Modified Bitumen Roofing is a hybrid of the BUR system, in which the material is made in a factory and put to the roof deck in rolls. The substance is usually modified tar or asphalt with rubber added for better performance. Before applying the modified bitumen, which is done with adhesive, torch, or hot mopping, a BUR roof underlay is typically employed. To safeguard the roofing system, a topping material is usually necessary. This sort of roof has a normal lifespan of more than 20 years.
Ballasted Roofing is a type of membrane roofing that is loosely spread on the roof deck and held in place by the weight of a topping such as tiny boulders or precast concrete pavers. EPDM is a common material for such a membrane (Ethylene Propylene Diene Monomer). An adhesive is used to bind the seams and the membrane. A well-maintained ballasted roof can last for more than 30 years. Our website provides info about Why Customers Choose Rainout Roofing For Their Roofing Needs.
Single-ply roofing systems are made up of single-ply sheets of roofing membrane produced from various synthetic polymers. They are waterproofed by sealing the joints during the installation. While they are often more expensive, you get what you pay for. Single ply membrane roofs can outlast almost any other roof type, but it’s important to choose one with a thick base layer and a durable knit design.
These membranes have exceptional UV and tear resistance, which are two elements that contribute to their extended life. In theory, a single ply membrane roof can last for more than 50 years if properly cared for and maintained. In practise, the better-engineered ones were invented around 25 years ago, and the failure and replacement rate today can be as low as 1%. Green Roofing Systems have been utilised in Europe for millennia to minimise energy consumption and manage the heat in city structures. In recent years, this movement has gained traction in North America.