The following guidelines are considered to obtain maximum life from a roof. Check List Trim trees to prevent scuffing of the roof shingles by branches. Be careful not to puncture the roofing material when installing accessories. Promptly replace damaged shingles. Do not walk on the roof.
Check valleys annually.
Look for torn, worn out or lifted parts. Maintain adequate ventilation in the attic area, Poor attic ventilation can cause severe damage. Be alert to ice dams which can form over the gutters and on the eves. Information provided by ProForce Real Estate . Voted best news site in California and Nevada by the Associated Press Television and Radio Association.