Large collection of high quality videos and articles for building and construction professionals.

The Ci app was created by a team of independent building experts with over 60 years of combined building experience.

This application provides builders and contractors instant and reliable information on products and materials, installation methods, technical data and much more.

Better building science, anytime, anywhere.

Innovative solutions are rapidly emerging from all quarters: policies, certifications, research, education, and manufacturing. Building science integrates these innovation into the context of the whole house system.

Now, homeowners, remodelers, builders, designers, architects and manufacturers can access useful, easy step-by-step best practices anytime, anywhere.

Enter any search term to begin exploring building science or finding products. Enter a manufacturer’s name, a brand product name, or a general category of interest-- all will quickly take you to meaningful results and useful information.

You will find a list of generic and brand products. Selecting any one of these calls up instructions, product information, and building science resources.