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Howdy Everyone. I'm looking for ideas on how to "deal with" my external window reveals. this week i have been making the formwork to cast my cills which has brought back up an issue I was happily ignoring. To be sensible I need to have the external edge of my windows and doors flush (ish) with my timber frame else all my heat is going to flow into my ventilated cavity. this will leave roughly a 100mm cavity and then either 4 or 9 inches of brickwork. shown here badly now I have never seen how anyone else has got over this with brick. it would be obvious for render or cladding but brick??????? only thing i have thought of so far was to try and emulate this look initially, i thought to render it as they have but then I need to fix something to thin air over the cavity. then I considered using some kind of cement board as that would bridge the cavity well but it would involve painting so not going to happen, the current plan is to use a flush plastic fascia (windows will be white plastic) https://www.roofingsuperstore.co.uk/product/16mm-upvc-magnum-flat-fascia-board-cover-5m-x-150mm-white.html I would mitre bond (superglue) it to the window and ct1 it to the brickwork, the plan would be to still leave some of the brick showing (30-40mm) to hide some of the "discrepancies" of the back wall. anyone else got any good ideas? I would normally just try it but I can't find anywhere without a delivery charge on "flush fascia" so if i buy any i will buy enough to do the lot TIA Ed