Hiya,
Just wondering if someone could tell me what these are? They're every 3-4 bricks along just above the damp course and above every window on our property. I'm asking because I've seen a few wasps buzzing in and out of them so I'm wondering if Its safe for my to partially block them?
Just wondering if someone could tell me what these are? They're every 3-4 bricks along just above the damp course and above every window on our property. I'm asking because I've seen a few wasps buzzing in and out of them so I'm wondering if Its safe for my to partially block them?