Flat Roof Parapet Wall Metal Top

A parapet wall is a low or dwarf wall built along the edge of the roof terrace walkway balcony etc.

Flat roof parapet wall metal top. A continuous fully adhered air control layer supported by gypsum sheathing on the top of a metal deck. The cantilevered roof overhangs have a gravel stop metal flashing piece at the roof edge concealing the slope. Modern flat roofs with parapet walls. The system rests flat on top of the parapet.

This is a surecoat systems how to roof. Its job is to prevent water from penetrating into the parapet wall. Flat roofs of this type are usually finished in steel roof sheet and fall towards a special type of gutter called a box gutter. 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.

Rigid thermal insulation on the top of this air control layer in two layers at least with the joints off set horizontally and vertically. Flat coping offers a complete and attractive finish to any parapet wall. Top of parapet below cap to be sealed with fluid applied flashing. The coping cap protects the top of the external walls and can be made of anything from brick to concrete to metal.

The gypsum sheathing is screwed to the metal deck. Height of roofing at wall. 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. Do not lap tpo over top of parapet unless required by unique construction conditions.

A continuous cleat secures the front and the back is secured by a screw. The detailing at design stage is very important. The main roof beyond has a coping cap flashing piece over the parapet wall. Minimum of 12 to top of parapet.

Parapet walls can be constructed using different materials like reinforced cement concrete steel aluminium glass etc. What are the protective solutions for flat roofs. Different types of parapet walls and their uses are discussed below. The first example below shows a hybrid of traditional flat roofs.

This insulation should be screwed down to the metal deck.