Both TPO and EPDM roofing is used on flat roofs throughout North Dakota. All flat roofs have some slope, so they are also referred to as low-slope roofs. The major differences between these roofing systems are as follows.
TPO roofing is a laminated roofing membrane that sometimes has fiber added to it. If it does, the TPO is then a fabric reinforced roofing system. TPO is generally more cost-effective than EPDM.
EPDM roofing is a rubberized roofing membrane. The white-on-black version has a laminated layer to reflect heat. Black EPDM is often coated with a reflective white elastomeric coating to increase the energy-efficiency of a building.
This is a hard question to roofing answer without looking at your roof, and the answer truly does depend on the roof type you own and other factors. You can get a free roof inspection in North Dakota from our roofers at Metal Masters Construction. However, there are some general signs with asphalt shingles which indicate that you need a roof replacement.
One of the major deciding factors is when repairs are no longer as cost-effective as a replacement would be. Look for these signs of aging shingles on your home's roof:
Ice dams build up along your roof line because of missing insulation along the roof and exterior wall cavity areas or because of poor attic ventilation.
As the weather here in North Dakota dumps snow on our roofs, the melting runoff will freeze again when it hits a cold spot on the roof. If some insulation is missing near the exterior walls and attic roof, this area stays colder than the rest of the roof, and voilà - you have an ice dam!
While they are pretty, they are really bad for the roof and quite dangerous for you. We can solve the ice dam problem for you once and for all, just call.
An annual roof inspection is a good idea if you own a home in North Dakota and want a solid roof over your head. However, you should also schedule a roof inspection after any concerning hail storm or wind storm so we can spot the damage early before it turns into a major problem. Commercial roofs should be inspected about every six months as a regular part of roof maintenance.