Questions tagged [waterproofing]

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24 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
57 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
21 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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12 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
76 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
43 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
57 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
37 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
102 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
203 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
62 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
62 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
48 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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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
64 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
75 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
37 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
23 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
66 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
63 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
19 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
31 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
53 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
34 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
49 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
59 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
50 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
272 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
60 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
59 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
131 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
56 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
40 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
54 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
162 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 ...
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1answer
49 views

Waterproofing between wall and new sink vanity

We just installed a new sink vanity and there's a roughly 1 inch gap between the bottom of our mirror and the top of the sink where the wall is exposed. We'd like to protect the wall back there from ...
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3answers
304 views

Can dielectric grease be used in coax connections?

I have two coax cables that need to splice together. I am using waterproof F-type connectors but I was wondering if a dielectric grease where the two screw in to each other would be harmful (signal ...
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1answer
48 views

Is this masonry roofline intersection problematic? Should it be called out by our home inspector?

Our new house (brick and stone veneer) came with a significant exterior wall leak at a roofline/masonry intersection, so I've been learning more about how these are supposed to be waterproofed, and am ...
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1answer
58 views

How to reseal wiring coming through roof after adding an additional coax drop

My AC condenser unit is on the roof. The wiring and refrigerant lines run through a PVC pipe in the roof. That pipe is sealed with what looks like some sort of foam product: I would like to put a TV ...
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2answers
347 views

Sleeve for below grade pipe penetration

I need to run a hot and cold water supply line to an outside structure 13' away through my basement block wall. This is in the Northeast US, where the frost line is 42" and the penetration will ...
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3answers
54 views

How to Install Gutters Under This Roof

Looking for advice on how to install (or if I should install) gutter under this roof. This is a back porch that sticks out from the house. Unfortunately the basement does extend under the porch, so ...
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0answers
32 views

Water puddle in backyard causing leaking in garage concrete wall

This is what I saw in the backyard of a split level home after a light rain The water was there due to overflow from gutter. I can clean the gutter but the puddle situation must be fixed as it will ...
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1answer
171 views

How do i waterproof the joists under my bathroom floor?

How do I waterproof the joists under my bathroom floor? I recently decided to replace the floor tiles in my bathroom and found that there had been a leak under the shower. This has meant that the ...
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1answer
39 views

installing a french drain around a basement wall

I'm in the process of building a new house with basement. The deep end and approximately 3/4 around of the basement wall is approximately 8 ft. deep. do I need a French drain this deep basically at ...
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2answers
58 views

What is causing these water “trails” on inside of exterior wall?

The bedroom at the back of my house (North facing) has what I would describe as persistent water "trails" on the inside surface. They are faint, but noticeable. The "trails" run from the ceiling, and ...
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1answer
209 views

How should I seal exposed nails on the roof of an addition?

We recently added a gable portico / overhang at our front door as part of a renovation. We used the same architectural shingles as the rest of the roof to make it seamless. However when the guys did ...