Intent 1:
To limit the probability of inadequate stiffness
or strength, which could lead to excessive deflection or the structural
failure of glass-reinforced polyester roofing panels under expected
gravity loads, which could lead to precipitation or meltwater ingress.
This is to limit the probability of:
- compromised thermal performance of components intended
to provide resistance to heat transfer, which could lead to an inadequate
control of the temperature of interior spaces or relative humidity,
- the generation of pollutants from biological growth
or from materials that become unstable on wetting,
- deterioration, which could lead to compromised integrity
of roofs or assemblies protected by roofs, or
- water accumulation in interior spaces.
This is to limit the probability of:
- negative effects on the air quality of indoor spaces,
- the inadequate thermal comfort of persons, and
- contact with moisture.
This is to limit the probability of harm to persons.