Questions tagged [waterproofing]

825 questions
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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 conducted a simple test to make sure moisture in…
Tester101
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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 of corner in the roof. As I have been looking…
philmonroe
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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 drywall damage in your living space. By this point, the…
interfect
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Is it better to waterproof a basement from the outside or the inside?

Is it better to waterproof a basement from the outside or the inside? I've heard different things about this. We have a home built in the 40's on a cinder-block foundation. One side of the house is inaccessible without removing our driveway.
Kyle
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French Drain: Why do I need 3" of rock bedding beneath the pipe?

I'm having issues with a leaky basement in the Portland area. There's dirt, mud, and vegetation outside of my foundation wall, and it's absorbing lots of rainwater. 4 feet of it is inside my property line, but my neighbor has a wide grassy driveway…
M -
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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, ect... Starting from subfloor-less 16"oc joists,…
Mazura
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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 online says if it's climate controlled it needs…
Mark
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Why is my clear wood finish drying orange?

I bought an outdoor wooden planter online. It wasn't sealed so I wanted to treat it to help protect it from weather and water. The wood was already stained gray so I went with a "Clear Transparent Waterproof Wood Finish" meant for decks and fencing…
David K
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Does tar roof patch on EDPM rubber roof cause damage?

I applied Henry 208 roof patch on my EDPM rubber roof. It looks fine and seems to be holding up, however I'm concerned that it may react with the EDPM chemicals. I have heard this can happen with certain materials, and I'm wondering if I should cut…
Danny
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Can I create a water proof barrier to keep my garage & home from flooding?

Every couple of years, the area where I live gets a huge storm. The result being that the flood of water that collects in the streets overpowers my driveway and runs down to my garage. I put in a large drain a few years back (6 inches) which for…
user2316614
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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
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What should I do about my rendering & damp-proof course?

I have a house that was built around 1890 and is of brick construction with a rendered band running around the base which also forms square edged columns around the front door. Until recently the house had a concrete front garden that met the…
8
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1 answer

Flooding In New Construction Building

This weekend, water was observed flowing up, through the floor and through other joints, into the building - making a swimming pool we didn't ask for! Some Background We currently have a project constructing a shop/garage in the Texas hill country.…
7
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5 answers

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. M1, M2, M3 etc.)?
AlfaZulu
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Attaching a pergola (or deck) to vinyl siding

Building a structure which is attached to a house usually involves a plate which is bolted to the existing building, typically a 2x8, or 2x10. I understand how to structurally attach this, my concern is working with the existing vinyl siding. If I…
Scivitri
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