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Thermoplastic Membranes

Thermoplastic Membranes products have been around from as early as the 1980s. The first Thermoplastic Membranes roofing sheets were introduced in 1989. In the year 1993, they replaced the non-reinforced membranes with fabric reinforced sheets are in use today. Thermoplastic Membranes are the fastest growing membranes in the industry. 

The Elastomers and Thermoplastics
From the 1800s to 1900s the commercial roof systems were dominated by the multiple-ply system. This was due to some reasons including economic benefits, social preference, and its efficiency. Bituminous roofs modified with the polymer are advantageous because they use less material and labour. The roofs are also tougher and flexible compared to asphalt roofing. By using just one ply membrane, the Elastomeric sheets are really cost effective. A combination of the use of ballast and thermal effective polystyrene foam reduce heat and are wind resistant. Also, both materials are recyclable making them even more useful. The Elastomeric sheets, however, have a downside. Not all buildings can handle the weight of the ballast. The sheets are more durable when combined with carbon black. This provides ultraviolet resistance. A combination of these colours isn’t that attractive for roofing. Elastomeric sheets must also be fabricated with tapes and adhesives to provide resistance against weather attacks. When installed properly the EPDM roofs could go for up to 50 years.
Thermoplastic Roof Membranes that are Weldable
When the seams are properly wielded, they become much stronger than the membrane itself. This gives them a durable and long-lasting effect. It is important that the membranes are able to be wielded again as patches may affect the roofing system later on. The PVCs have the advantage of availability in numerous colours. They are also easier to produce and are much lighter. The light colours are an advantage in hot areas as they do not retain as much heat. For dimensional stability, the PVCs are reinforced for compared to the earlier mentioned TPOs. This also makes them tougher.
Why Use TPO for Roofing
TPOs are chemical resistant. They do not absorb chemicals, therefore, making them immune to destructions from chemicals. TPO roofs do not absorb ultraviolet light. This creates a cool environment in the building. For corporations, workers get a conducive environment for working in. Hence, it boosts workers’ productivity in these environments. TPO roofing is also cost-efficient. You don’t spend as much in ventilation and air conditioning.
Puncture Resistance
TPO roofing is strong, and this prevents dents in the roofing from falling objects. The thicker the roofing the stronger it is. Going for a thicker roof increases its puncture resistance.
Installation Compatibility
The roofing is compatible with solar panels and green roofs. A combination of TPO roofing and solar energy is the best way to make your building energy efficient. Green roofs serve as water buffers and also increase the efficiency of solar panels. Using both on your roof is the ultimate way to maximise on energy efficiency and TPO roofing advantages.
Longer Life Span
TPO roofing has a long life span. They can last up to 30 years considering favorable climate conditions and care of the roofing. With TPO roofing becoming a growing trend, it is imperative to invest in a trusted professional for its installation. This will not only ensure they instal it right but also the materials used are authentic and reliable.
Cost Friendly
Compared to PVC roofing, the TPO is way less expensive. If you are looking to cover a lot of roofing space, then the TPO is by far more preferable because of its cost friendly nature compared to PVC roofing.
Shortcomings of TPO Roofing
Due to shrinking caused by exposure to UV rays that causes stress on seams, there is the issue of repairs as a part of maintenance.
The possibility of Water Infiltration
The contractor must ensure that they calibrate the welding machine properly. Otherwise, the seams may get really close and cause water to penetrate.
Limitations to Colour Options
TPO roofing comes in two colours white or grey. For those looking to have a diversity of choice when going for roofing options, the TPO isn’t the best option here.
Lack of Prolonged Experience
The TPO roofing hasn’t been around for very long. There’s a lot of room for research and improvements with this type of roofing. If you want to go for a well experienced and researched roofing option, the TPO may not be the very best option.
TPO roofing if installed properly could be really beneficial compared to other roofing options. The TPO has its share of disadvantages but if you want to go for efficiency in energy and cost; the TPO is an option to consider.