Parapet Concrete Flat Roof Detail

What typical detailing methods are used to seal flat roof penetrations.

Parapet concrete flat roof detail.

The construction of the flat roof is similar to that of the timber upper floor. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. To wall sloped roof no overhang ledger support. Concrete coping is provided at top and corbel below it.

Unlike most industry standard roof canales made of wood and sheet metal which deteriorate rapidly in a few short years our fiberspan concrete canales roof scuppers endure the most extreme of weather conditions for many years. The plain parapet wall is nothing but a vertical extension of the wall at the edge of the roof. A canale roof scupper is a spout drain installed in the parapet of a flat roof building to drain rainwater. Although the construction of the actual roof component of a parapet roof is almost identical to a typical pitched roof it is wise to use a greater minimum roof pitch than is recommended by the roof sheet manufacturer to ensure that no back flow of water occurs at the junction with the parapet wall.

It is a general type of parapet which is specially provided for safety concern. The cure for parapetitus is continuity of the control layers and letting things move when they have to move. Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. If an in situ concrete parapet is built instead of a kerb this.

Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm an approved sealant is then applied to the top of the membrane. Concrete subfloor on 3 4 base over 30 lb. Exterior wall parapet rafters prep. Parapet wall so that the edge of the bitumen.

Nov 30 2014 explore alex radford foster s board parapet detail on pinterest. Flat roofs of this type are usually finished in steel roof sheet and fall towards a special type of gutter called a box gutter. Plain parapets are easy to construct and requires low maintenance. Felt or vapor barrier j j joists bear on.

Concrete flat roof 12 1 background most roofs in singapore are constructed. See more ideas about parapet architecture details construction drawings. However careful supervision and control during application is needed particularly in ensuring proper curing of concrete consistent thickness and uniform. Typical methods include banding pitch pockets and cover flashings.