Lifetime of Materials

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Revision as of 02:03, 11 June 2023 by Marcin (talk | contribs)
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  • This site claims 20 yr RPE life even in full sun - [1]
  • Butyl tape - 10 years [2]
  • EPDM roofing - 12 years per 45 mil [3]
  • Structural HDG steel - 73 years to first maintenance [4]