Concrete Flat Roof Drainage Design Guide

Flat roofs aren t actually flat but must slope to drain water.

Concrete flat roof drainage design guide.

Usually a flat roof is built with a slight slope to provide some drainage. Now we come to the part that doesn t make sense. However proper design of such a roof style is required in order to ensure rainwater is drained away from the roof as soon as possible. Roof drains zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax.

Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living. Roof system design life should be a starting point in the selection of roof systems. In western countries the upper surface of the concrete slab is finished off while the concrete is still wet a flat concrete roof is shaped so that it will drain to the drainage points. Contemporary designers frequently aim to produce the same clear and simplified forms that appeared at the beginning of the 20th century but are now free to use a wide range of new materials and construction techniques that reflect present day technology.

When designing a roof it is essential to pay close attention to where the drains are. See more ideas about flat roof roof roofing. Most flat roofs suffer from poor drain locations or drain levels that are high. Having sufficient drainage on a flat roof is vital.

Here a concrete roof may be very roughly shaped. Some pipes are too small to handle the volume of the water. Specific system selection recommendations are given later below. It is critical that the selected system sufficiently satisfy all of the criteria.

Most buildings utilize a minimum 20 year roof design life. Commercial buildings generally have flat roofs. Oct 18 2016 explore style within interior design s board flat roof drainage followed by 164 people on pinterest. Here in bali this is not standard practice.

Implications of sustainable roof design. Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture. Normally a slope of inch per foot is used. Concrete flat roof construction and issues it is now more common to see home designs which incorporate a flat roof in order to make it look both appealing and elegant in style.