Forum Discussion
MrWizard
Aug 09, 2017Moderator
Wood ?
It it's for structural strength, better clamping to the roof
It goes on the inside
The screws then bite into the wood to clamp the vent to the roof
Aka pull it together
It it's for structural strength, better clamping to the roof
It goes on the inside
The screws then bite into the wood to clamp the vent to the roof
Aka pull it together
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