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Home Inspection: Roof Condition

Home Owner Tips

ROOFS

The best time to inspect a roof is when it rains, but if that's not possible, imagine water running down it. Look for damaged shingles that water could get under, and scrutinize anything that sticks up out of the rooflike chimneys, skylights, or vent pipeswhich could dam up water. Such obstacles must be flashed to direct water around them. Roofs rarely leak in the field; most leaks occur at obstacles, joints, and openings. Because a roof can shed enormous amounts of water in a heavy rain, maintenance is critical. If you keep gutters and downspouts clear, they'll direct all that water away from the house.

Inspection Focus

Roofs are inspected visually and from an area that does not put either the inspector or the roof at risk. Steep, wet, snow or ice covered roofs are not walked on. Slate, tile or asbestos roofs are not walked on. Specifics will be in the report.

Roof Coverings

The type of roof and the condition of the top layer will be reported and commented upon. Valleys and roof penetrations are prone to leaking. Worn, missing, patched or otherwise defective surfaces will be inspected and reported based upon normal wear and aging.

Ventilation

Roof systems must be ventilated properly. The type and location of the vents will be reported. Defective or blocked vents can cause serious problems.

Flashings

Flashings provide a water tight seal at roof penetrations (i.E. Plumbing, chimneys, flues), which are prone to leaking and should be re-inspected annually.

Skylights

Skylights, like flashings, are prone to leaking and should be re-inspected annually.

Chimneys

Chimneys are very susceptible to the elements and usually are not completely visible due to location and height. Spalling of masonry units is a common problem in cold climates. Interior flue linings often are not visible especially if equipped with a cap covering to prevent downdrafts or screening to prevent sparks. Chimney parging conditions should also be inspected and reported.

Gutter Systems

Gutters carry rain water off the roof and away from the foundation. Often they become clogged with leaves and other debris, or will develop sags and / or leaks at the joints. Gutters need periodic maintenance and cleaning.