fishguy242
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the glue used to secure windshield on car ,not mastic
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Pretty sure it’s in their instructions to scuff it with 60 grit before recoating or applying silicone unless it’s done within the first 8 hours or something like that. I could be mistaken, but I looked into it when I built my vivarium. I used pond shield to seal the whole thing, then siliconed the glass in.
Curious why concrete over plywood? I've been designing my next tank (mostly in my head) and concluded that properly braced plywood was easier than concrete and still strong enough.
Pretty sure it’s in their instructions to scuff it with 60 grit before recoating or applying silicone unless it’s done within the first 8 hours or something like that. I could be mistaken, but I looked into it when I built my vivarium. I used pond shield to seal the whole thing, then siliconed the glass in.
Wow just worked my way through this. No updates in 4 years+. Wonder if he moved to R2R or any other site?
but he does go into good detail re his concrete and glass combo, good memory you have!!
Hi guys, I've been working on some plans for a custom very large tank.
The whole idea is to build concrete tank with large glass "window".
I saw online many people already did that before. Thing is pretty much simple... build a concrete groove and place glass inside.
What I can't find anywhere is concrete information what to apply on concrete to be able to permanently silicone glass to it.
I saw some people talking that they used some "concrete epoxy primer" for that and then siliconed glass into concrete "window groove", but no one says which kind of epoxy exactly (name, brand... etc). Also I saw someone is talking about "pond shield epoxy".... but still can't find any confirmation and precise information.
So, any idea what can be applied on concrete surface to make it suitable for silicone in order to attach glass to it?
Thanks.
You would need to seal the concrete first I think as it’s porous and dusty. Then I would maybe use CT1. It’s darn strong, sticks anything to anything else and fish safeHi guys, I've been working on some plans for a custom very large tank.
The whole idea is to build concrete tank with large glass "window".
I saw online many people already did that before. Thing is pretty much simple... build a concrete groove and place glass inside.
What I can't find anywhere is concrete information what to apply on concrete to be able to permanently silicone glass to it.
I saw some people talking that they used some "concrete epoxy primer" for that and then siliconed glass into concrete "window groove", but no one says which kind of epoxy exactly (name, brand... etc). Also I saw someone is talking about "pond shield epoxy".... but still can't find any confirmation and precise information.
So, any idea what can be applied on concrete surface to make it suitable for silicone in order to attach glass to it?
Thanks.
Use KIM additive, , made in Canada, to make sure your concrete is waterproof.. Now there is no need to waterproof from exterior. Let crete cure 28 days. The recess you formed in for glass pane should now be coated with epoxy. Inset glass with stainless 316 pipe rounds to prop up glass panel so that panel is resting in center of concete/glass embedment zone. Mask glass so that silicone does not spoil your view. Let's say you want a 48x48 window in your bomb shelter, 20' below surface to view the sealife in your ajoinde aquaponic cistern. You might consider a welded and finished ss 316 flange to secure glass in place. In the concrete forming process, install perafin wax ductile so that, once your forms a gone, you can remove wax with torch or hot water jets. Now set glass panel and flange in place. Epoxy QD fitting to vent holes made by wax tube. Using a lacquer pot of fresh silicone, pressure inject for full a full mono-pour glass/silicone embodiment.I can't help you with this one but You might want to check out the DIY forum also.