8 votes

How can I seal improperly installed vinyl tile joints?

Do not use any type of sealer in the seams. It is not needed and will void any warranty from the manufacturer. These type of floors work very well just as they are designed. Adding a sealer may ...
RMDman's user avatar
  • 29.3k
5 votes

Caulking a Large Gap (Shower)

This isn't a job for caulk. Flat tape to the tub using setting-type joint compound. Pre-fill the gap first, then set the tape tight to the tub surface (or nearly so). Mask the tub before you begin for ...
isherwood's user avatar
  • 138k
4 votes

Plumber's putty or silicone for tub drain?

Plumber's putty is used (in the modern world) to keep gunk out of cracks and little else. It's not a primary drain seal strategy. The rubber gasket is the drain seal. Putty would just aid in cleaning ...
isherwood's user avatar
  • 138k
3 votes

Caulking a Large Gap (Shower)

If there is a reasonable lip between the face of the wall and the face of the shower surround, I would overlay the top of the shower surround with thin PVC strips about a half inch (12mm) wider than ...
Triplefault's user avatar
  • 7,644
3 votes
Accepted

How can I seal improperly installed vinyl tile joints?

I generally agree with RMDman, but in the case where you can't or aren't willing to correct the improper installation, I would consider a clear urethane sealant (or something like Lexelâ„¢, which claims ...
isherwood's user avatar
  • 138k
3 votes

Plumber's putty or silicone for tub drain?

I too, prefer plumber's putty, but the general consensus is don't use it with plastics. "the ABS drain shoe comes with a thick rubber gasket" I believe the gasket is to provide the seal......
Steve Wellens's user avatar
3 votes

Which caulk to use on brick facade around electrical outlet

Clear silicone is an option. It will last a long time. It's going to be visible but as long as you don't get it all over the place it will look good. Keep in mind the existing cover type is not ...
Robert Chapin's user avatar
3 votes

The bathtub sealant keeps coming off

Bear in mind there are different modulus silicones. (Meaning "modulus of elasticity" -- how stretchy/flexible the silicone is.) Could it be you have used a low modulus silicone, which has ...
dentarthurdent's user avatar
3 votes

Plumber's putty or silicone for tub drain?

I called the drain manufacturer (OS&B) and the technical support said to use oil-free (often indicated as stain-free) plumber's putty or silicone caulk/sealant under the strainer. They did advise ...
adatum's user avatar
  • 300
2 votes

Mounting doorbell camera on brick facade

Dig out the sealant, replace it with an appropriate mortar. You can probably shift the wire's position up or down while doing so,bto arrange things do the top hole (which takes most of the strain) ...
keshlam's user avatar
  • 29k
2 votes
Accepted

GC installed new front door with huge beads of sealant that is dripping

Insist that they provide you with a door the same size as the measurements they quoted for you. It looks like they "found" a cheap door or had one lying around that they dumped on you. The ...
JACK's user avatar
  • 80.5k
2 votes

concrete sealant for radon

The soil suction solution is normal precisely because it works. If magic paint worked, magic paint would be normal. I did a good deal of research when I found that the radon fairy had visited my ...
Ecnerwal's user avatar
  • 214k
2 votes

How do I seal leaky air ducts?

Combining the suggestions made in the comments and some additional thoughts into an actual answer: Plugging a hole in metal duct work with a sheet of metal is common and accepted in the HVAC industry....
FreeMan's user avatar
  • 47.3k
2 votes

Sealant between Bilco Bulkhead Door and Cement Base for Water Infiltration - Colder Temperatures

Urethane is the rock star of the sealant world, and it will work fine in your temperature range--I've built many houses in Minnesota's "off season" with good results. It's solvent-based, so ...
isherwood's user avatar
  • 138k
1 vote

What can I use to seal the underside of swollen upper cabinets?

Polyurethane (whether clear or pigmented as paint) does a reasonably good job of sealing composite wood products from moisture. Marine epoxy (i.e. for working on boats) would be the other likely ...
Ecnerwal's user avatar
  • 214k
1 vote

Should I re-seal a leaky cove joint?

I'm not sure why a person wouldn't seal that joint. Every sprayed waterproofing job I've seen has overlapped the footing in that area deliberately and heavily. If that's what your situation calls for, ...
isherwood's user avatar
  • 138k
1 vote

What material (sealant) to use on fasteners on steel roof

I used the screws with rubber gasket. The metal gasket will prevent you from making a dent, when screwing too hard. In addition I used some Tar in tube and filled the hole before inserting the screw. ...
Traveler's user avatar
  • 17.4k
1 vote

What type of caulk will adhere to composite deck wood?

The best exterior caulk that adheres to all surfaces, stays flexible, and is paintable with any type of paint is Polyurethane. The only down side I found was it must be cleaned off with mineral ...
RMDman's user avatar
  • 29.3k
1 vote

The bathtub sealant keeps coming off

The most common reason for this is the surfaces are not cleaned first. Remove all old caulking completely. Clean the surfaces, water and soap at first and maybe even wipe down with alcohol. Fill the ...
crip659's user avatar
  • 24.5k

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