Engineered Roofing Systems has compiled a few links providing insight from understanding your roof warranty to questions that should be asked when buying a roof and other helpful references.

20 Questions To Ask When Buying A Roof

Roofing Technology archive Volume I, Issue I

There is much to consider before purchasing a new roof. WeÕve compiled a list of 20 key questions to get you started.

Understanding Your Roof Warranty
Roofing Technology archive Volume II, Issue II

Can you discern fact from fiction and product performance from sales puffery? We bring you a concise yet comprehensive comparison and analysis of the industryÕs standard roofing warranty options.

Energy Star Cool Roof Calculator

A roofing comparison calculator.

Single Ply Roofing Institute

Sheet membrane and component supplies to the commercial roofing industry

Roofing Technology

A NEW resource for individuals involved in selecting, specifying or purchasing roofing materials for commercial, institutional or industrial facilities