b'TECHNICAL UPDATEQ4: What type of roofing systems are addressed under this standard, and what is the specimen requirementsfor testing?The roofing assembly consists of a deck androofingmembrane.Itmayinclude componentssuchasvapourbarrieror retarders,insulation,coverboard,etc. Thestandardisapplicabletolow-slope membrane roofs. The way the membrane issecuredtothedeck/structureis as follows: MechanicallyAttachedRoofingSystem(MARS):Asystemin whichtheroofingmembraneis intermittently attached to the deck using fasteners as shown in Figure 2. PartiallyAttached(hybrid)MembraneRoofingSystem (PARS):Asysteminwhichthe roofmembraneisbondedtothe substrateusingadhesivesand minimum of one component below themembraneisintermittently attachedtosupportingstructure usingfastenersasshownin FIGURE 2Example of membrane arrangement and test specimen requirement for MARS. Figure 3 (a).FIGURE 3 Example of component arrangement and test specimen requirement for PARS and AARS.42 ROOFING CANADA FALL/WINTER 2025'