DIY question - Liquid plastic or similar material

[Mike1983]

Bit of a longshot but I was hoping someone around here may be able to help.

Does anyone know of a material that I could pour into a plastic enclosure that sets hard after time and can then be drilled / have stuff screwed down to it?

I'm thinking epoxy resin maybe? Looks kind of expensive though as I'll need about one litre.

Thanks

 

[Mike1983]

Thank you very much for your replies, much appreciated.

To put the question into context...

The enclosure I refer to is about a shoe box sized plastic box with hinged lid that will ultimately act as a weatherproof enclosure that will be fixed to a wall in my back garden. The problem is, the back face of the box (where I intend to fit equipment) is just thin plastic with no ability to mount a backboard or similar without puncturing the enclosure (and thus compromising weatherproofness).

My idea of pouring some kind of resin is to effectively reinforce the back face of the box and provide an area that can be drilled (without perforating the box itself) and allow the mounting (screwing down) of plug sockets, a lightswitch and transformer.

Hope that makes sense, let me know if there are any other cost effective solutions!

Thank you very much.