Is single ply roofing good?
Single-ply is wide width sheeting meant for low slope roofs. Single-ply roofs have far fewer seams than asphaltic rolled roof systems and don’t require dangerous torches or hot asphalt for installation. They also come with prefabricated detailing accessories that make installation easy.
What is a fully adhered single ply membrane?
So what exactly is a fully adhered single ply roof? Well, simply put, this is a roof system that is held in place with adhesive. In the past, it has been necessary to secure roof membranes with hot melt adhesive, but new technology means that a single ply roof membrane can be fully adhered, by applying cold adhesive.
What is the difference between built up roofing and single ply roofing?
Built-Up Roofing Most BUR systems last a bit longer than their single-ply counterparts, which already last for up to thirty years. Contractors usually lay up to five alternating layers of bitumen (also called asphalt) and reinforced surfaces.
How long does a single ply roof last?
between 25 and 40 years
The quality of single ply roof membranes Using the highest quality raw materials, means that single ply membranes are incredibly long lasting. These normally have a life expectancy of between 25 and 40 years which is in line with the service life of the building.
How are single ply roofing membranes secured to a roof deck?
How are single-ply roofing membranes secured to a roof deck? Most single-ply roofing membranes are secured to a roof deck using fasteners and plates that are specifically meant for this type of roofing installation.
What is fully adhered?
Fully Adhered roof systems have been installed since the mid 1960’s. They are known for being aesthetically pleasing and having the least amount of membrane fluttering, since every square foot of membrane is bonded to the insulation.
Can single ply be laid flat?
Single ply roofing systems are one of the most popular of flat roofing materials, particularly advantageous if the project has weight and load bearing considerations.
How do you clean a single ply roof?
Cleaning should be done using clean water (a mild household detergent may be added) and a soft broom, and hosed with clean water upon completion. The local authority should approve the use of any detergents that may wash into the drainage system.
What is the difference between TPO and EPDM?
TPO is a blend of polypropylene and ethylene-propylene rubber. EPDM stands for Ethylene Propylene Diene Monomer. It is a synthetic rubber derived from oil and natural gas (ethylene propylene).
Which is better EPDM or TPO?
TPO has better dimensional stability than EPDM. EPDM is more likely to shrink which can cause a variety of problems on your roof.
What is single ply membrane made of?
synthetic polymer
Single Ply is a complete roof system. It is created from strong and flexible membranes composed predominantly of synthetic polymer. The thickness of single ply membrane is in the range 1.1mm to +2mm. Some products are homogenous, others are reinforced with glass fibre or polyester, depending on the application.
What is a fully adhered roof system?
Similar to mechanically fastened roof systems, the rolls in a fully adhered roof system are bonded together based on the roof system type. For example, in a fully adhered EPDM roof system, after the first roll is glued down, the second roll of membrane is rolled out next to the first roll.
How many fasteners are on a fully adhered roof?
As a result, fully adhered roof systems have fastening patterns of 12-24 fasteners per 4’ by 8’ rigid insulation board, far more than the 5-8 fasteners required for mechanically attached roof systems. The result is that fully adhered roof systems typically have more fasteners installed than mechanically attached roof systems!
What is a single-ply membrane roof?
Single-ply membrane roofs (TPO, PVC, and EPDM) are typically fastened to commercial buildings in one of two ways: mechanically attached or fully adhered (there are others but these are the most popular).
What are the alternatives to a fully adhered roof?
The popular alternative to a fully adhered roof, a mechanically fastened roof, makes use of fasteners to keep the roofing membrane secure. But these fasteners do not account for as much square footage of the commercial roofing membrane as adhesive products do.