ATTRIBUTION:
Functional Statement:
F82
To minimize the risk of inadequate performance due
to improper maintenance or lack of
maintenance.
Objective:
OH1.1, OH1.2, OH1.3
INTENT:
To limit the probability that attic or roof spaces will
be inaccessible for periodic inspection or maintenance, which could lead to:
- deficiencies in building components going undetected, or
- the need to demolish building components in order to gain access.
This is to limit the probability of condensation
going undetected or the ingress of water.
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
ceilings acting as environmental separators, 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.