Since 1978, IB has been a nationwide leader in providing high-performance PVC membranes & systems for the commercial & residential industry. IB Roof Systems has solutions for your flat or low-sloped roof that are backed by the best warranties available and installed by select Authorized Contractors who are second to none. IB membranes are designed to stand up to chemicals, UV rays, and the elements of nature while providing a watertight and virtually maintenance-free roof. With millions of square feet installed and proven 35+ year performance, IB Roof Systems is the name you can trust and count on for Quality Products, Exceptional Service, and Technical Expertise.