Build diary – week thirteen, ready, sedum, go…

With great pleasure, I am handing this blog over to Whistlewood volunteers. If you would like to contribute, you can write your own piece as Chris has or send me notes using the contact page or via Whistlewood.

By Chris Gregson – 20th August to 24th August.

The guys have been cracking on with the veranda roof this week whilst I’ve been building a box to house the electrical kit underneath the veranda roof.
But we can at last remove the blue tarpaulins from the veranda roof as the GRP (Glass Reinforced Plastic or fibreglass) waterproofing is applied and finished. This tough coating provides the base waterproofing for the sedum matting that sits on top of the veranda, to be installed later.

osb roof

The roof is made up of sheets of OSB board and edged with pre-formed GRP pieces.

grp stripsP1010357

The joints are reinforced with GRP strips and the glass fibre matting is then applied and sealed down with resin.

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Once this has cured (in a couple of hours) the roof is in effect waterproof but doesn’t look that good. The final touch is to give it a couple of coats of coloured (grey) resin which, although you won’t see most of it, gives the whole thing a ‘finished’ look.

P1010364P1010365

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One roof done, one more to finish, the Cedar shingles are due to arrive on Wednesday next week and the Lantern the following week. Now that the weather has returned to a normal British summer we really need to get the Roundhouse watertight.

Chris Gregson

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