Andehh Posted January 20 Share Posted January 20 Or drill a very small hole for a horoscope! They are pretty cheap and will do the job. Link to comment Share on other sites More sharing options...
Garald Posted January 20 Author Share Posted January 20 Sorry, what kind of device is this? I can't find any information about it (because of astrology). (Spelling?) Link to comment Share on other sites More sharing options...
Andehh Posted January 20 Share Posted January 20 Sorry, my bad spelling!! Borescope / inspection camera. However, what you'll probably find will be several inches of gap along the top insulation wise, so again consider where you cut the hole (central?) so that it gives you good access to resolve. One big access hole is easier to repair then several small ones. This sort of thing.... Inspection Camera USB Endoscope,7.9 mm Borescope Inspection Snake Camera IP67 Waterproof, Semi-Rigid Cord with 6 LED Lights,Tube Sink Pipe Drain Camera for Android, iPhone, iPad(9.84FT) https://amzn.eu/d/71FhiP2 Link to comment Share on other sites More sharing options...
Garald Posted January 21 Author Share Posted January 21 On 20/01/2024 at 08:21, Andehh said: Sorry, my bad spelling!! Borescope / inspection camera. However, what you'll probably find will be several inches of gap along the top insulation wise, so again consider where you cut the hole (central?) so that it gives you good access to resolve. One big access hole is easier to repair then several small ones. This sort of thing.... Inspection Camera USB Endoscope,7.9 mm Borescope Inspection Snake Camera IP67 Waterproof, Semi-Rigid Cord with 6 LED Lights,Tube Sink Pipe Drain Camera for Android, iPhone, iPad(9.84FT) https://amzn.eu/d/71FhiP2 Thanks. So, wait, I should take it for granted that the insulation has slumped enough that it is ineffective (because non-existent) at the top, and so I should carve out a hole in the middle? At any rate, I think the solution is clear: 1. talk to contractor, be shouted at by contractor 2. Order a sharp tool, an endoscope, and one of those Italian cork-lined panels (3cm cork, 1.5cm plasterboard, I think?) 3. Bore hole, take pictures, show to contractor who most likely will do nothing about it (though he did come back and fix a gap under a beam once I insisted enough times that it had to exist - wasps were coming through it). 4. Wish I had a tool to blow more cellulose in 5. Pay a handyman to cut the cork-lined panel to just the right size and paste it on the wall. Or become that handyman (doubtful). 6. Either paint the cork-lined panel with exactly the same shade of Polish clone of Farrow&Ball that was used for the low walls, or cover it with that nice William Morris wallpaper that my girlfriend detests. Sounds good? Link to comment Share on other sites More sharing options...
Andehh Posted January 21 Share Posted January 21 I would probably drill a couple of 10mm holes and poke borescope through, taking pics. That will PROBABLY reveal a slump in Insulation. Buy a multi tool and cut a couple/few of 12 x 12inch sized holes (trying to avoid any wood supports/batterns) to enable me to push rockwook strips in, and using a pole push it either side of the few hole cut. Cut one hole and experiment to see how many holes you need to push rockwool. Patch holes by gluing/screwing recessedwood batterns across, then glueing/screwing plasterboard back into place. Fill, sand, fill, sand paint. If it looks poor, go with corkboard on top. Then sit back smugly over your success, and enjoy the return on investment in 50 years time! Link to comment Share on other sites More sharing options...
Garald Posted January 21 Author Share Posted January 21 Well, for consistency (since I decided not to use rockwool either to insulate walls or the "combles perdues" we are talking about) I would have to push in strips of BioFib Trio, which is what I've used in the walls. I don't think I have nearly enough - I guess I could order more, though pushing enough insulation through half-inch holes sounds like a task for Sysyphus. Link to comment Share on other sites More sharing options...
Andehh Posted January 21 Share Posted January 21 I think you'll struggle with something so rigid. Rockwool will at least scrunch up and can be torn up and stuffed in! Link to comment Share on other sites More sharing options...
Iceverge Posted January 23 Share Posted January 23 I blew EPS beads back into the wall where they fell out with a cheap fireplace vacuum from Lidl. Put a mesh material over the vacuum side of the hose. Fill the hose with beads. Swap the hose to the blower outlet and blow into the hole. Repeat. It was slow but it worked. Link to comment Share on other sites More sharing options...
Alan Ambrose Posted January 23 Share Posted January 23 Sort of 'suck it and see'? Link to comment Share on other sites More sharing options...
Garald Posted January 28 Author Share Posted January 28 Wait, beginner's question: once I bore a small hole (can't find a 10mm holesaw - I guess I'll just take my 8mm masonry drill bit and move it around a bit) and take pictures with the boroscope, how do I seal the hole well? Cellulose may be mostly harmless, but one shouldn't be exposed to fibrous materials, however "natural" (and of coure it's treated with fire-retardant chemicals). Link to comment Share on other sites More sharing options...
Andehh Posted January 28 Share Posted January 28 I'd just use a regular polyfill for that sort of hole, and a painters knife! Let it dry, sand it, do it again, sand it... Until it looks good under a torch (if in visible place) then paint with roller or whatever the original paint was applied with in that area. Link to comment Share on other sites More sharing options...
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