b'Roof MaintenanceThorough and timely preventative maintenance can address conditions that require remedial repair and maximize the performance of a roofing system.A roofing system that requires replacement before it is ex-pected can often mean that other planned projects have to be deferred or even cancelled. If the necessary funds are not avail-able for an unanticipated roof replacement, the building owner may be forced to employ temporary and/or ineffective repairs in an attempt to delay overall roof replacement.ConclusionRoof systems are subjected to stresses and deteriorating ef-fects and must be able to withstand environmental conditions throughouttheexpectedservicelife.Thoroughandtimely preventative maintenance can address conditions that require remedial repair and maximize the performance of a roofing system. Preventative maintenance is designed to correct minor anomalies that may be potential sources of water penetration, moisture ingress and leakage before the infiltration occurs. In additiontoongoingmonitoringandtimelyrepairs,regular maintenance can enable a building owner to financially plan for the eventual replacement of the roofing system.For further information, refer to CRCAs Roofing Preventative Maintenance Manual. This article was originally printed in the Spring/Summer 2020 is-sue of Roofing Canada Magazine and is reprinted with permission from the Canadian Roofing Contractors Association.16ONTARIO ROOFING NEWSISSUE 2 2020 THE ONLY SOURCE FOR PROFESSIONAL ICI ROOFING CONTRACTORS IN ONTARIO ORN'