|
50 years warranty |
needs
replacement every 10-15 years |
| maintenance
free |
needs
constant repairs/ maintenance |
| no
animal penetration |
provides
easy excess for animals to attic |
| recyclable |
creates
landfill waste |
reflects
heat / provides sufficient ventilation
to keep the house breathing |
attracts
and traps heat and moisture in the house |
| complete
ventilation built-in |
no
sufficient ventilation |
| 20%-40%
decrease in Gas and Hydro bills |
no
energy saving |
| lower
than shingles life
cycle cost |
high
life cycle cost over 50 years |
