TW builds a bike shed

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NotThamesWater

This is what it will mostly look like, except that I have decided to put a living roof, which will need a bit of shifting around of the trim around the roof

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hugo7 in reply to @NotThamesWater

living roof

Do you have any more details on this? It's something that really appeals to me.

So would be interested to understand how you're going to deal with the weight, moisture, etc. And what the life expectancy is.

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Polygon in reply to @hugo7

Last time I looked in to it you can buy pre-grown rolls of sedum that come like turf. That's probably the easiest and most expensive way. Cheapest being growing from seed, but I think it takes a good year or two to establish

@TW are you putting OSB on the frame before the cladding?
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NotThamesWater in reply to @hugo7
Do you have any more details on this?

There's a couple of options that I'm looking at, but it's basically
- Double layer of pond liner
- Water drainage / storage sheet
- Filter / protection fleece
- Expanded clay aggregate
- Probably a mix of basic compost & Innes No. 3
- A mix of established plants & some seeds
There's will be cutouts for any excess water, and guttering to channel it away.

I should probably do some maths on the weight, and ability of the roof / walls to support the weight.

The rafters / studs are 2x4s on 360mm centers, and the roof has a span of 1440mm. Back of the envelope calculations, finger in the air & wishful thinking suggests that I should be OK by an order of magnitude.

As to how long it will last - the roof, or the whole thing? Quite a while, I hope...

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