Diagram of single ply membrane roof ballasted.
Roof structure and membrane.
Historically the most common type was a tar and pitch membrane but newer synthetic materials are quickly taking over.
Tension roof structure sun shade.
Generally the insulation or roofing board is mechanically fastened to the structure and then the roof membrane is adhered to create a full assembly that resists uplift.
Membrane roofing systems are fastened directly to the roof structure eliminating the need for gravel.
Membrane roofing refers to a number of different roofing materials.
Tpo membrane is a fire reistant and weather proof roof covering that is often used on flat roofs or domed roofs.
In addition these roofs are often white or light in color which helps reflect the sun s rays and keep the home cool.
Architecture design concept timber architecture architecture details steel trusses roof trusses timber roof metal roof roof truss design wood truss.
The primary job of a roof membrane is to ensure that water cannot ingress into the structure so it can t cause damp and mould.
Timber frame membranes and metal roof membranes are specific to those build ups and boast different properties.
For a flat roof these newer synthetic membranes offer a great leak proof option.
Fully adhered membranes have a higher cost but are less prone to damage and leaks.
This article covers the common problems with tpo warranties and popular brands.