

I am renting a house built in the 1940s. The mortar around the brick was cracked causing leaks. Someone had built a chimney around the outside of the original chimney. So outside it's twice the size ...
0
votes
0answers
21 views

How to stop this small roof from leaking?

We have water stains in the ceiling drywall underneath this small section of roof. I suspect it's due to the loose metal that's on top of the shingles. The fasteners on the top of the metal are ...
1
vote
1answer
52 views

How to flash a roof valley on parallel roofs

I'm redoing my entire roof (roof deck included). The previous owner built a carport parallel to the house. The carport is a permanent structure with a normal roof - trusses and whatnot of equal ...
1
vote
4answers
59 views

Should I use a Ridge/Soffit vent or Attic Fan?

I am getting ready to redo the roof on our house (shingles and some sheathing) and I am wondering what kind of venting I should add to the roof. The roof currently is not vented at all and as a result ...
0
votes
1answer
28 views

Installing roof truss diagonal bracing: splice plate where braces cross?

I'm looking at installing diagonal bracing to my roof trusses as described on page 77 of the document at http://www.dwbgroup.co.uk/files/8013/5284/7141/Gang_Nail_Trussed_Rafter_Manual.pdf but am ...
0
votes
0answers
37 views

Patio cover advice

I plan to build a patio cover sometime soon. It will be my first large project with lumber. I am primarily a model maker and am looking to expand my skills and expertise. When I moved into the house, ...
2
votes
2answers
177 views

Ways to Safely Repair 45 Degree Pitched Roof without Jacks?

What methods can a person use to safely repair a roof that is slanted at a 45 degree (or greater) angle without using Roof Jacks? Is there anyway it is possible for a person to safely walk on such a ...
0
votes
2answers
47 views

Best/Most Affordable Material to use for Long Rafter

I am getting ready to put a new roof on our house (changing the structure and all) and I am wondering what the best and most affordable kind of lumber or material is for the job. I need to span a 26' ...
1
vote
2answers
58 views

How do I stress test a roof for leaks?

I am about to have some ceiling work done on my house that has previously had roof leaks. I would like to be sure that the repairs to the roof are successful. How would I go about stress testing the ...
1
vote
0answers
56 views

Ideas/Advice for my Roof Rebuild

I need some advice about drawing up blueprints for a new roof on our house. Thanks to some shoddy workmanship on an addition before we bought the house we need to completely remove the existing roof ...
4
votes
3answers
98 views

How do I fix this missing soffit?

After this past harsh winter I noticed this spot on our house where it looks like some soffit panels had fallen out. Honestly, I'm not sure what was in the space prior; I never found any panels on ...
0
votes
0answers
16 views

Can a “tired” tarboard roof be updated without replacing it altogether?

I have a cheaply built wooden cottage in an arid climate with occasional rain during the winter. The roof consists of planks with tarboard nailed on top. The planks appear to be in poor condition ...
0
votes
1answer
64 views

How far apart should I space rafters for a 13ft patio?

I'm looking to build a patio roof (shed style) and need to span 13ft. I've found several span tables online, some of them with different maximum distances between the rafters. Is it ok to use 2x8s ...
1
vote
1answer
48 views

How can I add more insulation to this roof?

We've recently leased an office in a tropical climate and I am trying to figure out the best way to increase the insulation in the building. So far I've researched: spray insulation (options are ...
0
votes
1answer
60 views

What are the advantages and disadvantages of elastomeric coatings versus shingles?

I'm ready to reroof my house and want to consider an elastomeric coating rather than replacing the existing shingles. I'd use a local contractor either way
0
votes
0answers
24 views

Owens Corning Duration vs. GAF Timberline

Is anyone familiar with the Owens Corning Duration (Driftwood) and GAF Timberline HD roofs (Weathered Wood). They are similar in color but one has more variance of color (OC) and don't know how it ...
0
votes
1answer
93 views

Is it code-compliant to attach a patio to the roof like this?

I want to attach a patio cover to my house. Trouble is the clearance between the window and the roof rafters is too small for a ledger. I was considering the option of attaching to the roof top like ...
1
vote
1answer
57 views

Who do I call, roofer or plumber?

Last fall, I noticed my first floor kitchen had a leak that dripped down through the lighting fixture. This happened during a pretty strong rainfall. There is a bathroom above it but it had not been ...
3
votes
1answer
90 views

Why is there tar leaking into my attic?

I was doing my own home inspection today to keep up on maintenance, and I found something pretty unusual in the attic. On one of the boards in the roof a tar-like substance is leaking through the ...
1
vote
2answers
252 views

How to attach ledger board to under-roof siding?

I want to attach a ledger board, over the existing wood siding. Something similar to this, but immediately underneath the roof How do I determine where I need to drill the holes to attach it to ...
0
votes
0answers
60 views

How can we be sure the hooks for a porch swing go into joists in our covered roof?

We want to install a drainage roof over our existing patio and hang a porch swing from it. What is best, to hang the swing's I-hooks first or put the roof on first? Our patio is underneath our ...
2
votes
1answer
73 views

What should I do about shingles that are stuck to the sheathing?

I'm so pleased to find this diy.stackexchange. I'm in the middle of replacing a small roof above an entry-way. It is an area of about 100 square feet (9.3 square meters). The top layer of shingles ...
1
vote
1answer
67 views

What's the true longevity of exposed fastener metal roofs?

I want to replace my roof. Exposed-fastener metal roofs are popular and common where I live, but nobody nearby has owned one long enough to really comment on the longevity. I worry that over time, the ...
0
votes
0answers
31 views

How can I reduce the amount of dirt in my attic without affecting its ventilation?

Our house is a 1930's suburban build on the outskirts of London, UK. It has its original roof complete with massive gaps between the roof tiles and no felt. While this does provide great roof ...
1
vote
1answer
68 views

Is it ok to re-slope one of my gutters to another gutter?

Right now, on one side of my roof, I have two gutters that come together at an inside corner. Each gutter goes to the edge of the house with a downspout, which would mean that the inside corner is the ...
0
votes
3answers
145 views

Why should I repair/replace roof just because it's old?

My roof is old. Shingles are worn down, some are torn, and there are some nails coming through some shingles. I'm being told by some contractors there for other reasons that my roof needs immediate ...
0
votes
0answers
74 views

Dormers with ridge vents lower than main ridgeline

My roof contractor placed ridge vents on all peaks on my home, including the dormers. So, I have the main attic space, which is vented by a ridge vent running the entire length. I have plenty of ...
2
votes
3answers
99 views

Leaking flat roof

We have a "flat roof" (actually a very slight pitch) which is made from lead with folded seams. It is rectangular, with a slight slope toward one long side where there is a gutter with a downspout at ...
0
votes
1answer
65 views

Help translate terminology relating to flat roof construction

I just bought a house which had an extension done 12 years ago. I am about to do some work in this area and want to understand what has been done before. Below is a screen shot of the bits of the ...
3
votes
1answer
52 views

Which kind of roof coating to use to treat low pitch mod bit roof?

My city row house is 100+ years old and has a low pitch modified bitumen roof. It looks like a one piece asphalt or tar sheet covering of the roof. I bought the house 7 years ago and never had it ...
0
votes
2answers
133 views

Proper method to send wiring through the roof?

I'm planning on a security camera install. All of the connections will start from the 2nd floor and go to some cameras on exterior at the ground level. The 1st floor has a roofed deck that extends out ...
1
vote
1answer
96 views

Roof Flashing to Brick Wall: Leaks

I have an addition that is attatched to a brick exterior wall, and it appears that the copper counterflashing has come loose from the roof, and is now causing a leak inside the addition. Is it ...
1
vote
1answer
223 views

Can you extend rake edge on existing gable?

I have a barn on my property with a decent roof - (shingles look good and may have another 5-8 years on them). The rake edge on the gable, however, is perfectly flush with the sides of the barn, NO ...
4
votes
5answers
200 views

removing snow from roof

How do I remove snow from my roof? How about 4" of snow covered with 1/2" of ice? How do I know when I should risk getting out there to try to remove it? We just received a notice from The New York ...
0
votes
1answer
244 views

Attic Venting of Knee Wall in Cape Cod

I have a cape cod style home, pictured below. The second story living space on the back side of the home is created by having a lower pitched roof. So, the front and back sides of the roof have ...
1
vote
1answer
213 views

Can you remove a tin roof and install insulation and re-attach the tin roof?

Hello from Hobart Tasmania. I have purchased 1930's weatherboard cottage with a tin roof. The roof is insulated in the main part of the house (i.e., in the attic) but the additions on the house are ...
0
votes
0answers
58 views

Leaking roof/ceiling

We had a new roof put onto our kitchen extension because water marks were appearing on the ceiling. For a year, this seemed to stop any further water coming through. in the past week or so more ...
0
votes
1answer
71 views

From metal roof to composite shingles, mold and water issues?

So we had our roof replaced in 2007 from a ribbed metal roof to a comp roof. We also live in Washington State in a gambrel roofed home with no duct work and about a 4' by 12' attic. During the tear ...
1
vote
1answer
79 views

Exhaust fan leaking from elbow joint connected to the ceiling

I have a metal elbow joint that is leaking. It is connected to an exhaust fan in the bathroom and runs to the roof. What can I wrap the elbow with to stop the leak?
0
votes
1answer
65 views

something similar to zip ties? (heavy duty)

I have a dog kennel and framed roof with a tarp. Traditional bungee straps for the tarp have too much give and stretch out over time. Additionally, any snow load causes the tarp to deform and dump ...
0
votes
2answers
257 views

What can I use as dog kennel roofing?

I have a 10' x 10' chain link kennel (standard round tube). I'm looking at roofing options, and all of the kennel covers that I've found so far are tarps. I have concerns over the durability and snow ...
0
votes
0answers
68 views

Can a false ceiling improve insulation?

My new house has a very small kitchen which is actually an extension of the house with its own roof. I suspect its roof insulation is old and not effective, because this kitchen is quite cold (12 ...
1
vote
2answers
181 views

How to create a conditioned attic?

My attic has reached the point of no return with storage. I must use it for that purpose. So now I have to find a way to insulate the attic's roof. For this DIY handyman dad, does anyone know of a ...
2
votes
0answers
37 views

How to protect exterior galvanized flashing?

With ships, they'll bolt zinc blocks on, can I "re-galvanize" metal? I ask as I have some flashing that was likely installed in 1938. It was galvanized and is in reasonably good shape. But replacing ...
2
votes
1answer
176 views

Covering roof vents to keep out roof rats

I have around 20 vents on my roof and I currently do not have a roof rat problem but I want to cover them with something to prevent roof rats getting into the attic. I'm sure I can find something at ...
7
votes
2answers
620 views

Do I need to add roof vents if I close off a small attic space in the garage?

I have a small section of roof over the front of my garage, which I would like to insulate and drywall (making my garage fully insulated). It is 39" high, and 54" by 17', framed with 2x4 trusses, ...
1
vote
1answer
133 views

Gable and Roof Vents Together?

I need to add some additional exhaust venting to my attics, along with some along the soffit as well. I need some knowledge on a few things as I can't seem to find answers for them on the interwebs: ...
1
vote
0answers
100 views

Is this the correct way to vent my roof?

We recently bought a 1950s vintage house with no soffits, i.e. no roof overhang. Thus there are no soffit vents in my attic, only a ridge vent and 2 gable vents, one with a powered fan. However, those ...