Manufacturers of fenestration products want to provide potential customers with information to enable THEIR choice as to the correct product for THEIR project. Accurate documentation communicating the capabilities and requirements relating to window and door products is essential. Detail as to how the product performed in standard industry tests enables an informed purchaser choice to satisfy particular application and building requirements. Access to test reports lends credibility and supports marketing materials.

It is appropriate for a manufacturer to provide documents that offer guidance on common questions as to beneficial use of their windows and doors. Required instruction with regard to installation promotes proper integration of windows and doors into the building envelope, while instruction concerning product operation and maintenance supports product life.  General warning regarding the risks of open windows and strategies for managing that risk.may prevent accidental injury.  Other items such as product inspection, handling, and job site storage should also be considered.