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Questions tagged [waterproofing]

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14 votes
1 answer
8k views

How do I correctly install ceramic floor tile?

How do I correctly install ceramic floor tile? There's lots of talk about using backerboard and waterproofing membranes, what an acceptable floor deflection is, different grout and thinset additives, ...
Mazura's user avatar
  • 13.4k
31 votes
9 answers
237k views

Can I paint or seal a very moist basement floor to make it waterproof?

My basement has a slight dampness issue, where if I leave things on the floor they will get wet. There are no leaks and no standing water, the moisture seems to be wicking up through the concrete. I ...
Tester101's user avatar
  • 132k
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
7 votes
1 answer
16k views

How do I install electrical through existing stucco (e.g. "old work")

Is there such a thing as an "old work" stucco junction box? Rather than cutting and flashing a 4" hole for a new junction box, can I cut a 1/2 hole for the non-metallic cable, and attach some sort of ...
Bryce's user avatar
  • 10.9k
6 votes
3 answers
61k views

When should a waterproof membrane be installed for shower tiling?

For what kinds of wall structure - tile type combinations a waterproof membrane should be used between walls and tiles?
ipavlic's user avatar
  • 403
0 votes
1 answer
392 views

temporary roofing repair

Ok so we have a shingle roof that needs to be replaced. We are having some lumber logged off to pay for the repairs. We need to make it for about another 3 months. I was planning on using half inch ...
Cody Pace's user avatar
5 votes
5 answers
5k views

How can I locate and repair a leak on a flat roof?

I recently experienced a roof leak on a heavy raining day in the east coast. Picture 1: This is the interior ceiling. I tore open the ceiling sheetrock and could see that water was dripping from the ...
Jay Roy's user avatar
  • 91
4 votes
4 answers
62k views

Correct order of operations for caulking + sealing bathroom tile?

Around my bathtub I have tile, and the old latex caulk where the tub and tile meet is cracked so I've removed all the caulk and am ready to put new silicone caulk down. However, I would also like to ...
v15's user avatar
  • 531
3 votes
2 answers
84k views

How should I waterproof an upstairs bathroom floor?

I'm adding on a bathroom upstairs. My question is what precautions should I take to waterproof it. I'll have new copper, PVC drains and the floor itself I'm worried about. It's sitting half above a ...
RLZaleski's user avatar
  • 459
3 votes
2 answers
6k views

Can I caulk over cracked grout (shower floor) as a temporary fix?

We have an older shower, with 1x1 tiles on the floor. Some of these, the grout has started to crack, and we want to prevent water damage. However, we've exhausted our renovation budget for the year, ...
ctote's user avatar
  • 710
3 votes
2 answers
9k views

Should I use solid concrete or cement block for an egress window well?

I am having some contractors build a window well for an egress window at my house. I have the option of doing solid concrete walls for the window well, or cement blocks (which he said he will fill ...
n00b's user avatar
  • 597
2 votes
4 answers
18k views

How to fix side of bathroom vanity damaged by water

My kids use the bath tub and water spills over almost everyday. I noticed that the bottom part of the side of the vanity is damaged with water. The water at times, goes beneath and I find the nearby ...
techcurious's user avatar
2 votes
5 answers
34k views

How do I secure a copper pipe going through a wall?

What kind of clamp would be appropriate for securing a 1/2" copper pipe that's run through a wall to the outside to a hose bib? I'll accept a general answer. In my particular case it's a stucco wall ...
Bryce's user avatar
  • 10.9k
2 votes
1 answer
5k views

What caulk to use for basement leaks at cove joint where floor meets the wall? Polyurethane, silicone, or latex-based Drylok?

I noticed a small moist patch of the floor near a radon mitigation system. However, I suspect that it has little to do with the radon system but was due to failed caulking at the cove joint, as there ...
P. B.'s user avatar
  • 268
1 vote
4 answers
86k views

Is it OK for OSB3 boards to get wet during construction?

In the UK it rains, as you know. a lot. Is it OK for OSB3 boarding to get wet now and then during the construction of a building? or will it be completely destroyed like chip board or MDF (which ...
Digital Lightcraft's user avatar
1 vote
1 answer
281 views

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 ...
MonkeyBonkey's user avatar
  • 1,209
1 vote
2 answers
247 views

Is sprayfoam suitable for a waterproof seal around AC lines through external wall penetrations?

I understand that closed-cell spray foam can be waterproof, but is it an appropriate material to use for filling around the external wall penetrations where AC lines pass through? I don't know if it ...
P. B.'s user avatar
  • 268
1 vote
1 answer
5k views

Moisture barriers when finishing a basement?

So I know this is kind of a rabbit hole question -- mostly because I've been down that hole for the last month reading articles that disagree with each other. I'm hoping the folks here can give me a ...
XeroxDucati's user avatar
0 votes
0 answers
57 views

How to waterproof this porch area over my crawlspace?

This area seems like a bad design - essentially a piece of flat roof next to the house... The previous roof/porch here didn't seem to have any slope, and all the water drained towards the house (to ...
Ben Sales's user avatar
0 votes
2 answers
5k views

Is it a good idea to use dirt to grade away from foundation?

A reputable/recommended house inspector suggested that we can just pile up dirt to create a grade that will prevent water from collecting around our foundation. We have a crawl space so the dirt will ...
milesmeow's user avatar
  • 5,076
0 votes
2 answers
125 views

Are water and vertical cracks normal for full height crawl space? [closed]

I am thinking about purchasing a home that is set on top of a crawl space (see image). The crawl space has the full height of a basement, windows and a door leading outside in the back. It has French ...
user2725919's user avatar
13 votes
4 answers
8k views

How important is Tyvek/house wrap for a house with metal siding?

I'm building a tiny house and it will have metal siding. My dad has worked a lot of construction and says he's never installed a house wrap for a metal building in his life. Most info I can find ...
Mark's user avatar
  • 291
7 votes
3 answers
6k views

Should a tiled shower ceiling have cement board instead of drywall?

My contractor used mold resistant drywall for ceiling in shower stall; ceiling will be tiled. The stall will be surrounded by frameless glass and there will be about 4" gap from ceiling and the ...
positron's user avatar
  • 289
7 votes
5 answers
37k views

Is mortar waterproof?

I was advised by a professional that mortar is waterproof, however sources online are telling me that it's not. So is mortar waterproof or not? Does waterproofness vary by mortar classification (e.g. ...
AlfaZulu's user avatar
  • 215
5 votes
5 answers
24k views

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 ...
Bryce's user avatar
  • 10.9k
3 votes
2 answers
3k views

How should I waterproof a concrete roof?

We have a 28y/o Medical Clinic in a remote area of Haiti. The roof is concrete and has one coat of DryLoc on it which is lifting off in many areas. The roof is 136' X 35' with a very slight pitch to ...
Deacon Phil Hayes's user avatar
3 votes
2 answers
2k views

Tiling over the bathtub lip vs up to the lip

I am renovating the bathroom and everything I see online says to tile over the lip. This creates one obvious problem - to replace the bathtub one would have to remove the tile, and since style and ...
anm767's user avatar
  • 197
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
2 votes
2 answers
5k views

Water seepage around the water main pipe's underground entry hole thru concrete foundation

So lately with all the hurricane rainstorms, I noticed that some ground water was seeping in from around the pipe where the water main pipe comes into the house's basement. I think this seems to ...
unknownprotocol's user avatar
2 votes
4 answers
6k views

How can I prevent water from running behind my gutters and under shingles near a wall?

I've been troubleshooting some issues have been having with water getting into my basement. Today I took a hose out to try and find out how water is getting behind my gutters and believe I found some ...
AroundPolandTravel's user avatar
2 votes
1 answer
310 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
48k views

How do I prevent water from streaming into my driveway?

Here's pictures of what's happening - taken yesterday (June 1st 2015). I'm struggling with water drainage problems on this old gravel driveway. When it rains - all the water streams from the ...
Dannyboy's user avatar
  • 714
2 votes
1 answer
5k views

How can I stop this water from entering my basement?

I have water issues in my basement - as you can see, it comes in via some cracks between my basement floor and the concrete pads that the washer/dryer sit on. I am working on fixing the problem from ...
Chris Marasti-Georg's user avatar
2 votes
2 answers
1k views

What's the best way to get grade below foundation wall?

We just discovered that the cause of some water staining on the internal sill-plates on top of the basement foundation wall are due to the outside grade sitting ~2 inches above the foundation wall!! ...
1905home's user avatar
  • 239
2 votes
5 answers
33k views

Should Caulk be used around vinyl windows

I purchased a new home last year and all the windows installed are vinyl. My previous home built in 1999 had wooden windows. My question is are all the exterior windows needing to be caulked? I know ...
DSH72's user avatar
  • 161
1 vote
1 answer
4k views

Alternatives to conventional weep screed, for stucco to the ground homes?

I live in one of millions of older homes that have stucco applied right to the ground, like so: There's really no way to retrofit a conventional weep screed here. Lowering grade is not feasible ...
Bryce's user avatar
  • 10.9k
1 vote
2 answers
714 views

Where do I need to drain the footing drain when I waterproof a basement from outside

I am planning to waterproof a basement. (please see the attached picture). I would like to know if the component labeled collector on my attached picture is needed. Since my lot is virtually flat I am ...
MiniMe's user avatar
  • 3,402
1 vote
0 answers
515 views

Well pipe leaking at where pipe comes to the house

so here's my problem here: Well pipe leaking - images Well pipe leaking - video ^ This was recorded march 28-th (so during spring thaw). Since it wasn't dripping since the spring - my assessment ...
Dannyboy's user avatar
  • 714
1 vote
2 answers
1k views

Are molds dangerous to health if they are not in my own apartment? [closed]

I need a help to decide if I will move out from this building because of mold and health risks. Is it dangerous to live in a buliding in which the hallway is full of mold? I've been reading about ...
Erzsebet's user avatar
1 vote
2 answers
5k views

Whats the best way to patch a 1.5" hole in a poured foundation wall?

I need some expert advice here. I inherited a house that has a pool and a shed. The electric to both the pool and shed pass through the foundation of the house underground through what looks like PVC ...
DIYSteve's user avatar
0 votes
1 answer
467 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
0 votes
3 answers
2k views

Managing water entry at garage door during high winds on rainy days

I have a garage floor that's level, and the driveway slopes very slightly away from the garage door. On rainy days, I don't have any issues with water entry, but on high-wind days, the rain hits the ...
Dave's user avatar
  • 188
0 votes
1 answer
143 views

Insulating Basement

Our unfinished basement has hollow cinderblock walls and I am wanting to insulate it and drywall the basement. Our house sits on a slope so the font of the house, including the basement, is ground ...
Roberts2600's user avatar
0 votes
1 answer
353 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 ...
Tyler Durden's user avatar
  • 6,889
0 votes
1 answer
1k views

Water leaking behind gutters

I'm a new homeowner and found that water is getting behind my gutters and was hoping someone may have a solution for me. Here's the gutter: Edit: Additional pictures below Video here: https://i....
AroundPolandTravel's user avatar