Stone walls also look better with age.
Lime mortar mix for stone walls.
Natural hydraulic lime mortars gain strength by a mixture of hydraulic action and carbonation.
Type n mortar mix has a medium compressive strength and it is composed of 1 part portland cement 1 part lime and 6 parts sand.
A stone wall can give your garden timeless appeal.
The lime mortar should always be softer than the stone and generally i use a 4 1 mix.
A how to practical guidance video on pointing a wall using traditional lime putty mortar.
Lime is also a natural fungicide so the wall will remain looking better for longer.
Lime mortar today the use of lime mortars is popular in a wide variety of stonework constructions from stone walls to stone building restoration and new build stonework as the damage to stonework caused by the use of portland cement based mortar in traditional construction and repair techniques has become much more widely appreciated.
Generally lime mortar mix ratio for brickwork ranges from 1 3 to 1 5 depending on the strength.
The following video shows the mixing process.
Lime mortars for lime pointing are generally softer and more porous compared to mixes using cement therefore allowing moisture to evaporate from the joints more freely.
Allow for adequate mixing time mortars will become more plastic and wet as they are mixed.
It is more expensive than using portland cement but if you have taken the time to use lime with the house it would be a shame not to have a matching wall.
A lime mortar should be stiffer and stickier for repointing hard impermeable stone and more workable for more porous stone.
It is considered to be a general purpose mix useful for above grade exterior and interior load bearing installations.
Adding mortar makes your wall stable and takes the worry away.
Roundtower lime are a supplier of premium lime products to the conservation and eco build construction sectors.
Lime mortar mix ratio.
It is important to be careful with the mix proportions of mortars.
It is also the preferred mortar mix for soft stone masonry.
Whether you re looking to build a wall for a raised garden or a small retaining wall a stacked stone wall can offer elegance without a lot of expense.