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DIY mortar: how to prepare the mixture of the different types ofmortars, proportions and doses of aggregates and binders to be used.
Few quantities ofMaltathey can be prepared using the classic mason's bucket (capacity 10 - 15 kg) while for large quantities (up to 45 - 50 kg) the dough can be prepared on the ground with a shovel. In any case, for quantities ranging from 45 - 50 kg upwards, the use of a concrete mixer is always recommended. To prepare the mortar with the concrete mixer, we invite you to read the articles:
- concrete mixer, how to use it
- small concrete mixer, prices and advice for use
Thesmall concrete mixersthey are quite quiet, can be moved easily and can be bought on a very low budget. Thereconcrete mixerit makes itself useful to prepare any type of mortar.
As stated, there are different types of mortars and in this paragraph we will analyze the most common types, indicating the proportions and doses of the ingredients to be used.
How to prepare lime mortar
It is used to prepare plasters to cover walls or as a binder for bricks. THEquantitiesto be used, in terms of volume, of lime, sand and water, see a ratio equal to: 1 - 3 - 1. For each volume of lime, three times more sand and the same water are used.
Pour the lime into the bucket and add the dry sand. Mix thoroughly and only when the two ingredients are well mixed can you mix by adding water in small doses. The final dough must be soft and homogeneous.
How the cement mortar is prepared
ThereDIY cement mortarit is very versatile: it is used for masonry works (internal and external), as a binder for external bricks. The proportions, in volume, see the use of cement, sand and water in a ratio of 1 - 4 - 1.
For the preparation proceed as seen for thelime mortar, obviously replacing the lime with cement.
Other details on the quantities to be used for the preparation ofmortarsare available on the page: Mortar, proportions and doses.
How to prepare concrete
TheDIY concreteit is used for foundations and load-bearing structures; very popular is thereinforced concretemade with iron rods. To make concrete you need to respect the proportions 1 - 2 - 4 - 1 between cement, sand, gravel and water.
How concrete is made? Mix the dry sand and gravel first, add the cement and mix again. Only at the end, when the first three ingredients have made a mixture, will it be possible to add water. Concrete is a very consistent mortar.
How to prepare bastard mortar
If thelime mortaris mainly used for interior work, thebastard mortaris its equivalent for external works. Is calledbastardbecause it sees the simultaneous use of two binders, lime and cement.
The doses to be respected, in volume, see the use of cement, lime, sand and water in a ratio of 1 - 3 - 10 - 3. Yes, you understood well, for each part of cement it takes three parts of lime, ten parts of sand and 3 of water.
How to prepare quick-setting cement
It is called quick-setting cement or simplyquick cement, is a type ofDIY mortarvery useful for blocking, in a short time, shelves or other bodies and wall structures.
Quick-setting cement must be worked quickly: as soon as it is prepared, it must be used for its purpose because it hardens quickly. For convenience, prepare it and use it in small doses otherwise you won't have time to use it all.
How to prepare quick-setting cement? The procedure is simple, in volume, add a part of water and double the cement. The proportions to be respected to make rapid cement are 1: 2, water - cement. It will need to be used within 2 to 3 minutes. Prepare it in flexible plastic bowls otherwise it could ruin rigid containers.
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