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| Description | Lasts | Looks | Benefit, short term | Benefit, overall | Cost, or... | Time | Energy |
|---|---|---|---|---|---|---|---|
| Temporary roof | 5 years | Meh | most | least | $ | TT | E |
| EPDM roof | 50 years | OK | some | some | $$ | TTT | EE |
| Tiled roof | 100 years | Niiiice | some | most | $$$ | TTTTT | EEEE |
| Solar roof | ? 20 years? | ||||||
| metal sheet (Trapezblech) roof | ? | ||||||
| Thatched roof | 20-60 years | very nice(maybe not on a train station?) | some | some | 50-110€ üer m², danger of fire | TTTT? | EEE? |
Since money is a scarce resource, matters involving it are non-trivial and using it requires some thought. Finding creative options and estimating relative benefit, financial cost and/or contributor resource as a general recommendation (see Social Architecture). Contributors could be trusted to spend money up to a certain level and have it easily reimbursed. (We should see how Niederkaufungen do this stuff)
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