Different shadesThese pre-dosed products take on the appearance of plasters and plasters of yesteryear, with hues and texture clearly more warm and aesthetic than those of cement-based plasters which often make ugly old houses which have been the subject of a renovation. Some manufacturers produce lime mortars on demand, studying the characteristics of regional plasters and using local sands.
Prepare it yourselfAnother solution is to prepare a lime-based façade plaster yourself. Companies specializing in renovations and old-style plasters offer aggregates (sands, grains, chips) and fillers allowing the preparation of various types of plasters (smooth or scraped) of different shades. The dosage of a lime mortar is the same as that of a conventional plaster mortar, about six parts of sand for two parts of binder.
Tools & materials• Trowel
Pointed toe float
Trough to spoil
Mason's anchors -
Old fashioned plaster
Glue for mortar
The order of the worksA traditional mortar can be made in three stages:
Gobetis: it is the grip layer, quite thin, projected on the support (brick or stone), left rough so that the next layer holds better.
Body of the plaster: intermediate layer with a thickness of about 15 mm, erected and smoothed.
Top coat: thin layer, erect and smoothed. We can be satisfied with two layers (first two stages), the body of the coating being scraped or smoothed for the finish.