Snow load considerations are critical in chillier environments; roofing systems need to be designed to handle accumulated snow weight to prevent structural damage or collapse.

http://roofinstallexpertxhji670.cavandoragh.org/why-roof-examinations-are-necessary-for-little-rock-homeowners

Snow load factors to consider are important in colder environments; roofs should be created to manage built up snow weight to avoid structural damage or collapse