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Silicone caulk expired?

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  • Pipe insulation will do the job nicely - it's squishy, can be cut into neat strips, and won't deteriorate.
    Another option is a foam gun - a small one with a thin nozzle. Either spray in there carefully so it doesn't expand out too far, or else just let it cure and then cut away what you want with a chisel or knife. You can also get adhesive-foam. Once trimmed back, finish it off with a decorative caulk or similar.
    If you want guaranteed toughness, flexibility and adhesive strength, use StixAll. The only minus side is that it can be messy as it's so sticky - I haven't tried finishing it off with a shaping 'tool', but it should work ok - it has a similar texture.
  • MrBrindle
    MrBrindle Posts: 362 Forumite
    Part of the Furniture 100 Posts Name Dropper Combo Breaker
    Well, I cleaned out the silicone yesterday - still no sign of hardening after 6 days! What a mess!!

    Anyway I tested out a big blob of a newer Geocel tube last night, this was a general purpose one - and it's half cured overnight! 

    Safe to say that other tube must have expired.
  • Jeepers_Creepers
    Jeepers_Creepers Posts: 4,339 Forumite
    Sixth Anniversary 1,000 Posts Name Dropper Combo Breaker
    Thanks for the update.
    Have to admit that's a new one for me - expired sealant doesn't cure instead of cures-in-the-tube!
    Pleased you have it sorted.
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