Questions tagged [silicone]

99 questions
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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 remove the hardened part. How can I extend its life…
FarO
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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 and tried to smooth it out but it just stuck to…
user27578
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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 terrible, but not exceptionally smooth. Is there…
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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, Except rubbers vary a lot in springiness, a professional…
bandybabboon
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How to obtain smooth and sharp silicone line on rough tiles?

How can I obtain sharp silicone caulking when the walls are tiled with small tiles, with a rough texture? I used a silicone profiling tool, but I did not try spraying soapy water before profiling. The difficulty I have is that as I apply pressure…
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Why is silicone caulk still wet to the touch a day later?

I have a glass & metal umbrella table that needed to have the metal frame glued to the underside of the glass. I flipped the glass table upside down on another table. I clamped the corners down and applied the GE silicone. I went to Home Depot and…
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wet finger to smooth out silicone?

I have seen some tile guys wet their finger with saliva to smooth out a bead of silicone in a corner of a shower stall. does this minor wetness have any adverse affects on the surface layer of the silicone or its ability to cure properly?
chris o
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What are the minimum and the maximum grout lines/gaps that you can cover with 100% silicone?

What are the minimum and the maximum grout lines that you can cover with 100% silicone? With grout line I mean the space between two tiles, without any applied; I don't mean covering a grouted space with silicone. If I have porcelain tiles sitting…
MiniMe
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How do you preserve expensive 100% silicon color match for your grout for long term?

I have ordered this https://thefloorbox.ca/products/tec-accucolor-100-silicone-sealant-62052?sku=TA155909&gclid=Cj0KCQiAnuGNBhCPARIsACbnLzpoEyuM_5bzygLTP1_bkEqQWohaDt3gA0AzWMOuPeLW3wWmsAtulZ8aAlpWEALw_wcB This matches the color of my grout and I…
MiniMe
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Why is silicone caulk "falling" or peeling away from new bath countertop and wall?

About 6 months ago, we hired a remodeler/carpenter to install a new bathroom vanity top. They caulked around the vanity and it looked good until a couple of months ago, when it started to gap and tear away from the wall. The wall, which we painted…
Annabanana
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How to keep neutral silicone?

So, I bought this neutral silicone tube to seal a couple of cracks. The tube of silicone is still half full. How do I store it?
lpydawa
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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 happen if I do not mind to increase the thickness…
user1589188
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