How do you calculate ventilation?

Hear from Samantha Gillenwater, product manager in residential roofing and ventilation for CertainTeed, and tell us how you calculate ventilation. Do you do it by hand still or do you use an app or some other software?

The RCS Lunch & Learn webinar series is dedicated to helping educate and inform about products, services and much more. It is ian educational opportunity for the roofing industry as only RoofersCoffeeShop can do.