Noticed today, something is tunneling into the mortar in my porch.
The tunnel is about a pencil diameter, approx. 20mm deep and just under the Damp course felt with some dust from the hole on the floor.
What is it and how do I treat it.
Thanks
The tunnel is about a pencil diameter, approx. 20mm deep and just under the Damp course felt with some dust from the hole on the floor.
What is it and how do I treat it.
Thanks