Protected Membrane Roof Assembly

Using standard ballast stone the water in the blue roof is stored within the void spaces of the stone and to the required level above the ballast.

Protected membrane roof assembly.

Placed on top of hydrotech s monolithic membrane 6125 it offers protection from the harsh roof environment. It is the simplest blue roof that can be created. The primary distinction of a protected membrane roof assembly pmra is that the roof insulation is placed on top of the membrane. 1 work included 1 base membrane field see tables 9 1 and 9 2 for acceptable membrane types and application methods.

Protected membrane roof pmr in a protected membrane roof also known as an inverted roof membrane assembly irma the insulation is installed on top of the membrane. It is the simplest blue roof that can be created. If the roof membrane is single ply sheeting e g. This arrangement of roofing materials roof deck waterproofing membrane moisture resistant insulation is commonly referred to today as the protected membrane roof pmr or insulated roof membrane assembly irma.

Epdm pvc or tpo and has been loose laid the sheets can be most likely be cleaned up enough to be sent back to the factory and reformed into lower performance products such as parking curbs or roof walk pads. Roof shims and pedestals and standard roof pavers can also be reused if undamaged. Using standard ballast stone the water in the blue roof is stored within the void spaces of the stone and to the required level above the ballast. Protected membrane roofing installation typical installation the following depicts the typical steps necessary to install hydrotech s monolithic membrane 6125 waterproofing roofing membrane assembly.

A horizontal poured in place concrete substrate. A blue roof can be created on a typical hydrotech pmr protected membrane roof assembly utilizing standard loose stone for ballast. Ballast options and flexibility. Protected membrane roofing installation typical installation the following depicts the typical steps necessary to install hydrotech s monolithic membrane 6125 waterproofing roofing membrane assembly.

A blue roof can be created on a typical hydrotech pmr protected membrane roof assembly utilizing standard loose stone for ballast. Although the theory of a pmra assembly can be adapted many ways the most common form consists of a roof deck a directly adhered or loose laid roof membrane a loose laid extruded expanded polystyrene a loose laid. This is intended to be only an illustration and must not be considered a suitable guideline governing the installation of the products. A horizontal poured in place concrete substrate.

Extruded polystyrene xps is the most suitable type. The insulation may be exposed to water so it should have minimal water absorption characteristics.