Some of my skirting boards appear to be later replacements, and these have gaps at the junction with the wall. Extra work, of course.Īnd to save even more cash I suppose you could mix your own putty using hydrated lime from the builders' merchant. You can certainly save money by mixing your own mortars and plasters/renders using tubs of lime putty and animal hair from the specialist suppliers, and sand from the builders' merchant. It will shrink, so care is needed and don't try to fill larger cracks or holes this way.Ĭhalk Hill's filler is very fine sand and lime putty, but it is a very expensive option compared with using a ready made tub of fine stuff or making your own up from putty and sand. I've also used neat lime putty to fill very fine cracks prior to limewashing. When trying it trowel plaster into small cracks, the sand in it can scratch the surrounding finish, something avoided by the putty/ PoP mix. I've not tried the plaster of paris and putty mix, but it sounds useful. So long as there is a covering of water on top, it will last for ever, and you can just dip into it when you need it. I find pollyfiller sticks better than lime, especially to wood.Īt the risk of setting off a huge chain of replies on the relative merits of bought lime putty, home made lime putty or powdered lime, I personally find having a tub of bought putty to be a great asset. Like pollyfiller it sets fast so you should only make small batches. This is quite strong, but is very prone to shrinking and needs working as it dries to avoid cracking. It may shrink a bit, so a final finish with your lime filler may be needed.įor filling smaller holes I often use a lime putty plaster of Paris mix. I use a plasterer's joint rule for levelling, using a zig-zag sawing action. Step two is to complete the filling with a 2:1 or 3:2 silver sand to lime putty mix. Key well a few hours later, then leave for a week or so to set. The existing plaster should be well wetted first to reduce suction. The first is with 3:1 coarse sand to lime putty, with some added hair if it is in a stud wall. If the hole is deep as well as wide I fill in two steps. What you describe is exactly what I recently faced with my living room (except that I also had some much larger areas of lime plaster in need to replacement).įor larger holes I use lime plaster.
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