Almost cladding

Today – looking north from the workshop – torrential rain spouting off the gutterless roof.

I’m looking forward to actually fixing some larch boards on the walls for the protection and the visual transformation it will bring, but preparation continues. Since completing the reveals of three windows I’ve been pushing on with battening and fire-stop. The latter is now finished and the battening, stained a delightful blue that comes off on your hands, is done on all but the lean-to. Battening has not been without its challenges, the greatest being how it highlighted the unevenness of the external corners; the counter-battens were not all dead plumb and their faces were not aligned. To some degree this can be corrected by tightening or slackening the screws that hold them to the underlying house structure, pinning the wood fibre insulation between, but the underlying insulation of the gable ends seems to protrude beyond that of the side elevations so there’s a step of about a centimetre. In addition there were no counter-battens on the corners because there’s nothing solid at the corners to fix them to, so I added them as ‘floating’ uprights, supported by all the battens from the two adjacent walls. The multi-tool again proved invaluable and I used it to rebate either the floating counter-battens or the battens.

If I started this process again I’d make sure there was an agreement about the verticality of corners as left by the builders – part of my difficulty lies in recognising what I’m dealing with and knowing the options open to me – to be fair, I don’t think the builders realise where what they leave will cause me a headache. There’s a somewhat unpredictable and elastic gap of understanding between us…

Window reveals – I’m sure there are different methods, but this is what I was shown, given the general lack of handy structure to fix to:

1. Cut and nail pieces to fit tightly between overhanging battens and window frame – additional batten above window with similar pieces wedged and nailed.
2. Select packer faces for sides and head – screw these to the previously fixed pieces. The thickness is selected to allow the larch to fit between them and the metal window frame, preferably with a couple of millimetres clearance between window frame and larch for moisture to escape. Screw the packer faces in place.
…but on the big sliding windows there is not space for the batten, the packer and the larch…
3. Fit the sill – it’s a tight fit between the packer faces, sits on a loose batten at the back and a batten fixed along the front. The sill is screwed down from its top face or up through the bottom batten. 4. The sides are cut at an angle to suit the slope of the sill – ours work out at about thirteen degrees – and they hold the head in place, though it is also screwed to the packer above.. Compriband expanding tape is used to help weatherproof some of the joints – along the back of the sill and along the bottom and back of the side reveals. There is mastic at the junction of sill with six packers. All screws in contact with the larch need to be stainless steel.

Before cladding the south gable I have to fix the reveals on the three and a half metre long sliding window. That in itself is a bit of a challenge, partly because of the size of the pieces of timber involved, but also because I have no spares and without a sill to form the bottom of the construction I can’t see how to fix the bottom of the sides in place… Andrew and Ali are coming over tomorrow to take the hinges off the broken skylight so I’ll ask him…

Intumescent board – fire-stopin action. I had a slim off-cut and was interested to see it get hot, so we got the blowtorch on it.

A 12mm off cut of Tenmat FF 102/50 Ventilated Fire Barrier. It comes as metre lengths and can be scored with a sharp blade, snapped and cut. The foil covers all surfaces.
Plumber’s blow torch…
The material glows and expands as a mass of fine, black, worm-like threads.
24p worth of fire blocking ash.

Nature and stuff – Tash has bought, filled and hung numerous bird feeders where we can see them from the windows. That wasn’t good enough so now there are three, each within centimetres of a window. There are surprising numbers of blue tits, many great tits and a pair of coal tits. Long tailed tits appeared today but not at the feeders. Two neighbours have reported a merlin… When will the first siskins and redpolls come? Yesterday about a mile along the Kilberry Road Tash saw a red squirrel.

Rainbow ends in room with a view – a pot of gold perhaps?

Published by nickjtj

Sea kayaker, camper, landscape architect, strummer, observer. Concerned earthling.

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