Cor-A-Vent roof purlin vents airflow rainscreen moisture control 4 ft x 35 piece

Description

Cor-A-Vent purlin vents installed on a roof create space for air to flow to help regulate moisture that can be trapped under your roof and get into your insulation, affecting R-value. These vents are made of crush-resistant plastic. These vents were a special order from Cor-A-Vent and was over 0 for the whole bundle. Some of the staples are showing signs of rust but overall in good, working condition.