Flat Roof Terrace Waterproofing Details

Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance.

Flat roof terrace waterproofing details. Winkler one material cost may be higher than some liquid applied membranes however the labor cost to apply it is lowered due to the reduced time of application steps and the details treatment. Waterproofing of flat terraces is a tricky problem in building construction mainly because the surfaces are flat. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. The building surfaces are made water resistant and sometimes waterproof.

Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Waterproofing is the formation of an impervious barrier over surfaces of foundations roofs walls and other structural members. Concrete flat roof construction and issues. Totally eco friendly and with a long life expectancy roofing superstore has.

Winkler one is a high performance waterproofing solution for flat roofs that encompasses all the positive features of a liquid applied roof system. The best way to waterproof a flat terrace is to use a waterproofing coating. Some key details for a leakproof rooftop deck are. How to install or repair using sbs elastic bitumen membranes for terraces flat concrete decks in multilayer system.

Flowing and flexible liquid rubber membranes are the painless way to completely waterproof a flat roof that has lots of complex features. Epdm is the best choice for most rooftop decks. Waterproofing of new roofs and terraces excerpts from dr. Photo by dave holbrook.

On top of the membrane a filler material is laid. This is a thin layer of waterproof material that is continuous and offers no path for water to enter the structure. It is also used for many applications not exclusive to rooftops such as balconies terraces. Flat roof installation waterproofing detail construction.

Fixit healthy construction booklet construct your ideas 2012 pp 17 19 24 27 46 1 0 introduction a roof is a covering placed on any structure that protects from weather conditions. This means that the water cannot run off the structure quickly and will move slowly or pool above the surface creating opportunities for leakage. A roof can also be used as a terrace where it is flat and has an entryway built into it. The membrane is laid on top of the structural slab.

Of course you don t need to live in a modern house to deal with a flat roof. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will. The utilization of liquid waterproofing membrane cementitious materials polyurethane liquid membrane and bituminous.