DIY Doctor

What Size Holes for Decking Ventilation?

Postby Hooky » Tue Apr 23, 2019 9:14 am

what size holes would i need to drill into the sides of my very low decking to allow air flow but be too small for mice to get in?
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Simply Build It

Postby ZaneC » Thu May 23, 2019 1:39 pm

Hi Hooky,

We have fields at the back of our house and we had a persistent problem with mice under our decking. I was told that mice can collapse their skeletons to fit through a hole the size of a pencil diameter! I cut some rectangles and installed woven wire mesh screens with decking screws


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