Will sikaflex 552 set

[Otter Spotter]

I am going to have to try and block a small water ingress on my front skylight, with the seriously heavy thunder and lightning together with a nights worth of waterfall rain I found that water had just dampened my roof panel.
I have the Sikaflex but If I spread on around the skylight, does it need to ‘cure’ before getting rain on it?

 

[tacr2man]

https://industry.sika.com/content/dam/dms/nz01/j/sikaflex_-552_at.pdf this should help

 

[Steve and Denise]

I would say, best just ask the supplier/manufacturers, why rely on secondhand information

 

[ChrisAndEmma]

I don’t know about Sikaflex I’m afraid but I carry plumbers Fernox LS-X for emergency water repairs. Works well for me but tube life is limited once opened. I don’t know about UV resistance. Another good one that works when wet is CT-1. I’ve used this on domestic roof repairs and it’s standing the test of time at coming up for 3 years.

 

[ChrisAndEmma]

LS-X External Leak Sealer 50ml - UK

LS-X is a proven, fast acting, silicone paste which is used as an effective external leak sealer and jointing compound. It is designed for use on hot and cold water services, including potable water. Convenient and easy to use. Ideal for use on compression joints and screwed fittings Never sets...

fernox.com

Ct1 Sealant And Construction Adhesive White 290ml | Wickes.co.uk

Ct1 Sealant And Construction Adhesive White 290ml

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[Otter Spotter]

https://industry.sika.com/content/dam/dms/nz01/j/sikaflex_-552_at.pdf this should help

That answers my question, cheers tacr2man it’s expected to shower tomorrow, that can be construed as ‘moisture’