Welcome to Watertight Exteriors, Inc.

Watertight Exteriors Inc. specializes in installing all flat and low slope roofing projects. We also offer free consulting and maintenance programs for every type of flat roof and have an experience work force that can make any type of flat roofing repair. We are a proud authorized installer for Duro-Last roofing systems and can offer the best long-term investment for your building. We can offer you a one of a kind warranty that comes free with the purchase of one of our roof systems and we can protect your investment with a warranty that covers anything that gets wet after the initial professional installation. Please do not hesitate to call for a free estimate and presentation for the worlds best roofing systems today. Call Today for a Free Estimate: 630.548.6105

Illinois Flat Roof professionals install the Duro-Last® roofing system. A highly-reflective reinforced thermoplastic single-ply membrane that is perfect for commercial and industrial buildings with flat or low-sloped roofs.

Each Duro-Last roof is prefabricated to your building specifications in a controlled factory environment, including all accessories.

The results? Duro-Last is the best long-term investment you can make in your building.

Duro-Last's custom-prefabricated, reinforced, PVC roofing system is ideal for any flat or low-sloped application. Extremely durable and easily installed by authorized contractors without disruption to daily operations, the Duro-Last single-ply roofing system is also leak-proof, resistant to chemicals, fire and high winds, and virtually maintenance-free. Over a billion square feet of the Duro-Last PVC roofing system membrane have been installed on all types of commercial, industrial, and institutional buildings throughout North America.