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Refreshing silicone sealant

 
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Nick



Joined: 02 Nov 2004
Posts: 33857
Location: Hereford
PostPosted: Sat Mar 03, 18 7:40 pm    Post subject: Refreshing silicone sealant  Reply with quote    

Currently decorating a house throughout. Windows are upvc with plastic surrounds. All sealed with silicone which is old, grey and tired. I do not want to scrape it all out and replace. Is there some way to make it shiny and smart? I’m thinking like one of those grouting pens you can buy.

Or will something like vinegar and elbow grease give it back its youthful lustre?

gz



Joined: 23 Jan 2009
Posts: 6359
Location: Ayrshire, Scotland
PostPosted: Sat Mar 03, 18 10:13 pm    Post subject: Reply with quote    

Sounds like ours...old,grey,tired,dried out and leaking draughts like crazy.

One solution...renew..which unfortunately being too cold and not dry I assume we can't do it,yet...

sean
Downsizer Moderator


Joined: 28 Oct 2004
Posts: 41910
Location: North Devon
PostPosted: Sat Mar 03, 18 10:42 pm    Post subject: Reply with quote    

Nope. Remove and replace I'm afraid.

dpack



Joined: 02 Jul 2005
Posts: 34285
Location: yes
PostPosted: Sun Mar 04, 18 2:19 pm    Post subject: Reply with quote    

a very sharp 1 " chisel and quite a lot of stanley knife blades are required.

stan for against masonry etc etc , the chisel for "planing" silicone off the plastic

a wet blade will help a lot

ps by sharp i really mean sharp enough to shave with

pps with old stuff it is sometimes possible to get an end free and pull out the entire bead as a string ( stan can assist with loosening the odd snag )

Nick



Joined: 02 Nov 2004
Posts: 33857
Location: Hereford
PostPosted: Sun Mar 04, 18 5:44 pm    Post subject: Reply with quote    

Turns out you can buy this.

https://www.diy.com/departments/unibond-ready-to-use-renew-white-silicone-sealant/1414955_BQ.prd?dclid=CNvLjpSM0dkCFdgQGwodNbMEag&ds_kids=92700029896532720&gclid=CjwKCAiArOnUBRBJEiwAX0rG_StYG6fYNgjBhnvyCg5n5h-GlTlD5dSW1Xsoil_okrr1OhDSrribQRoC_kQQAvD_BwE&gclsrc=aw.ds&ppc_type=shopping&utm_campaign=PX_GSC_Building_+_Generic&utm_medium=shopping&utm_source=google_cpc

It goes on like a dream and makes it look brand new. Ace stuff. There’s nothing wrong with the existing stuff, it’s just grubby.

sean
Downsizer Moderator


Joined: 28 Oct 2004
Posts: 41910
Location: North Devon
PostPosted: Sun Mar 04, 18 5:56 pm    Post subject: Reply with quote    

I stand corrected. What a time to be alive.

gythagirl



Joined: 18 Feb 2010
Posts: 1453
Location: Somerset
PostPosted: Mon Mar 05, 18 10:19 am    Post subject: Reply with quote    


dpack



Joined: 02 Jul 2005
Posts: 34285
Location: yes
PostPosted: Mon Mar 05, 18 12:27 pm    Post subject: Reply with quote    

umm a new cosmetic layer. sounds good so long as the original still has full adhesion to form a waterproof seal.

mochyn



Joined: 21 Dec 2004
Posts: 24560
Location: mid-Wales
PostPosted: Mon Mar 05, 18 3:39 pm    Post subject: Reply with quote    

Stop this: coming up with answers to minor problems when I'm supposed to be writing an essay, not lollygagging on here!

dpack



Joined: 02 Jul 2005
Posts: 34285
Location: yes
PostPosted: Mon Mar 05, 18 4:29 pm    Post subject: Reply with quote    


derbyshiredowser



Joined: 11 Feb 2007
Posts: 785
Location: derbyshire
PostPosted: Mon Mar 05, 18 6:32 pm    Post subject: Reply with quote    

mochyn wrote:
Stop this: coming up with answers to minor problems when I'm supposed to be writing an essay, not lollygagging on here!


Its not a minor problem if your neighbours are constantly moaning about how your silicon sealant is discoloured compared to other houses in the street. These are the sort of problems that can keep you awake during the night, at present I worry that if all the worlds Tetrion filler was recalled then my house would fall down

Nick



Joined: 02 Nov 2004
Posts: 33857
Location: Hereford
PostPosted: Mon Mar 05, 18 8:16 pm    Post subject: Reply with quote    

Naysayers will be disillusioned to hear it was internal, it was fully functional, just grubby. This lowers the retail value, ‘kerb appeal’, my income and the tax I pay. And I couldn’t give a cold piss what the neighbours think.

gythagirl



Joined: 18 Feb 2010
Posts: 1453
Location: Somerset
PostPosted: Mon Mar 05, 18 9:25 pm    Post subject: Reply with quote    

Never mind the neighbours, last year we had a couple of friends from Down Under stay and she-friend wagged her finger at me in a light-hearted manner and told me how I could remove the limescale from the shower glass and then keep it shiny...they have 2 super-gorgeous rooms in their super-gorgeous house on AirBnB but I'm sure they don't have the limescale issues we have

They're still very good friends

Mistress Rose



Joined: 21 Jul 2011
Posts: 10044

PostPosted: Tue Mar 06, 18 8:31 am    Post subject: Reply with quote    

Yes, limescale is a problem here too. Very hard to keep everything shining when it wants to get covered in a thin film of the stuff. I have also found, now having a nice white bathroom suite, that it is pale brown and not white as I had thought, previously having avocado and brown sinks.

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