Questions tagged [flashing]

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36 views

Does a Skylight need to be installed with the dedicated flashing system

I'm looking at this product for a garden office roof but I could not find the corresponding flashing kit for the roof material I was planning to use, which is this: The closest type of flashing I ...
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0answers
7 views

Metal flashing for covered porch wall cap (other options) - some exposure to 8 months of rain

I have a covered porch with two structural columns embedded in the guard wall. They have welded metal flanged which even if not already embedded in finishings (cedar soffit / guard wall) would not ...
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26 views

How to repair render above lead flashing

My property has a flat roof extension which joins the original house. In a few spots the render is badly damaged just above the lead flashing. It looks like the sealant in the photo was applied, ...
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1answer
39 views

Should an exterior surface-mounted outlet box on wood lap siding be flashed?

I'm adding an outlet box to the wall over my deck by drilling a penetration through the wall just to feed the cable through. Will air seal with expanding foam and caulk and feed into a surface mounted ...
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1answer
70 views

Should my dormer flashing look like this?

I was up on my roof investigating how bats are getting in, when I observed the following: There are no leaks... yet. Due to presence of yellowjackets, I didn't take a long look, but it appears that ...
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1answer
25 views

Flashing EPDM roofing up a short arched vertical portion?

I have an old concrete garage roof that is leaking. I plan to attach a layer of pressure treated wood then glue an EPDM sheet to the surface. I understand how to install a drip edge on the sides ...
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1answer
75 views

Do I need to install flashing for this replacement window?

I am replacing an old vinyl window. The previous window had a separate storm window on the outside (which I removed). Now there is wood exposed to the elements. I live in Minnesota where it's hot and ...
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1answer
34 views

How to remove or de-solder old flashing

I'd like to remove some old copper flashing to repair the rotting wood beneath it. My plan was to de-solder the old flashing joint (I'd like to reuse the flashing when done). So I bought a used ...
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1answer
166 views

Properly flashing ledger board for pergola or overhanging patio roof

I am wanting to build a roof over our west facing patio to help with the heat of the day. I was thinking either a pergola type structure with a roof on it, or just an overhang. The structure will ...
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1answer
36 views

What is the optimal method of dealing with leaking brick veneer?

My home is brick veneer (one layer). Interior is all drywall, mostly put up by the people who sold me the house 4 years ago (it was a flip). We're in Tampa, so we get a lot of rain, but the only time ...
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1answer
65 views

How do I stop an LED Troffer flickering problem?

I am replacing 30 fluorescent troffer fixtures in my building with LED fixtures: Lithonia Lighting GTL Series Recessed Troffer LED. These fixtures have led strips, no bulbs. Using a standard switch, ...
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0answers
28 views

Roof Flashing inside corner

I'm building a structure and putting a roof on it. The roof is single slope 3x12 pitch. Basically it's rectangle platform except where in the middle of the lower edge the roof extends 2 more feet so ...
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3answers
495 views

Sealing metal siding against window j/c channel?

We're going to use metal siding on our house. We're using a corrugated profile. Where the siding meets walls/corners/windows, it will run into a strip of C-channel (or J-channel). Visually, that looks ...
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0answers
231 views

Was my home's dormer flashing installed incorrectly?

I've lived in this home for two years now. Roof is probably at least 10-15 years old, perhaps 20 years. We started noticing some water stains on the ceiling soon after moving in. On a closer look, it ...
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1answer
151 views

Replacing rotted out window sill in basement block wall

Long story short - the previous owner hired a crackhead to pave over the dirt driveway. The guy ended up raising the grade beyond the basement window sills on one corner of the house, and here's what ...
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22 views

replacement window flashing

We had replacement windows installed several years ago; they have no exterior nailing flanges but were installed via screws on the sides. Now we are ready to replace the aging cedar siding with James ...
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0answers
76 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 ...
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0answers
513 views

How to install PVC J-Channel Brickmould?

I'm looking to install this Brickmould with J-Channel when I reside my garage. I've looked at a number of manufacturer install guides and they either skip over brickmoulding or do not address this ...
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1answer
31 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 ...
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1answer
1k 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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19 views

Failed sliding glass door flashing tape

Installed a new sliding glass door recently, and the flashing tape I used: Nashua Tape adhered at first but completely failed within a day or so and is now flapping in the breeze. How should I go ...
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1answer
91 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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38 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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0answers
23 views

LED flashing on Hot start

I have kitchen lights using 12v 5w leds (GU 5.3). There is a 30w 12v led power supply. When switching off, then back on, the lights flash. Any ideas please. There are 2 sets in the room, they both do ...
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2answers
602 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
337 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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1answer
1k 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
72 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
557 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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0answers
437 views

Why is this dormer flashing causing a leak?

This roof was repaired about 6 years ago and is now slowly leaking when there is a heavy downpour. The leak is located close to the center point in between the outer wall and the dormer. It is ...
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0answers
170 views

How to fix a flashing roof leak?

I have a roof leak. Based on the images below I think it is in the flashing above a small overhang. Please speak up if you don't think that's correct. Can anyone provide some guidance on what to ...
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1answer
79 views
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136 views

Should I be concerned about this rust on the roof flashing

That top part is where I tried rustoleum rust converter after sanding it down a little. Is there anything I can do. Should I even worry? That rustoleum converter was 2 years ago and I did just that ...
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1answer
430 views

Repair roof flashing

I’m not sure what material my roof flashing is except that it is a metal. It started out a whitish or silver color and over the last 10 years has slowly rusted until I’ve finally noticed it. Shame on ...
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0answers
35 views

12" custom flashing for roof?

We have a section of our garage that sticks out about 12" from the rest of the house and is flat on top- you can see it in the orange section in this photo. The green and blue sections are a boral ...
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2answers
457 views

What's the best way to flash this difficult corner above a roof in stucco?

How should I flash this tricky corner: This is at the junction of a 2 story section and 1 story lower flat roof, done in foam. The flashing was installed about 20 years ago, the wall below rotted ...
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1answer
1k views

Is it worth it to replace T1-11 siding just to install house wrap?

I'm having some siding repairs done by contractors. When they took the siding sheet out, they found out that my house has no house wrap between the frame/wood and the T1-11 siding sheet. There was ...
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0answers
104 views

(UK) LED lights flash once after being switched off

I had a nice kitchen light fitting with 5x 20watt halogen bulbs (G4), and the transformer blew. I thought that now would be a great time to upgrade the transformer/fitting to support LED lighting. I ...
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0answers
127 views

How to install step flashing on vertical side wall such that roof can be replaced later?

I have a vertical wall along the edge of a roof. The intersection is like the side wall of a dormer. Having both a new roof and vinyl siding installed. My perception is that the Tyvek wrap would ...
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1answer
448 views

Did I install this roof vent correctly?

I’m installing a roof vent to exhaust a new kitchen cooktop. I put a 6” hole in my roof and fit this painted metal vent between the asphalt shingles. I have sealed around the roof penetration l, under ...
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1answer
118 views

How do I get under shingles to replace the roof edge flashing?

I am rebuilding an eave on my house and have gotten to the part where I need to figure out how to install the flashing. The eave goes around a corner and the flashing covers a 4" space between the ...
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1answer
226 views

How to flash a window when using insulating boards with air barrier included?

We are going to re-insulate and re-side our 1947 home with new Roxul ComfortBatt, IsoClad 2 1/4" foam boards and some basic kaycan vinyl siding. I have been looking at how to flash a window and have ...
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3answers
495 views

Missing Step & Kickout Flashing / Sinking Front Step (?)

What's the least intrusive way to install flashing where my roof intersects with a wall? Do I need to tear up a bunch of shingles or can simply attach the flashing with something on top of some roof ...
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2answers
3k views

proper way to run conduit on top of siding

I'm looking at running a new main line to upgrade my electrical service to 200 AMP and using some 2" metal conduit run horizontally for 12' on a sided house. What's the proper way to do it? This ...
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0answers
3k views

How do I attach a roof ledger to an exterior wall?

I have a Trex deck and perimeter railing, similar to this web photo. I have a wood clapboard siding. I want to build a roof (like the photo), install support columns and create a three season screened ...
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0answers
201 views

Melting snow on the deck leaked into the house. Is my deck flashing incorrect or insufficient?

Last fall I had a small deck built to replace three masonry stoops that were falling apart. The sheathing behind the stoops was not flashed and was rotting. The contractor did a good job as far as I ...
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1answer
1k views

How do I seal overlapping sections of flashing around the perimeter of my house?

I have a wall profile that looks similar to this: but where the flashing is shown, the horizontal distance is much larger. The structural engineer I contacted said that my house should have been ...
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0answers
2k views

Bathroom exhaust fan through clay tile roof

I've installed an exhaust fan in an upstairs bathroom and need to vent it through the clay tile roof. (pic attached) The standard 4" pipe jacks and flashings I'm finding at Home Depot don't seem to ...
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2answers
248 views

Repairing improperly installed flashing

I am in the process of buying a house that has a roof with improperly installed flashing: As you can see from the image, the flashing was installed on top of the shingles instead of underneath them. ...
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1answer
1k views

How should I protect wooden trim that abuts a brick chimney from further water damage?

We are repairing and painting all of the wooden trim on our (new-to-us) 1930's home. We have a brick chimney on the gable end of the house, approximately 6 feet down from the ridge. The roof is a ...