Parapet Wall Rubber Roofing

In many bearing walls where roof framing members are set into beam pockets the parapet is a continuation of the masonry wall below.

Parapet wall rubber roofing.

The omittance of the termination metal leaves an opening at the top of the coping and allows for moisture infiltration at the space between the parapet. Parapets can also hide unsightly roofing material or equipment that is placed on the roof such as vents. A parapet wall is a low or dwarf wall built along the edge of the roof terrace walkway balcony etc. Top of parapet below cap to be sealed with fluid applied flashing.

Different types of parapet walls and their uses are discussed below. The outside of the parapet wall will have a similar finish to the rest of the exterior walls. Minimum of 12 to top of parapet. Height of roofing at wall.

Do not lap tpo over top of parapet unless required by unique construction conditions. Apply water cut off mastic to the back of the angled flange and then push the outlet through the opening until it meets with the parapet wall and the roof surface. When a roof is abutting a wall at the perimeter of the roof allow 2mm per meter for the distance that the roof protrudes from the wall for expansion purposes. Xmm gap in diagram above one piece rubber roof fully adhered.

A critical and often overlooked design detail is at the termination of a parapet coping at a wall. In this case the capacity of the parapet depends on the bond strength condition of the masonry at the point where the roof framing members engage the wall. They can also improve the proportions of a building by increasing the apparent height. The perimeter of the roof assembly insulation is wrapped to prevent interstitial airflow from the parapet into the multilayered rigid insulation of the field of the roof.

The cure for parapetitus is continuity of the control layers and letting things move when they have to move. Parapet walls can be constructed using different materials like reinforced cement concrete steel aluminium glass etc. Install the epdm rubber as normal for a parapet wall finish.