Flat Roof Parapet Wall Metal Top

Flat roofs of this type are usually finished in steel roof sheet and fall towards a special type of gutter called a box gutter.

Flat roof parapet wall metal top.

Modern flat roofs with parapet walls. Unless it is detailed to allow for movement any slight deflection of the roof could cause a break in the waterproofing membrane at the roof parapet wall junction. 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. The coping cap protects the top of the external walls and can be made of anything from brick to concrete to metal.

A common area which needs to be designed and constructed properly is the joint between the flat roof and any parapet wall. The cantilevered roof overhangs have a gravel stop metal flashing piece at the roof edge concealing the slope. Parapet wall cap custom wall flashing metal products custom made to order this unique type of cap is designed to cover the top of parapet walls. A continuous fully adhered air control layer supported by gypsum sheathing on the top of a metal deck.

Height of roofing at wall. Minimum of 12 to top of parapet. The main roof beyond has a coping cap flashing piece over the parapet wall. This insulation should be screwed down to the metal deck.

The system rests flat on top of the parapet. Top of parapet below cap to be sealed with fluid applied flashing. The detailing at design stage is very important. The gypsum sheathing is screwed to the metal deck.

Flat coping offers a complete and attractive finish to any parapet wall. Parapet walls can be constructed using different materials like reinforced cement concrete steel aluminium glass etc. Many buildings have flat roofs in certain areas specifically for air condoning units and etc. A continuous cleat secures the front and the back is secured by a screw.

Do not lap tpo over top of parapet unless required by unique construction conditions. What are the protective solutions for flat roofs. The first example below shows a hybrid of traditional flat roofs. A parapet wall is a low or dwarf wall built along the edge of the roof terrace walkway balcony etc.

Rigid thermal insulation on the top of this air control layer in two layers at least with the joints off set horizontally and vertically.