Filling opening

[Pocster]

Cables / pipes all go through a low level opening to the outside world .

Was planning on just foaming this gap . But worried a rodent of some kind will just eat through it . Can access the outside but it’s not possible to put any effective mesh as plenty of pipe work ( ASHP and water ) to puncture .

What’s best to do here ?

[Pocster]

Googling tells me …

 

Rodents will chew through expanding foam alone, so for rodent proofing this must be used in conjunction with wire wool, copper mesh etc.

 

pack hole with wire wool then foam ?

[Pocster]

I was going to post a photo of my hole ; but thought best not …

[Mr Punter]

Stainless steel pan scourers foamed in will stop them.