The hi-flow nozzle is ideal for large cavity masonry pointing
One of the most time consuming and messy pointing jobs has always been the mortar repair of deep joints and stonework. The PointMaster tool takes this in its stride.
The fast flow rate and positive feedback through the handle as you are using the tool enables the PointMaster to be extremely effective when pointing flint or sandstone walls or any other deep joint mortar application.
Watch the video to see that when using the PointMaster to take on this awkward pointing challenge, excellent results are easily acheived.
About this stonework repair video filling deep joints.
This short video shows the mix, application and finishing of a modern reproduction flint wall using the Point Master tool with cement mortar.
It clearly indicates how easy the Point Master makes this previously difficult job. The most common alternative technique is to throw the mortar onto the wall with a trowel or hawk.
It is important to evaluate what the existing mortar is made from before attempting a repair and to ensure that similar materials are used. Doing this will ensure the aestetic, performance and durability of your repair.
More information on mortar can be found at https://en.wikipedia.org/wiki/Mortar
Heritage deep-joint repair with hydraulic lime mortar.
Results are achieved faster and much more accurately than by traditional methods, where the mortar would have to be "thrown" into the joint manually from a trowel.
Because the Point Master is designed to ensure a complete fill of the mortar cavity "from the back", the mortar recess is always completely filled. This ensures the best repair in the shortest time.
When repairing or re pointing deep joints or stonework, always remember to remove all the loose and powdery mortar back as far as safely possible, then dampen the cavity and existing mortar before you start, to ensure the best adhesion.
How we made the mortar in the stonework video
As this wall is a modern reproduction, the use of 4:1 cement mortar is used.
Mortar is mixed starting from the dry parts and a good quality liquid plasticiser is added at the start of the mixing process. This liquid plasticiser is added directly to the mix and NOT into the water.
Water is then added gradually between stages of vigorous mixing.
Other additives and pigments are also compatible with the Point Master. Here we also add a weatherproofer additive.