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Questions tagged [waterproofing]

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Sump pump backups - city water/pressure system. Do you have one of these?

I'm researching backup sump pumps for my existing sump (a 3.5 year old Zoeller that's been working great). I'm considering the city water pressure system as opposed to the common battery backup, and ...
artee80's user avatar
0 votes
0 answers
28 views

Water roof leak

Wondering If should bypass spreader to lower gutter
Wayne's user avatar
  • 1
0 votes
1 answer
95 views

How to Connect FCM (Female) to NPT (Female)?

I am working on a DIY Home Improvement Project in the kitchen, and I want to connect an Ice Maker Water Line with a 1/4 inch FCM (Female Compression) connector to a Solenoid Valve with a 1/4 inch NPT (...
Cody Kentucky's user avatar
0 votes
2 answers
452 views

Protecting a separating wall from concrete floor and CMU blocks

I am rebuilding a (non-structural) separating wall. The wall will be attached to the (old) concrete floor and CMU block walls. Previous users have suggested using sill wrap between the boards and the ...
negacao's user avatar
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0 answers
31 views

Leaking Doorframe

Just bought a home, rental, and tenant recently sent me video of the back doorway leaking through the bit of wood that stops the door from closing during a heavy rain. There is definitely caulk ...
Michael Dougherty's user avatar
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0 answers
81 views

Water draining below sump pump drain pipe?

I live in 6 year old home and I noticed today after rain, that the sewer backflow preventer located in basement floor is full of water! Basement floor slab is Bone dry but potentially there is water ...
Maxior's user avatar
  • 1
0 votes
1 answer
108 views

Is it feasible to install three skylights next to each other?

My contractors installed a new sloped roof and two new 16"x46" skylights spaced about 22" apart in my kitchen rehab. I am contemplating having a third one installed in the middle. My ...
Julian's user avatar
  • 153
0 votes
0 answers
48 views

How to seal gazebo post bases already installed?

First time homeowner as of this week. During our inspection, inspector raised concerns over the rot occurring at the base of the posts on the gazebo located on our back porch. He recommended sealing ...
Canbo's user avatar
  • 101
1 vote
2 answers
215 views

Safety of epoxy resins in direct and constant contact with drinkable water [closed]

So I live in a flat on a six-flats building and thus it has a tank of water in the basement to provide pressure to the tap water of all the taps in the building. Recently the administrator of the ...
Hvjurthuk's user avatar
  • 111
0 votes
2 answers
125 views

How to seal water under metal walls

I have a horse barn that I'm turning into an office. The walls are plywood coated with thin metal, and surrounded by a U shaped steel channel. They just sit directly on the concrete slab, and when it ...
Hunter's user avatar
  • 101
0 votes
3 answers
356 views

Basement outlet on exterior wall oozing water [closed]

I walked downstairs and saw my outlet oozing a brown substance. Guessing it is dirty water from the outside (I have a sprinkler going and it is hitting this part of the house). Also guessing it is ...
oilers128's user avatar
  • 369
1 vote
1 answer
304 views

New siding done, removed gable vent, but no sheathing?

So I just had nice new James Hardie siding put on. They tore off everything, replaced the insulation from the outside, put on new sheathing, house wrap, and then Hardie board. Part of the contract was ...
negacao's user avatar
  • 850
3 votes
3 answers
1k views

Is visible daylight between lead flashing and the chimney brick stack normal?

Earlier in the year I employed a contractor to replace the lead flashing around my chimneys - ironically I had previously contracted someone else to do this and they had done such a bad job I needed ...
Concrete_Buddha's user avatar
2 votes
1 answer
192 views

What can I use to flash a deck ledger in a brick wall without metal?

The original deck on my house was attached by having boards extending out from the basement joists through the brick casement (e.g. partially sistered with basement ceiling joists). At some point over ...
negacao's user avatar
  • 850
0 votes
1 answer
65 views

How to finish edge of shower?

Trying to find the best way to finish a walk in, curbless shower? I’ve got tile 55” out from the wall, of which then transitions to green board. However, there’s still enough splatter that I don’t ...
Jimbo's user avatar
  • 109
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0 answers
225 views

How to waterproof this shower window

I removed a lot of unknown gooey stuff that formed a seal between the outer plastic edges, the window itself, and the wooden quarter-round moulding that was nailed to the frame (and completely rotten ...
montrealist's user avatar
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0 answers
104 views

Is it safe to parge historic interior brick basement wall with hydrulic cement at grade?

I have a historic house from 1906 with soft bricks that had water leaking through top of basement wall near ground/grade level. Opening up the basement ceiling I can see that the mortar is all gone, ...
MonkeyBonkey's user avatar
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1 vote
1 answer
365 views

Waterproof exposed wood on exterior house before building deck

I am building an attached deck onto the back of the house. I just got done breaking up my concrete steps which led up to the back door of the house. After I broke the concrete stairs away, I found ...
levibostian's user avatar
1 vote
1 answer
361 views

Joint between Asphalt Driveway and Block Foundation Sealant [closed]

I want to put some type of sealant where the asphalt driveway meets the old cinderblock foundation on a house. The gap is minimal if any, but I feel like it would be smart to put something. It is not ...
RocketManZ's user avatar
27 votes
3 answers
5k views

Does this downspout design make sense?

I've recently started smelling a musty smell in my upstairs bedroom. The bedroom closet just happens to be where the downspout from the main roof drains onto the roof for my garage and creates a kind ...
philmonroe's user avatar
2 votes
3 answers
4k views

How can I waterproof an exposed porch with a basement room underneath?

I am replacing a front porch, it currently is an elevated porch with your typical dirt and debris underneath, and it is an open porch. I intend to excavate a new basement room underneath it, cutting ...
MakingSpace's user avatar
0 votes
1 answer
172 views

How to waterproof foam and pipes coming up through concrete ground

I have a bundle of foam and pipes coming up through the concrete ground in my backyard for my HVAC equipment. There is no conduit and the pipes and foam is all in ground contact and the concrete was ...
MonkeyBonkey's user avatar
  • 1,209
1 vote
1 answer
63 views

Tar and nails failing on roof boot. How to fix?

The nails fastening my roof boot to the shingles are rusting, and the tar around the nails looks like it’s failing as well. What would be the proper steps to fix this?
eclipsis's user avatar
  • 332
2 votes
0 answers
259 views

Should I install an interior perimeter drain in my basement? [closed]

This fall I bought a house in Providence, RI, built around 1930. The house is on about a 7% grade, which steepens more in front of the house down to the street. The previous owners “partially finished”...
Spencer Russell's user avatar
1 vote
1 answer
150 views

Do I need to repair the "plaster cement" around my drain?

My linear shower drain clogged so I removed the drain grate and unclogged it. Now I have some spaces between the tile and the drain channel. This gap was filled with some sort of plaster cement but I ...
Radu's user avatar
  • 11
7 votes
7 answers
3k views

How to fix water missing gutter? [duplicate]

When it rains, water from the second floor downspout misses the first floor gutter on the right side and comes down the siding (as shown below). You can see the evidence (vegetation) growing to the ...
Nate's user avatar
  • 161
2 votes
2 answers
153 views

How can we detect or redirect a water leak from a 2nd floor toilet?

Last year we had a water leak in the drain pipe of our 2nd floor toilet. It dripped onto the 1st floor kitchen ceiling and created a soft, discolored spot over time. That's how we discovered it. We've ...
Nick Petrie's user avatar
2 votes
0 answers
198 views

Should I treat my sill plate and rim joist before insulating?

Original 1943 construction with an unfinished full-height basement that I'm beginning the process of converting to habitable space. There are various signs of historical water damage on some of the ...
Peter Schilling's user avatar
0 votes
0 answers
52 views

Penetrations in spray foam roof

I'm doing renovations on my 60's house in the southern California desert and I need to make penetrations for plumbing vent pipe and a bathroom fan roof cap in a low slope spray foam roof but I haven't ...
g-ulrich's user avatar
1 vote
1 answer
406 views

How to properly seal a humidifier water tank?

I cracked a plastic water tank for my humidifier, a Holmes HM-2060W. It's not a bad crack in that there is not a large gap, but it's 3-4 inches long and leaks water, which spills onto the floor, so ...
dfrankow's user avatar
  • 157
0 votes
2 answers
2k views

What can I do about the joint between my roof and brick wall leaking?

I have a bay window with its own roof, that connects to a brick wall. The joint between the roof and brick leaks when water is sprayed at or otherwise lands on the brick -- during our last hurricane, ...
Itinerati's user avatar
  • 135
0 votes
2 answers
1k views

Walnut butcher block. Uneven wall gap. Hate backsplash. Has to be other options? [closed]

House built in 50's. Concrete blocks on a slab. 800 square ft. I bought two 8' walnut butcherblocks Old counter was original ugly formica 9' 2" Also bought kraus workstation sink that we will ...
Shay Lyn's user avatar
1 vote
1 answer
141 views

Wet-room style flooring in a "U"-shaped bathroom - will this work?

I'm re-tiling our bathroom and want to do it as a european style "wet room" with no step for the shower and also a drain under our free-standing clawfoot tub. Our bathroom has kind of a ...
daveola's user avatar
  • 157
0 votes
0 answers
36 views

Water collecting on timber outbuilding ceiling (inside), possibly structure related, causing water damage (is the structure the cause?)

I have a problem with a timber outbuilding built this last summer. I'm wondering if the problem is related to the fact that I asked the contractor to omit the insulation and internal OSB skin (to save ...
gbro3n's user avatar
  • 277
0 votes
1 answer
618 views

Window / door install - is it ok to use no Z flashing at the top and bottom if there's trim sealed well all around it with a high quality product?

Would there be any issue to not using metal flashing that protrudes past the siding (such as Z flashing) when installing a vinyl nail-fin window? The plan would be to put 4-in trim all around it ...
g491's user avatar
  • 750
2 votes
3 answers
1k views

What is the best setup for plugging in outdoor pond pumps?

I have a large backyard pond. To run the waterfalls, filters, and circulate the water, there is one 30-watt septic air pump, plus three 120-volt, 300-watt water pumps. The pumps move about 15,000 ...
Village's user avatar
  • 1,045
0 votes
1 answer
215 views

Sill pan for window - drawbacks of creating positive slope by angling sill 2x4

At 0:38 of this FineHomeBuilding video https://youtu.be/zEleTgfifS0?t=38, it says one valid way to create a positive slope for making a sill pan for a window is to angle the rough sill by 5 degrees to ...
g491's user avatar
  • 750
0 votes
0 answers
38 views

Old Log home leaking

We recently purchased a 1975 log home in Northern British Columbia Canada. We knew it would require fixing up. We immediately had to get jobs so it has been slow going. When it rain we had a few ...
Fay Anders's user avatar
1 vote
0 answers
288 views

Red and orange streaks leaking down my concrete basement wall, and is this a major concern?

I discovered a large number of streaks running down the interior of my basement foundation wall in a storage closet. It looks like mildew or perhaps iron ochre. The wall abuts a patio with paver ...
Todd's user avatar
  • 305
0 votes
1 answer
364 views

Window installation - if using a combined sheathing / siding product (LP SmartSide), should window fins be outside or inside of it?

The window instructions say to put the fins on the outside of the sheathing, but if a combined sheathing/siding product is being used (LP SmartSide 38 - model 27874), should the fins go on the outside ...
g491's user avatar
  • 750
0 votes
1 answer
473 views

End caps for standing seam metal roof

I've installed a standing seam metal roof as shown below: Any ideas how I can approach the seam terminations shown above? Here's a top view detail of one standing seam termination, showing where I've ...
Kevin Cain's user avatar
9 votes
5 answers
9k views

How can I store canned spray foam insulation for reuse weeks or months later?

The nozzle of the spray bottle hardens quickly which makes it impossible to use after a few days and even hours.
JinSnow's user avatar
  • 526
0 votes
1 answer
748 views

New caulk on tub splitting after just a few weeks

My partner and I bought a house in July. It has 2 tubs, 1 of which we never use. Both tubs needed to be re-caulked. On 2022-10-31 I had a professional re-caulk both tubs. The one that my partner and I ...
Ryan's user avatar
  • 419
2 votes
1 answer
315 views

What are the differences between "paperless drywall" and "cement board"?

In this answer it was stated that: I would recommend paperless drywall over cement board for the tub surround, as well -- gypsum board of all types is vapor open (around 50 perms) while serving as an ...
FreeMan's user avatar
  • 47.4k
2 votes
2 answers
816 views

How to cheaply seal a metal sheet roof done poorly

In the context of poverty, i.e. living in tin metal shacks etc. So it's all about damage control and not some fancy 6 step multi layer solution: If the roof sheeting is leaking a lot because of gaps ...
David d C e Freitas's user avatar
1 vote
0 answers
46 views

Tight angle join between external walls possibly letting in water

Have a house ~1870, which is having some leaking/damp issues. One place I'm looking is where the neighbours boundary wall meets the corner of our house. Our house is on the left. It's difficult to see ...
Ian's user avatar
  • 113
0 votes
1 answer
57 views

I have a fibre glass roofing on my trailer and water accumulate near roof vent. It cause leakage

I have a fibre glass roofing, and water accumulate near ventilator. It makes it way and cause leakage. I need to make some slide on that Groove so water won't stay there. I don't want to redo roofing ...
Sarah's user avatar
  • 9
1 vote
4 answers
4k views

How is water getting past Bilco bulkhead doors?

Background: 20 year old house with original Bilco classic bulkhead door (see image below). Water was leaking in around the metal Sill and rotted the top step and stringer. I removed all the old caulk ...
Nate's user avatar
  • 161
0 votes
1 answer
33 views

Whats the best way to prevent water getting to the foundation sill

My home is not graded super well, and I was told water has gotten to the sill/wood foundation where this crack is visible. It's not clear to me what the "proper" way to fix this is. A stucco ...
Jonathan Winters's user avatar
-1 votes
1 answer
43 views

flooring cover near shower

I have a fiberglass shower, and the image below shows a slight tilt in the floor covering; likely due to water. Can I use something like a Silicone tape? I want to make sure that the water doesn't get ...
sammy's user avatar
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