Roof and Deck Work in Lincoln Park

Because the water usually gets in where the deck is fastened through or onto the membrane below. Deck-over-membrane construction is the most common leak source in Lincoln Park. The membrane can be sound everywhere except at those attachments. Finding it often means lifting part of the deck, so ask how the roofer will get to it.

It can. Foot traffic, furniture, planters and the deck framing all sit on or near the membrane and wear at it, and debris collects underneath where nobody sees it. A deck also makes the membrane harder to inspect. Building the deck on pedestals, and checking under it now and then, both help.

Parapet coping joints open up after decades of freeze-thaw, and water runs into the masonry instead of off the roof. It shows up inside, often at a corner well away from the cause. The fix is at the coping and the counterflashing, sometimes with a mason, not in the middle of the roof.

It can. On 25-foot lots, a taller new building beside an older one creates a new wall your roof now terminates against, and that joint is a common leak point. Debris and dust during construction can also clog your drains. Have your roof checked once the work next door is finished.