Lifetime of Materials: Difference between revisions
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*EPDM roofing - 12 years per 45 mil [https://roofslope.com/epdm-roofing-membrane-characteristics-lifespan/#:~:text=The%20lifespan%20of%20your%20roof,more%20than%20twenty%2Dfive%20years.] | *EPDM roofing - 12 years per 45 mil [https://roofslope.com/epdm-roofing-membrane-characteristics-lifespan/#:~:text=The%20lifespan%20of%20your%20roof,more%20than%20twenty%2Dfive%20years.] | ||
*Structural HDG steel - 73 years '''to first maintenance''' [https://galvanizeit.org/hot-dip-galvanizing/how-long-does-hdg-last] | *Structural HDG steel - 73 years '''to first maintenance''' [https://galvanizeit.org/hot-dip-galvanizing/how-long-does-hdg-last] | ||
[[Category: Deep Time]] [[Category: Materials]] |