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    Cobbled drive jetwashed. Now: re-'grout' (I think) but with what, how?

    Quartz sand used in the end; nice and dry (stocked indoors), not too fine or coarse - 0.6 to 1.5mm IIRC - and brushed in well. Diagonal brushing tip was a good one (thx Halitosis). More time consuming and arduous than anticipated. Couple of tips/notes: - Jetwash hired from an agricultural...
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    Cobbled drive jetwashed. Now: re-'grout' (I think) but with what, how?

    Hi Nige F and Halitosis, Many thanks for the prompt responses. Is there another term for "kiln-dried sand"? In Switzerland here and can't find a direct (French) translation. Cheers, AP
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    Cobbled drive jetwashed. Now: re-'grout' (I think) but with what, how?

    Hi all, Cobbled 30+ years old drive slippery due to moss/lichen now jetwashed. Much cleaner, wow! Quite a bit of material dislodged from between the stones per attached. My understanding is that the stones now risk becoming unstable, and best thing to do is re-'grout' them, eg by spreading...
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    Ceiling removed, roof insulation discoloured. Worry?

    Thank you for your response Tony, If I've understood you correctly - the inclusion of a VB with new ceiling is correct (just behind the fermacell, I believe) - I shouldn't worry about the discolouration of the old stuff - any humidity in existing insulation will evaporate through the roof...
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    Ceiling removed, roof insulation discoloured. Worry?

    Hi roofmonkey, Your first post? Welcome to the forum (if a total non-expert can say that), and thanks for your reply and link. No conversion - it's the original roof, and if I lift a tile I can see the topside of the pavaroof which is seen from below in the second pic. There's about 4"...
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    Ceiling removed, roof insulation discoloured. Worry?

    We've removed the ceiling panels/wainscotting(?) from our bedroom ceiling, in advance of Monday visit by plasterer to fit an additional layer of insulation over the top (or beneath, if you will), vapour barrier, and steel chassis + fermacell, which he'll joint and smooth ready for us to paint...
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    Anyone familiar with Winter Holztechnik machines?

    Many thanks Norcon for the feedback - I hadn't heard of Felder and will take a look. Good thought for combination machine, but unfortunately, I have a long but quite narrow space (2m80 x 9m80) so not enough space to get around a combination machine - table saw will have to be movable for...
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    Anyone familiar with Winter Holztechnik machines?

    I'm looking for compact but decent quality machines to kit out my workshop, for cabinet and furniture construction. Table saw, moulder and planer/thicknesser plus dust extraction to start with. It's not easy finding machines between the domestic/hobbyist types and super-professional levels...
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    Tamping hardcore in an enclosed space?

    Thank you all, guys. No-one around here had heard of an electric compactor, so I picked up a manual one per Simon's and noseall's posts. Good to know that electric ones exist though, thank you John. Best wishes, AP
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    Concrete raft for ~3 ton water tank. How?

    Hi Norcon, Thank you for your response. Access to the crawlspace is through a full height door to the rear of the garage - no need to crawl. The dotted grey line show the approximate original earth level. Tank emplacement (not to accurate scale, but close-ish) per the image; around the...
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    Tamping hardcore in an enclosed space?

    Hi, Separate thread as different topic/angle on this thread: //www.diynot.com/forums/building/concrete-raft-for-3-ton-water-tank-how.380075/, where I seek advice on construction of a sturdy concrete raft in an enclosed space. How can hardcore be adequately compacted, given that...
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    Concrete raft for ~3 ton water tank. How?

    Hi all, I need to build a raft to support a heat reservoir for solar thermal installation. The cylindrical tank weighs 350kg empty, capacity 2240 litres; height 2m10, diameter 1m10 (plus 20cm thickness insulation). The tank will be sited beneath the house in the crawl space, where I have...
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    Please advise on French drain renovation/replacement

    Thanks again pinenot. Can you recommend any specific geocomposite panel names? Given that there are holes in the wall between the bricks, I assume the catchment panel will need to be pretty much waterproof to avoid ingress. Right? Best wishes, AP
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    Please advise on French drain renovation/replacement

    Thank you stuart - that's very pertinent here: the bricks (breeze block) on the footing are only cemented horizontally, not on the vertical joins (where there are gaps of a few mm). Is this is a standard method, or just corner cutting? Could there be some particular reason to do it (eg stop...
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    Please advise on French drain renovation/replacement

    Hi Pinenot, Thank you for your response. I'm pretty sure in that position it's not supposed to be allowing water out - after all, it's positioned uphill of the house. I think stuart45 is on the right track: it should be collecting any surface water running downhill towards the house (or...
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    Please advise on French drain renovation/replacement

    My property is on a gentle north slope, with a paved patio on the south side (added, I believe, after construction), the patio area is ~10 x 5m. During particularly heavy rain, the south wall (which can be seen from the crawl space) becomes saturated up to the DPC, and rainwater trickles...
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    Recommendations for hydraulic jack?

    Thanks all for the comments and suggestions, esp burnerman for the hint about clearance. best wishes, AP
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    Recommendations for hydraulic jack?

    The winter wheels/tyres went on yesterday, and I'm getting somewhat fed up with cranking my trusty old scissors jack (car is 2000kg). As this gets done twice a year, I'm considering buying a hydraulic jack. Who makes good ones, what's a reasonable price, and what should I look for/avoid...
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    help needed cold house, problems

    Have you looked into getting thermal imaging of the house done? IIRC from when mine was done, it requires a difference of at least 15C between interior and exterior temps to get good results - now's a good time to do it. Speak to your local council, maybe - or search this forum for leads...
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    Making good basement ceiling prior to insulating

    Hi, My office is above the basement garage, covering ~half its area. The office floor is cold, and I'm preparing to insulate the garage ceiling (2 layers overlapped 20mm Jackodur -> 40mm total). Attached image shows some damage to the ground floor slabs, viewed from basement garage...
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