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1answer
30 views

How can I repair crumbling tile sealant?

About a year ago, we hired a worker to tile my kitchen : I don't know how he worked, I wasn't there. The result seemed good enough. However, today, in some places, the sealant seems to be crumbling : ...
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1answer
200 views

Do sandstone patio pavers/grout need to be sealed?

I had an "expert" look at my patio (only 6m old) and recommend that I should have sealant applied to it to make it last. I'd not heard of this before and googling is giving me mixed messages. Since ...
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1answer
37 views

How can I seal a slate floor for long term protection?

I've recently purchased a house in Philadelphia which has a pretty humid basement split into a finished part, and an unfinished (workshop) part. The finished part has a slate floor that seems in ...
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1answer
33 views

Re-seal trailer roof

I have a small metal trailer. It is 5 years old and has developed a leak. I'd appreciate advice about how to re-seal it. The trailer has a PVC coated galvanised steel body, about 6ft long and 4ft ...
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2answers
250 views

How to remove flaking concrete sealer/paint

After my basement flooded and I removed the carpet I found the previous owner had sealed the floor but it's flaking up now and I want to remove it all. It's about 200 sqft so a wire brush by hand is ...
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2answers
1k views

How to repair botched, colored concrete?

We have a back patio with colored concrete that was poured last year. When the concrete was poured, it looked like the color was only picked up by the first half of the pour. The contractor poured the ...
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1answer
751 views

Is it possible to fix a leak in PP-R piping by injecting some type of substance?

I have a central heating system based on PP-R piping and radiators. The PP-R piping goes under the floor. The problem is that the pressure is droping 0.2 atm / week and I am sure there's a leak ...
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1answer
563 views

Waterproof seal between two submersed pipes

I have an odd problem. Essentially I am working on fabricating a connection between two fiberglass pipes that are intended to be submerged underwater (depth 30ft). No water should make it inside of ...
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32 views

Seal the base of a drafty wall

Our dining room has a wall that adjoins the outside. The wall is drywall (I think) and the floor is fitted wood squares. At least one of the squares is pulling up away from the floor. At the base of ...
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0answers
39 views

How do I seal an existing concrete floor before patching it?

We are patching an old concrete slab and we are having a problem with the glue or concrete seeping through small cracks onto the floor below. Is there something I can seal it with before we pour?
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811 views

Repair tub liner with water trapped beneath

The previous owners of my home installed a tub liner rather poorly. The first time we used it, water was trapped between the liner an the tub. The top portion is tile, the bottom is a tub with a ...