Conventional 4 ply Built-up Roof This roofing System applied since more than 100 years, with plies of Felts and Bitumen, with Vapour retarder, Insulations,Hot Bitumen and Gravel / ballast. Many installations throughout Ontario are with this type of Roofing systems operating since long.
Modified Bitumen Roof The system is Built-up roof with Two plies of Base sheet and Cap sheet with factory manufactured rolls. This system can be applied with Hot or cold applied adhesives. The system performs well with sloped insulation to create a positive slope to handle water.
Thermofusible Single Ply Membranes Thermofusible Single ply membranes, commercially knows as Polyvinyl Chloride(PVC), Thermoplastic Polyolefin(TPO) and few more are factory fabricated rolls, installed on roofs with Mechanically fasten or Fully adhered. Due solar reflection, cost advantage and ease with installation, these membranes are getting popularity during present days.
EPDM Single ply Rubber Roofing Membranes EPDM (Ethylene Propylene Dianne Monomer) rubber membranes are also Single ply roofing membranes available in various thicknesses can be Mechanically fastened, fully adhered or Loose laid Ballasted on the roof or can be used with protected Membrane Roofs.
Protected Membrane Roof Protected Membrane Roof (PMR) or Inverted Roof, this system has roofing membrane installed under the Extruded Polystyrene Insulation to protect the Roofing membrane from UV degradation, thermal shock and foot traffic.