Use this Can-Cell insulation stop to manage insulation. 
Wax-coated, the insulation board ensures that vents are not blocked by blown cellulose insulation or fibreglass batts. 
The baffle is made from corrugated cardboard and lined with polyethylene, which makes it moisture-resistant and durable. 
By improving the quality of the air flow, this product helps to control the temperature in attics. 
It also helps to remove moisture by ensuring that hot air flows freely out of the house. 
By enhancing proper air circulation, it prevents ice dams from forming on the roof during winter. 
With its moisture-resistant properties, the insulation stop provides exterior insulation for a home. 
It's crafted from coated insulation board, which improves strength and resistance to abrasions. 
The 24-in x 24-in product is adaptable and easy to install.