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So for example, if a soft lime-based mortar was originally used, the most appropriate repointing mortar is likely to also contain a large amount of lime. [4] Restoration (before and after) of a Georgian brick facade in Limerick, re-pointed in Irish Wigging, using hybrid lime mix mortar, after replacing damaged bricks with matching salvaged bricks
Lime mortar or torching [1] [2] is a masonry mortar composed of lime and an aggregate such as sand, mixed with water. It is one of the oldest known types of mortar, used in ancient Rome and Greece , when it largely replaced the clay and gypsum mortars common to ancient Egyptian construction.
Tuckpointing was a way of achieving a similar effect using cheap, unrubbed bricks; these were laid in a mortar of a matching colour (initially red, but later, blue-black bricks and mortar were occasionally used) and a fine fillet of white material, usually pipe clay or putty, pushed into the joints before the mortar set. [4]
Lime mortar is considered breathable in that it will allow moisture to freely move through and evaporate from the surface. In old buildings with walls that shift over time, cracks can be found which allow rain water into the structure. The lime mortar allows this moisture to escape through evaporation and keeps the wall dry. Re−pointing or ...
Reclaimed London stock bricks are sought after for decorative and conservation use. The mortar usually used with them in original construction was lime mortar, which is much softer and weaker than modern cement based mortar and can be cleaned off second-hand bricks easily leaving them ready for re-use. Nevertheless, the supply of second-hand ...
This allows design of mortars suitable for masonry of varied density and degrees of weather exposure. Workable It is supplied in powdered form, it is pretty much the same as mixing and working with a modern cement. Mixed to the right consistency, hydraulic lime mortar, render or plaster are beautiful materials to work with.