Roof Deck Leaking

Take a look at the deck.

Roof deck leaking.

With a flat deck that won t assist water drainage on the deck or at the base of the elevated piece but it will keep water generally away from the puncture points in the deck membrane under the post base and that does help reduce the chance of water eventually working its way into the vulnerable part of the deck. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will drain and not pond the finished walking surface of the roof deck surface should be below the level of the interior floor by at least 1 1 2 inches. Step 2 fill a caulking gun with a watertight polyurethane or oil based sealant and hold it at an angle to insert the product directly into the gap. If the leak appears to be from plumbing you can cut a small hole in the drywall to check it out further.

The soffit that meets the roof is one of the toughest areas to waterproof. If it s clear it could be from pipes running through the ceiling or walls. Look for cracks in the base of flexible rubber flashing or broken seams in metal varieties of vent pipe flashing the rubber gasket that surrounds the vent pipe could be rotted. A quick inspection of the attic might uncover dark water stains on the rafters or in the insulation or even light passing through holes in the roof.

Leaks in wooden roofs are commonly caused by a gap between the panels which move during expansion and contraction. Identify the location of the leak. Water leakage can lead to ceiling spots or leaks stains on interior walls cracked paint or peeling wallpaper. Examine your roof deck.

One of the most common signs that a roof s decking is damaged is a roof leak. Go into your attic and locate the source of the leak on the underside of the roof deck using the measurements taken from your home s living space. The majority of flat roofing systems existing today cannot sustain constant ponding water and as a result water enters your house and destroys your possessions and property. An ice dam occurs when snow melts and the water freezes when it hits the colder edges of your roof.

What causes flat roof decks to leak. Very often you can find ponding water accumulating on these deck roofs. We are going to get the tiles and the mud ripped and get it re done. Water from leaking roofs and decks is often dirty and will create stains as it passes through drywall.

Alas after one year the deck is leaking badly and the water is getting into the gararge. This roof leaks during the snowy part of winter and during storms in the summer certainly due to poor flashing. Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof. In the photo you can still see signs of an ice dam.