Questions tagged [waterproofing]
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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 ...
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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 ...
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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, ...
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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 ...
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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 ...
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Shingles Setup for California Addition - Valley between New and Existing
Building an addition and adding a perpendicular roofline to an existing roof with a California framing. The new gable roof will be perpendicular to the existing gable roof. I would like to keep as ...
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Water sealing outer corners of a shower tray
Hi all and thanks in advance for any tips given.
I am doing a bit of DIY repairs of my leaking shower. Long story short I had to take down tiles, plasterboard, shower tray and replace part of subfloor ...
CommunityBot
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Advice on injectable silicone-based damp-proof course
I have a 140-year-old house of heavy masonry (bluestone/basalt) construction. It is built into the side of a hill with about 25% of the "basement" actually below ground level:
You can ...
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How do I seal around an outdoor rated wall mounted luminary?
What's the proper way to seal a exterior wall mounted luminary from water entry? I was unable to find one for purchase with any sort of gasket, and it appears that any water sheeting down the wall ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
CommunityBot
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Will using Redgard over a cement shower pan cause a mold sandwich if there are weep holes underneath?
I recently installed a cement shower pan but I had to use two pvc shower pan liners because of the size of the shower. I used the specified pvc cement to "weld" the two liners together at the seam. ...
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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 ...
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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 ...
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Add slope to existing flat porch/balcony
I have a patio attached to my house (like in the image below)
As you can see, it is covered and over my garage. Although it is covered, it still gets rain and snow on it and, unfortunately, the top ...
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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 ...
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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 ...
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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 ...
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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 ...
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How can I attach things to the inside of a shipping container without compromising the water tightness?
I just got a shipping container for use as storage/workshop and need to figure out how to attach things to the container walls and ceiling, without causing it to leak.
I'd like to hang a garden tool ...
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Drylok turning copper pipe green, is it corrosive to metal or copper?
Recently had drylok put on my basement walls and some of it got onto the copper pipe water main coming through the wall - and I noticed that it has turned green under the drylok.
Does drylok and ...
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How do I seal shower wall if no space for seam tape?
I had to remove a section of my shower wall for plumbing repairs. The wall is currently drywall. I want to fill the hole with Fiberock. I was unable to remove the tiles from the drywall, so I had ...
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Can an underground drain pipe cause water seepage into basement where floor and wall meet in the front and side of a house?
We have three water issues on one side of our 1934 house. Our house sits beneath our adjacent neighbor's 2018 cruise ship of a McMansion that runs the full length of our home and backyard four stories ...
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Proper sealing for brownstone roof dividing wall
TL;DR: For a four-storey New York brownstone with flat roof how should the dividing parapet wall be covered/sealed?
The brownstone has a rubber-like membrane on the roof that is connected to brick ...
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Sealant for exterior water line into garage
I need help determining what is the proper approach to sealing an incoming water line main through a concrete block wall.
The main water line is coming in about 2 feet below ground level. The space ...
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Spray foam over interior French drain?
I have a basement finishing company who will be installing spray foam directly to my cinder block foundation wall. I have an interior French drain and I’m worried how the spray foam will affect the ...
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What is this rubber seal under the grout in my shower?
I have a shower which has a join between glass and marble which has recently started leaking. As a first step, I've removed the grout for replacement, but it looks like there's some sort of rubber ...
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Will discolored concrete around French drain be a problem?
We just bought a new house and had a flood due to power outage. We gutted the basement and decided to water proof it. Got a new sump pump with we'll put in and installed a French drain.
After ...
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Basement flooding due to a hole/gap along the exterior wall
Just found there is water mark and mold in the basement in a 6 feet by 6 inch area near the baseboard. After a quick check and some photo comparison it seems that it is due to a hole near the ...
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Wall rot going on near the shower
There appears to be water damage outside the shower near the floor. I'm not sure what is causing it. I could use some advise as to exactly what kind of research and/or repair is needed for next steps....
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Gaps in Tiles Around Shower Fixture Holes - Waterproofing/Final Prep
Background: I have just finished tiling my shower/tub. Everything has been waterproofed with mapei liquid membrane and fiberglass tape on the seams over cement backer board. The backerboard was ...
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How to seal a foundation wall hole 7' feet deep around a 2" pipe in a cold heavy snow climate [duplicate]
Our foundation has a 2" hole for the water main / well pipe which is about 7' below the ground outside. During spring thaw when there is several feet of snow melting, the ground gets saturated, ...
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How do I remove old drylok?
I'm about to start painting my basement walls with drylok. Previous owner waterproofed.....stuff looks to be about 10-15 years old. Has some stain marks in areas which shows there has been some ...
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Joist tape needed for ground contact joists / beams?
If using ground contact timbers and joists for the structure of a deck (in this case a treehouse), is it a good idea to use joist tape to help protect against rot over the course of many years, or ...
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How can I monitor my roof to detect roof leaks before they cause damage?
A lot of questions have been asked about how to locate a leak in a roof, but you can only locate a leak that you know exists, and the first noticeable sign that there is anything wrong might be ...
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Best way to fit window sealant?
What tool can I use to cut a housing grove for this window sealant?
I've tried with my table saw, but the kerf is 3mm, so I'd need to pack and glue it.
The push fit section, measured with calapers = ...
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How can I secure this faucet: the pipe is not secured inside the wall
The pipe leading to this exterior faucet was apparently never secured inside the wall (contractor mistake when the wall was built):
So it pulls in and out in use, and no doubt lets rain water drip ...
CommunityBot
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How can I stop the dripping from a concrete ceiling?
My uncle built a concrete bunker in the side of a hill over 50 years ago. The shelter seemed to be free of any leaks until just recently in which there is a steady drip in a few spots in the ceiling. ...
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Sealing siding around a chimney
I have water coming in from around my chimney. The roofers didn’t finish it, unfortunately I just bought the house so I need to fix it myself. What’s the easiest and best solution to sealing off the ...
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IP68 LED strip installation underwater (suitable methods and materials)
I need to install IP68-rated RGB LED strips in a pool. The LED strips will be submerged in water. What would be the right method to do so? I can think of a few options:
Use the 3M tape on the reverse ...
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Sealer / solution for flat roof deck (of a treehouse)
Building a treehouse which will have a flat roof which will double as a deck, so I'm looking for a way to seal it but have it be aesthetically pleasing (looking at flat roof sealers it seems like they ...
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Better way to hold a shower niche than silicone
My contractor installed a shower niche (commercial one, aluminum or stainless) but tells me that having it holding just by the silicone caulking is enough.
I'm concern that over time, since it doesn't ...
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Daylighting an interior french drain
My basement floods about twice a year (maybe 1/2" of water or so) after excessive rainfall or ice melt, and stays flooded for about a day before the water recedes. The basement is half above ...
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Should the high side of a concrete block retaining wall be sealed?
I am mid-project in a DIY yard project. I have subbed out a large retaining wall to a civil / wall contractor. It’s 220 feet long, between 2-5′ in height, and makes 2 90-degree turns. It’s built to ...
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