Questions tagged [silicone]

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25
votes
5answers
30k views

Is there a trick to opening a tube of caulk?

Is there a tool especially designed for opening a tube of caulk, silicone, or construction adhesive?
6
votes
1answer
7k views

What is the proper preparation to re-apply silicone caulk?

We have a Swan Stone shower surround that consists of 3 solid surface panels caulked at the corners with a corner molding them applied and caulked. The previous owners weren't great at things like ...
5
votes
4answers
1k views

Alternative to Silicone Wood Filler for Door Frame

We're very nearly at the end of a very tiresome refurb of our downstairs area. As you can see from the photos, our builder has used silicone wood filler where the floor meets the door-frame. His ...
5
votes
2answers
569 views

How do I clean sealant/silicon from a glass mirror?

I did a poor job of applying silicone sealant to the seam between a glass mirror and the splash back below it. I need to clean-up the smears that I got onto the mirror and the splash-back. How do I do ...
4
votes
1answer
10k views

Is it okay to use silicone sealant on plexiglass?

I've installed an air conditioner in a large horizontal sliding window, and I've used plexiglass to block off the space above the unit. I'd now like to seal the edges of the plexiglass pane to prevent ...
4
votes
4answers
25k views

How to remove silicone caulk from a shower wall?

I took down a shampoo dispenser and now I have several big blobs of moldy silicone caulk on the shower wall. I bought a plastic razor scraper and a bottle of Goo Gone Caulk Remover, which gets high ...
4
votes
2answers
11k views

Will silicone spray lubricant cause bare dry wood to swell?

If wooden parts are binding, will silicone spray lubricant cause bare dry wood to swell? The wood is not maple or oak or birch. It is some type of softwood, maybe fir or pine. The bearing surfaces ...
3
votes
2answers
200 views

Locating a Weatherstrip for door that is NOT foam and vinyl

I have a standard Kerf weatherstrip for my door. Because it is made of vinyl and foam, my cat can shred it to pieces. Is there another type of weatherstrip (rubber, silicone, etc.) that will be more ...
3
votes
1answer
5k views

How Can I re-attach my bathroom fixtures which are hanging loose from the wall?

Please see the two pictures below. I'm trying to re-attach the two faucets so that there is no gap between them and the wall. These faucets work perfectly fine its just that they aren't attached to ...
3
votes
2answers
2k views

How to extend shelf life of already opened one-component silicone sealant or glue?

I know silicone for two things: its properties and its ability to harden when still in the tube, before use. Virtually everyone using it knows that after a while, it is necessary to cut the tip to ...
3
votes
2answers
1k views

How can I clean silicone mastic stains from a bath-tub and tiles?

I was redoing the silicone dilation around the bath-tub, using the silicone mastic from a tube. Unfortunately, I stained the tub and a tile with silicone. You cannot see it really, but they got quite ...
3
votes
2answers
157 views

Tub surrond caulking question

My contractor just completed replacing the tub surround. the walls are tiled from the tub to the ceiling. A few things I'm not too sure about, and would like to get some opinions. The contractor did ...
2
votes
7answers
3k views

How do I easily remove silicone?

Since some parts of the siliconed area of my bath tub are damaged, I need to replace the silicone. Is there an easy method to remove that silicone?
2
votes
2answers
338 views

How do I paint over unpaintable silicone?

So I stupidly used unpaintable silicone to seal my bedroom window... On the inside. How can I paint over this unpaintable silicone? (GE brand).
2
votes
1answer
1k views

Does clear silicone sealer damage stone?

I purchased some ice breaking mats. They are supposed to be attached to steps using clear silicone. I am worried that the clear silicone will damage the steps when removing the mats. The steps are ...
2
votes
1answer
212 views

Shower leaking out the grout

First off, I am not very handy, and my husband is even less so. We have lived in our house almost 2 years and it is 13 years old. During the inspection, I believe the grout in the corners was ...
2
votes
2answers
90 views

Helicoil for plastic

My automower have been opened too many times/with too much force, so the thread is gone some places. Could I use some building silicone I'm the holes, or will it come out the next time I unscrew?
2
votes
1answer
1k views

Will canola oil have any adverse effects on silicone?

So I needed to fill in a rather slab like shape with silicone. All I had at the time was aquarium silicone that came in a tube so I could just make squiggly lines. I didn't like it so I put on a glove ...
1
vote
3answers
2k views

Sealing gas duct vents with silicone

Is it okay to use silicone to seal gas furnace heater supply ducts? If so, do you know how long the silicone will need to cure before the system is useable? Some background: I've been trawling around ...
1
vote
2answers
106 views

Will silicone sealant not be waterproof after 14 hours?

I had to silicone seal a small gap around bottom joint of our shower screen, where it is attached to the wall. We realised that a small but steady drip was soaking the floor over time. I sealed it ...
1
vote
1answer
1k views

Correcting silicon between plasterboard

I had a contractor come in to build an internal wall, and without me agreeing to it, he used silicone between the drywall panels. The issue is that there is a clear line down the wall where the ...
1
vote
1answer
40 views

Spreading silicone caulk thin?

I'm using silicone as an impromptu paint/varnish (the object to be varnished can and will flex in ways typical varnish won't survive). I've used a bit of cardboard as a spatula to mild results - not ...
1
vote
2answers
129 views

Is it okay to apply silicone sealant on damaged silicone?

I did what was suggested and called back window installers to seal it with silicone (they left exterior sealed and water leaked). They told me it's not their job to seal the window only make it but ...
1
vote
4answers
3k views

Removing silicone caulk from counter

I have a granite counter top, and a small granite backsplash that sits on the counter and goes up about 3 inches. There's about a 1/8" gap between the two that had silicone caulk which I am trying to ...
1
vote
2answers
4k views

How to remove pipe sealed with silicone

My kitchen sink is emptying very slowly. The pipes under the sink are clear. So the blockage must be somewhere in the pipe from the wall on. Unfortunately the curved pieces of pipe are in the way and ...
1
vote
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 ...
1
vote
1answer
65 views

Silicone Grease

I was told that silicone grease shouldn't be used on a silicone seal or gasket, as it will swell or even destroy the seal. I know that some hydrocarbon-based greases are bad for rubber seals, but ...
1
vote
1answer
639 views

Shower silicone caulk keeps failing, options for never fail?

So, I have two issues. Both related to the same solution. One shower keeps breaking the silicone seal and then letting water through. The other shower has standing water against the silicone and I'm ...
1
vote
1answer
2k views

Should I use silicone caulk on the side of a deck ledger?

I have a deck ledger attached to the rim joist (the vinyl siding was cut away), and some flashing above the ledger. On the side of the ledger there is a gap between the end of the 2x10, and the ...
1
vote
2answers
61 views

what's the difference between “silicone sealant” and “mastic/MS-polymer sealant”

MS polymer (or "mastic") look like silicone. It also comes in a tube, looks the same when it's liquid. Here are the difference I found with silicone caulk: it's looks a bit less flexible when cured (...
1
vote
0answers
49 views

Removing old silicon sealant and it's very sticky

I'm replacing some old silicon sealant around my bathroom sink. I've already done around the bath tub and that was fine: I removed the old sealant with a knife, cleaned it up and reapplied a new bead. ...
1
vote
2answers
50 views

Remove silicone stain from ceiling

I made a mistake and ended up with a very light coat of cured silicone spread in the ceiling. So looking at an angle, this ceiling area is shining. I can't just scrap it off because it very thin and ...
1
vote
2answers
8k views

How to remove silicone from brick

I had my windows replaced earlier this week. The old windows had metal U brackets to guide the rolling shutters. The gap between them and the brick wall was closed using some kind of (grey) silicone. ...
1
vote
0answers
88 views

Someone with a Durometer please advise me regarding Shore A values?

I need to buy some silicone around 30 - 40 Shore A units of rubber softness. It's for vibration dampers in a home engineering project. Online it only says that an average school rubber is 40A, ...
0
votes
3answers
22k views

How do you clean up silicone caulk?

How do you clean up silicone caulk? The product label doesn't have clean up instructions. It is impervious to soap and water (even that orange pumice soap). I didn't have much luck with mineral ...
0
votes
1answer
91 views

Supporting Shower Mixer with Silicone - is this acceptable?

I recently asked a plumber to fit a new shower. For some reason he used a large lump of silicone to support the middle of the shower: Is this acceptable? Is it safe? Whenever I move the shower handle ...
0
votes
1answer
96 views

Building water tight box from plywood and HDPE

Origin I built a box out of 0.3" (8mm) plywood sheets framed by 3" (75mm) by 2"(50mm) staffs. The box is about 3' (1000mm) each side and 2' (600mm) deep, has a floor but is open at the top. The box ...
0
votes
1answer
64 views

How can I remove exhaust pipe cover that's sealed with silicone?

I want to remove and replace the exhaust pipe cover shown in the picture below, but I can't get it off. The wall is made up of (in the order from outer most material to the inner most material: ...
0
votes
2answers
49 views

Does washroom silicone caulk turn into goo after time?

I found this tube of clear washroom GE caulk in the closet that hasn't been used in over a year. When I tried to apply it yesterday, it was like goo even after drying it for 24 hours. I want to know ...
0
votes
1answer
421 views

Should I use caulking or silicone to seal around a new door frame of exterior stucco house?

A have installed a new exterior door frame to my stucco house and I still need to seal the perimeter before the winter rains. However, since I plan to repaint the exterior stucco a different color ...
0
votes
1answer
699 views

How to remove silicone from a porous wall?

I recently removed a door bell and I got a sillicone stain in the wall. The wall is basically red brick. The brick individually are kind of irregular and present some superficial porosity. This ...
0
votes
0answers
140 views

Using epoxy grout instead of silicone caulk?

Is epoxy grout more flexible than traditional grout? Assuming it is, just because normal epoxy has some flexibility, could epoxy grout be used instead of silicone caulk in specific places in a ...
0
votes
1answer
30 views

Silicone use to bond wood boards at high temperature? [closed]

I'm in a composites manufacturing class, and I'm looking to make a one-off carbon fiber mountain biking handlebar from prepreg. As I don't want to invest in the metal needed to make a proper mold, ...
0
votes
2answers
111 views

Mounting Acoustic Foam in a rented flat

I'm looking for a reversible way to mount my acoustic foam on the wall. My current plan: using Sanitary Silicone from a cartridge. This is in the hope that it would both stick easily and is ...
0
votes
0answers
57 views

Put new silicone on top of old bead

The old silicone bead has spots of mould, I believe the proper way is to remove the old silicone first then apply new silicone to get the same thickness and outlook. But I wonder if any thing bad can ...
0
votes
1answer
2k views

What type of sealant to use on skylight to seal glass and frame

I have a leaky skylight, I actually think that the leaks are coming from the seal between the glass and the frame rather than around the flashing or anything like that. What is the best calking / ...
0
votes
0answers
2k views

Fill/seal large gap around shower base

We just bought a new house and I noticed the shower is leaking. I went to reseal the shower with a silicon based sealant, but then noticed that the gaps are pretty large. Along one side, between ...
0
votes
1answer
356 views

How can I repair cracks at corners of tiled walls?

I recently had a bathroom renovated these cracks are appearing in the corner of shower cubicle where two walls meet . Obviously workmanship not been good but is this easily fixed with a reliable long ...