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<blockquote data-quote="Robbo" data-source="post: 745738" data-attributes="member: 256551">Rawlbolts often work in soft brick OK. I usually have 3 different types of fixings to try, one of them usually works, generally its the rawlbolts if all else fails.Two tricks I use with them (in addition to having the hammer action off), is to bung some cable tie ends down beside the rawlbolt as inserting it, to give it some grip. Secondly, do it up with no mount, then you can hold the 'rawl' part of the rawlbolt still, until it gets a grip (poke a screwdriver or something down the side of it).Also, once a fixing fails to tighten properly, the next&nbsp; mechanical fixing that goes in that hole needs to a larger diameter.Those powdery light grey coloured aerated blocks are one of the worst, nylon plugs don't tend to work to well in those, but the rawlbolts usually do. I've not needed to use chemical fixings as yet, but the main reason I haven't is that they have to be left to go off for a while, before putting load on them.</blockquote>

[QUOTE="Robbo, post: 745738, member: 256551"] Rawlbolts often work in soft brick OK. I usually have 3 different types of fixings to try, one of them usually works, generally its the rawlbolts if all else fails. Two tricks I use with them (in addition to having the hammer action off), is to bung some cable tie ends down beside the rawlbolt as inserting it, to give it some grip. Secondly, do it up with no mount, then you can hold the 'rawl' part of the rawlbolt still, until it gets a grip (poke a screwdriver or something down the side of it). Also, once a fixing fails to tighten properly, the next mechanical fixing that goes in that hole needs to a larger diameter. Those powdery light grey coloured aerated blocks are one of the worst, nylon plugs don't tend to work to well in those, but the rawlbolts usually do. I've not needed to use chemical fixings as yet, but the main reason I haven't is that they have to be left to go off for a while, before putting load on them. [/QUOTE]

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