R316.5.3

Section R316.5.3 is titled 'Attics' and covers requirements for foam plastics. The allowance for exemption from another section of this code which requires a thermal barrier between foam plastic insulation and the interior of a dwelling, when foam plastic is used in attics under certain specific conditions and arrangements is established. The purpose of this section is to allow for foam plastics in attics with alternative protection methods.

The model shows a partial attic and access hatch which is being insulated with foam plastic.