Water damage due to a neglected RV roof is usually not visible until it’s too late. Moisture or water in the RV, swollen or soft walls or floors, de-laminated exterior walls, and the threat of the dreaded “m” word (mold). It prompts you to say out loud “why didn’t I get up there and make sure this didn’t happen!”    Here is an equally depressing situation…you discover a water leak and contact your RV manufacturer or insurance company/extended warranty for compensation of the repair costs, only to have them ask for documentation showing you washed your RV roof, and inspected (and repaired as required) the seals according to the prescribed…