It depends on the size and thickness of the slates, Bill. You could carry 20
of the slates on our roof. The concrete tiles on the Annex are a little
heavier, but I could probably manage 5 or 6 without straining.
Chris
> On 9 Mar 16, at 19:29, Bill Pearce <billcpearce@xxxxxxx> wrote:
>
> Oh no. Real slate is substantially more. I watched the house across the
> street from the one that was mine get its slate roof redone, and the workers
> could carry only one or two single slates, where they could carry a full
> bundle of asphalt shingles, Slate is rock, asphalt shingles are thin layers
> of paper and fiberglass impregnated with asphalt, not more that an eight or
> so of an inch thick.
>
> -----Original Message----- From: SwissPace
> Sent: Wednesday, March 09, 2016 2:04 AM
> To: Olympus Camera Discussion
> Subject: Re: [OM] Solar Roofs - of course to power Olympus cameras - duh
>
> I wouldn't expect real slate to be much heavier than Asphalt shingles,
> however I guess its in short supply, when had our leaking roof replaced
> about 8 years ago (it had been hail damaged 4 years earlier and not
> properly repaired), they added 30cm (a foot) of insulation and two
> waterproof membranes on the existing beams
> <https://thattimeoflife.smugmug.com/Other/House-Renovation/i-q2mw6RN/A
> <https://thattimeoflife.smugmug.com/Other/House-Renovation/i-q2mw6RN/A>>
> which were designed to take it and up to 1m of snow.
--
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