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While PVC MEMBRANE is more expensive than TPO, per square foot of same thickness material, the overall system costs is about the same, or even in favor of PVC. … In the end – since materials and labor costs are the same (or should be the same), TPO does notRead More →

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PVC roofing membranes are inherently fire resistant. Thermoplastic PVC is a naturally fire resistant polymer – a distinction between it and all other roofing plastics. Which is better TPO or EPDM? TPO has better dimensional stability than EPDM. EPDM is more likely to shrink which can cause a variety ofRead More →

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While PVC offers better resistance to puncture and weathering, TPO (like PVC) is recyclable and environmentally friendly. … However, TPO is also less resistant to chemicals than PVC, so it is not the optimal choice where grease or harsh chemicals are involved. Which is better TPO or EPDM? TPO hasRead More →

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The substrate under the membrane is either a cover board or the top layer of insulation. How can you tell the difference between TPO and PVC roofing? TPO roofing membranes consist of an ethylene or polyethylene thermoplastic bound to ethylene propylene rubber. PVC roofing membranes are made by polymerizing vinylRead More →

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High levels of TPO antibodies may be indicative of autoimmune thyroid disease. On their own, the presence of TPO antibodies does not necessarily mean hypothyroidism. Instead, Hashimoto’s is the most common cause of hypothyroidism. What are the symptoms of high TPO antibodies? Hashimoto’s disease typically progresses slowly over years andRead More →

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The term TPO stands for Thermoplastic Polyolefin. Believe it or not, TPO is actually in a broad family of rubber roofing materials. TPO is a blend of polypropylene and ethylene-propylene rubber. … It is a synthetic rubber derived from oil and natural gas (ethylene propylene). What is the difference betweenRead More →

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Ethylene Polypropylene Diene Monomer (EPDM) is one of the most versatile rubber roofing options on the market. Considered to be one of the best materials for flat roofs, rubber is a popular choice for industrial and commercial applications thanks to its ability to withstand extreme weather conditions. Are EPDM andRead More →