Plugging a Rat Hole

I filled the hole with expanding spray can insulation foam and trimed the opening.

Steel wool is one of the best products that rats will not chew on. They can and will chew on most anything. You can always sandwich it between spray on foam or other sealant as once they reach the steel wool they will stop. Good luck!

rbrand wrote:
I filled the hole with expanding spray can insulation foam and trimed the opening.

Thats nothing but candy to them. I had a rat get into a $8,000 above ground spa and it tunneled through the entire foam filled lining chewing all the pipe on the way through. I ended up sawing it in pieces and trashing it.

Use what exterminators use: Steel Wool

Steel wool works. It hurts their fillings.

Seriously though, it does work well.

Dryheat36 wrote:
Steel wool is one of the best products that rats will not chew on.

Steel wool is a terrible solution as it will only rust and deteriorate over time. :M Brass wool won't. :B

There's stainless steel wool too. Where I've plugged 4" big O pipe I spray with Fluid Film to stop the rusting.

There is rodent-proof spray foam available. I am not saying that it works, because I don't know this. Just saying that there is such a thing.

-Speak

SoundGuy wrote:

Steel wool is a terrible solution as it will only rust and deteriorate over time. :M Brass wool won't. :B

It does rust and the steel wool on the inside will deteriorate, but oddly it still works. I've had some problem areas on my stick and brick that I filled with expanding foam and steel wool about 11 years ago. The rust colored foam is still there and the mice haven't touched it in all those years. I guess they don't enjoy rust either.

Steel wool works. Period.