Pitch Pans- pitch pans are used to seal around pipes penetrating the roof. When pitch pans are not maintained or they are filled with materials that do not seal well, water will run down the pipe and through the roof. This is the most common maintenance problem on flatroofs today.
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Blown Off Chimney and Vent Caps- High winds can cause these caps to blow off allowing water to get into the pipe. The simple fix is just to install a new cap.
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Standing Water- Sometimes this is due to a clogged or blocked drain but most of the time it is due to poor drainage. If the roof is "dead-level" or if there are low areas, the best way to solve this problem is to install a taper insulation system at 1/4" of slope per foot of roof, and put a new roof over this. If the drain is clogged it may require a plumbing contractor to unblock the drain.
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Deteriorated Mortar- Roof leaks are not always roof leaks. Sometime the mortar in masonry walls deteriorates and falls out allowing moisture to penetrate the wall allowing water to get under the roofing system making it look like a roof leak. Masonry walls can also become porous and absorb water like a sponge. Masonry sealant is the best way to protect brick walls and tuckpointing is the only way to replace mortar that is damaged. (See our partner page for a mason)
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Clogged Drains- Clogged drains can be a huge problem for a low slope roof system. Water backed up on the roof is very heavy and can cause stress to the building, the roof structure, and the roof system. A regular roof maintenance program will alleviate this significant problem.
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