Irma Roof System Details

Inverted roof membrane assembly irma inverted roof membrane assembly irma offer superior protection of the roof membrane from foot traffic and mechanical damage.

Irma roof system details.

Irma roofing system irma stands for insulated roof membrane assembly. Gravel and or paving stones. But most of my clientele a good mix of private and public we ve done a lot of work with both new construction and also existing construction in coming up with plans to retrofit existing roofs whether we re removing them and rebuilding them or redesigning them. Irma roof systems are typically used on commercial and large scale residential structures with flat roofs.

In an irma the system s insulation is installed above the waterproofing membrane instead of below. Irma waterproofing solutions for inverted roofs 2 ply system base sheet over concrete system type. Kemper system offers plaza deck and below grade waterproofing systems with single source warranties available. Inverted roof systems are also referred to as upside down roof assembly.

The insulation is weighted down by ballast ie. They are resistant to ice and standing water while offering a proven long term solution of plaza waterproofing. Inverted roof membrane assembly waterproofing options heat weld or cold applied 2 ply 3 ply direct to deck 2 ply 3 ply liquid applied jm sbs base sheet jm sbs base sheet jm sbs base sheet jm sbs base sheet. More generically others may categorize an irma or pmr system as built up roof system or bur.

Kemper system membranes fully adhere to the substrate and are permanently resilient even under extreme climatic conditions. Some references may use the term protected membrane roof or pmr system. An inverted roof also known sometimes as a protected membrane or pmr roof uses the same materials as a conventional roof but places insulation on the top of the membrane. If a pmr system is specified a slip sheet recommended by the membrane manufacturer should be placed between the membrane and the xps to prevent the insulation boards from bonding to the membrane.

Irma can be referred to as an insulated roof membrane assembly. Inverted roof membrane assembly irma systems are used in applications where the membrane requires protection from site specific hazards. Inverted roof membrance assembly irma systems are used in applications where the membrane requires protection from site specific hazards. In an inverted membrane system the coventional membrane arrangement is invereted or turned upside down.

And we say roof covering systems to distinguish it from roof which refers to the entire assembly of the structure etc. These systems are typically applied in conditions where there is extensive roof traffic or to protect from excessive weather conditions such as multiple hail events. Sbs mb roofing systems can also be used in a protected membrane roof pmr sometimes referred to as an inverted roof membrane assembly irma configuration. Invented by dow in the late 1960 s an inverted roof system uses dupont styrofoam brand xps insulation to protect the membrane helping improve the performance and longevity of the entire roof system.