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Apparently 20 years rubber lasts as Ive done 2 sheds already and have 1 left to do. Felt doesnt seem to last very long compared to it
konastab01-
Apparently 20 years rubber lasts as Ive done 2 sheds already and have 1 left to do. Felt doesnt seem to last very long compared to it
There's some roofing felt on my parents' house that has been there doing its job since before they moved in.... in 1985.
As with most of these things, it's the quality of the install that most heavily influences the lifespan.
Howard
Felt is - for obvious reasons - what literally any roof person can deal with. It's difficult to fuck it up. Safe option. Doesn't last forever, but there's less chance of the fuckers who fit it to mess it up so badly that it fails prematurely. Looks shit and the slate dust / particles that runs off it is really annoying. Can last a long time if done right.
Fiberglass - looks good if done right. Could be repaired with off the shelf stuff. Can take footfall unlike felt so if you want an unofficial roof terrace... Easyier to mold in up stands for skylights / vents / flues etc. Ask your builder for evidence that they have done it before and not fucked it up. Probably better for areas where access is straightforward because pulling it all up when they inevitably fuck it up is a pita.
Resin? God knows.
Did they mention rubber - EDPM? Also looks good, kind of a half way house between felt and fibreglass. Can get fucked by branches falling on it but you just patch it like a tyre. The folks who sell it say it lasts forever but they are probably lying.