Questions tagged [waterproofing]

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48 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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2answers
54 views

Is adhesive to sister a pressure treated deck joist necessary, and if so what kind?

My deck has a cantilever of about 4 feet from the girder to where the stairs attach, and the stairs tend to have a bit of a spring in them when you walk up. I want to solidify it a bit by sistering ...
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1answer
39 views

Pros and Cons of sealing a flat roof with liquid rubber product

We have an extension on our 1950s house which looks like it was put in very early on, and it extends a single bedroom out into a master bedroom size room. This extension has a pretty flat (it has a ...
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1answer
31 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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0answers
27 views

Roofing question: main stack sealing

Main stack is 3" ABS inside the house replacing the original cast iron. At the top, the cast iron going through the roof was left in place for convenience and the ABS was run through it. The roof at ...
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2answers
21 views

How important is the weather stripping on the inside of a Velux skylight?

I just had the inside of the wooden frames around my Velux skylights painted. The painter did a good job, but I think when he was removing the masking tape from the skylight's frame, he pulled off a ...
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1answer
30 views

Water around furnace: culprit?

Problem: After heavy rain, water pools around our basement furnace. After climbing onto the roof, I found a mysterious (plumbing?) vent. This post seemed relevant, but 0.5 gallons comes in after a ...
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1answer
25 views

Options to refinish deck

Our wood deck is only a few years old, and has taken quite a beating from the weather. We just moved in, and I'm not sure if the previous owners have taken care of it properly. On our old house's ...
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2answers
42 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 ...
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0answers
49 views

Is this a proper way to drain water from flat area under deck so it does not penetrate basement wall?

I have a flat area under a 6 by 30 ft deck in front of my split level house. I am currently replacing the deck boards on this (Pictures are below). The soil underneath this deck is relatively flat and ...
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1answer
75 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://imgur....
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1answer
56 views

How do I seal the bottom of this door to be waterproof?

I'm going to be replacing this front door with a new prehung exterior steel frame door (pic available upon request). This door leads to a concrete porch and water tends to flow towards the door. The ...
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1answer
68 views

DIY Tubular Skylights for special application; seeking tubular skylights smaller than 10"

We would like to have several "tubular skylights" in the construction we are planning. These are skylights consisting of a circular opening in the roof with attached dome-shaped or circular window, ...
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1answer
28 views

Is there any reason to seal/waterproof underground spliced sprinkler cable?

Since there isn't an electrical current going through sprinkler wire, it's just a single pulse that gets sent from the controller to the individual valve, is there any reason to waterproof crimp ...
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0answers
26 views

Aquadefense on top of redgard

I am current in the process of waterproofing some cement board walls (1/2 inch hardie backer) for the walls of a tub/shower enclosure. I have a tub of leftover redgard and a tub of leftover ...
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3answers
85 views

Cheap way to make cardboard box waterproof? [closed]

I will be attempting to make some concrete planters with two cardboard boxes. Below is the DIY that I will follow: As you can see, the interior of the outer box & the exterior of the inner box ...
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1answer
53 views

Water seeps through basement floor at drain exit during heavy rain

We've been having heavy rains in Madison, Wisconsin, lately, and on two occasions I've found water seeping into my basement in this location: The red x's mark pipes that seem to have no function. ...
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1answer
64 views

Is sump pump supposed to discharge back onto property or onto the street curb?

I have a sump pump in my basement that discharges several times a day. Currently, it discharges water right next to my front steps. I read that sump pumps should discharge at least 10 ft away from the ...
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0answers
38 views

Fixing Chimney leak and ceiling damage

I got a quote from contractor to fix chimney leaking water during rain to ceiling. There is drywall damage to ceiling too as result. What he is recommending is ripping off the roof 2 feet around the ...
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2answers
149 views

How do I deaden the sound of water dripping on metal?

I live in a two story apartment complex (upstairs neighbors are REAL nice). My bedroom has an AC Box/Swamp Cooler mounted into the wall. Directly above it is a similar unit for my neighbors. The ...
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3answers
205 views

How can I protect this exterior outlet from water and prevent smoke leakage to the interior?

I have an exterior outlet in a carport that I want to protect from water and smoke. Water: Rain cannot reach this outlet. I am only concerned about accidental water sprays from either the hose nozzle ...
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3answers
1k views

Can I install a row of bricks on a slab to support a shed?

I am designing a shed for my garden and I would like to build the shed inset from the concrete base by about 20cm on each side. The concrete base already exists (built before I brought my house). It ...
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3answers
67 views

How should I fasten window trim molding when I reinstall it?

I posted previously in regards to an exterior window trim issue I discovered, where the previous home owner did not put any waterproofing around the window. I have since waterproofed around the ...
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2answers
65 views

What I can use to waterproof a sink cutout

I'm using solid wood to make a worktop/countertop in my camper van. It's going to have an undermounted sink, so I need to use something to protect the edge of the sink cutout from water. I have no ...
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0answers
21 views

Replacing old below-grade sleeves/conduit

Our boiler lines and hot water lines are running from building to building through four 6" diameter sleeves (about 12ft long). They appear to be clay pipe but not sure. Anyway, rainwater now gets into ...
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0answers
62 views

Why did the caulk around my tub develop brown/yellowish spots after only two days and what can be done?

Two days ago we re-caulked our tub using DAP Kwik Seal Ultra and left it undisturbed until today. Unfortunately it developed these brownish yellow spots and I am unsure why. I haven't been able to ...
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0answers
39 views

Drywall to Shower Liner Junction

I'm planning on building a shower with a typical plastic shower pan liner: https://images.homedepot-static.com/productImages/8e45b9f6-39cd-4f9a-ba89-c86cd5071314/svn/oatey-shower-bases-pans-41631-...
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1answer
95 views

Deck blocks on patio stones

I am planning to build the 16x18ft floating deck in the back of my townhouse. The back patio is paved with 12x24' patio stones and I am trying to figure out if I should remove patio stones and lay the ...
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2answers
90 views

Stop water pooling on a shower pocket shelf?

I have just moved into a new place and the walk in shower has a great, but flat, pocket shelf cut into the back wall. However the water pools after every shower which requires me to pick up all the ...
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1answer
40 views

Would applying silicone grease to an EPDM seal/gasket be helpful or hurtful?

I'm repairing a Samsung front-load washing machine and had to take the tub apart. The tub consists of two halves which are joined by a number of bolts and a thin (approximately 1/4) seal which ...
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1answer
24 views

Do I need to seal coat part of my new asphalt?

I just had my driveway asphalt coated. In general it looks pretty good, but there are 2 areas (about 10 sq ft each) where the (due to the location) the asphalt was laid by hand and not rolled on by a ...
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1answer
92 views

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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4answers
64 views

How can I waterproof this weak spot in my roof tile where pipe goes through it?

This copper pipe goes in between 2 roof tiles (cement/hard tiles). Water constantly leaks through when it rains. The water clings to the pipe and then drips onto the ceiling. As you can see from the ...
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0answers
29 views

Paint/sealer for wood porch columns

I need to replace a couple front porch posts/columns that are rotting, so I'm just going to replace all of them. Original posts are just 4x4's with some wood casing and trim around it. I'm going to ...
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1answer
34 views

rainwater entering doorway below driveway

I have converted garage with door way about 4 inches below the driveway. Previous owner left this issue for me. My questions is i want to cut into concrete to create drainage system, french drain ...
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1answer
54 views

protecting a wood deck from rot next to a stone patio

I have a wood porch/deck built on top of a cement slab. At some point a previous HO layed a stone patio right next to this porch at the same level. The stone of the patio is abutting the wood framing ...
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0answers
52 views

Waterproof membrane under alcove tub? Tiling the bathroom floor

I’ve completely demoed my bathroom, I’m going to install the alcove tub and then tile the floor. It’s a one story house and it’s a concrete subfloor. My question is: do I apply the waterproof membrane ...
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1answer
73 views

How does a contractor determine the water performance rating needed for a sliding glass door?

We had our home recently renovated, and after a large rain, during AZ's last monsoon season, we found a large puddle on water in the house back our new sliding glass door. After determining we didn't ...
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1answer
107 views

Removing Shower Tiles from Waterproof membrane

I am looking to re-grout some tiles in the shower which have come loose. However I have a couple of tiles which have completely broken. However while trying to remove half the tile, it is really ...
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0answers
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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2answers
55 views

Can I use standard electrical cable from a waterproof junction box when replacing an exterior light

I am replacing a faulty exterior light with a waterproof (IP66) LED one with a PIR sensor. There is an existing conduit through the wall, but it is a thick stone wall of an outbuilding and the ...
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0answers
43 views

Water getting into cottage

I have been dealing with this problem ever since I purchased the property (Aug 2018). There is water that is getting into our backyard cottage -- no idea from where! It has created a musty smell, the ...
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2answers
406 views

Water leaking into house through sliding glass door, could missing flashing be the cause?

Newly renovated house, after the last big rain here in Arizona, we noticed that our sliding glass door let water into the house. It appeared to come into the tracks somehow, but I emptied 5 gallons ...
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1answer
69 views

Exterior grading where brick meets stone foundation

I'm wondering how my soil should be graded where my exterior brick meets my stone foundation. The first photo below shows my soil coming up above my brick line, while the left photo shows the soil ...
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2answers
62 views

Waterproofing shower

When applying a rubber waterproofing like red gaurd or aquadefence. What kisnd of morter do you use modified or unmodified. I have read through each one amd it dosnet say anything about what morter to ...
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1answer
133 views

Water coming in, don't know where from

I have been struggling with a water leak in a flex space I have. I don't know where it is coming from. I have removed the bottom siding panel, the paper behind and the wood is dry, but the concrete ...
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2answers
57 views

How high is shower waterproofing treatment supposed to be?

We noticed a sudden water leak while deep cleaning the master shower with the removable shower head, and quickly found the culprit - the tile "bench" in the shower had a grout joint that has ...
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1answer
41 views

Repair Leaking Roof/Chimney In Winter

I live in an 100 year old house in Michigan. I have suspicions that the flashing around my chimney is leaking as the plaster in the ceiling directly below the chimney & roof point is getting soft ...
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1answer
56 views

How do I keep this old shower pan water tight

I have my shower room down to the studs. It has an old terrazzo shower pan which I hope to reuse. It had an inch high metal (lead?) edging around it. It was fairly decayed so most of it has broken ...
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2answers
215 views

Possible downsides of plugging up small hole in foundation?

I have found two small holes in the foundation, near the floor, in the cellar. Water trickles in through these two holes. I am thinking of plugging them up with spray foam. Are there any possible ...