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Water entering pulsar observatory


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Hi does anyone know how to stop water entering pulsar observatory at junction with flat concrete base. Many ideas but has anyone with one that works practically for the long term. I am even researching bespoke guttering but will cost a fortune!?thanks

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Outdoor window frame sealant around the inner lip. I’ve had one for 18 years. I also painted over it with concrete floor sealant.

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10 hours ago, Davey-T said:

Some sort of acrylic sealer not silicone.

Dave

Can you explain why? I know that acrylic can be over painted whereas silicone won't. But otherwise I thought silicone was superior?

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1 hour ago, Len1257 said:

Can you explain why? I know that acrylic can be over painted whereas silicone won't. But otherwise I thought silicone was superior?

Silicone doesn't wear well outside, as said above CT1 sticks like s***

Dave

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