Skilled masons professionally cap mortar damage in your home by raking out degraded mortar joints between the brickwork. After that, fresh mortar will be applied. In this way, specialists in house repointing in Sheffield, for instance, protect your home’s structural integrity, keep damp out of its walls, and prevent frost from entering the empty spaces of brickwork and shattering them.
In short, by hiring a team of skilled repointing professionals, you can avoid the incredibly costly structural repairs that could be needed in the future.
How Repointing Experts Help Your Home?
You have to understand that the mortar on the brick walls of your home is not only acting as a glue that binds one brick to another. Mortar also acts as a sacrificial element in a brick wall that, by design, is slightly softer than the bricks.
The secondary role of mortar is to draw moisture out while bearing the brunt of ever-changing weather cycles.
As the decades roll by, the wind, rain, and freezing winters erode the mortar from brick walls. If left untreated, a brick wall will be riddled with gaps that fill with water when it rains or snows. When the trapped water freezes and expands, the brick faces will be snapped clean off – a destructive process known as spalling. Experts of house repointing in Sheffield, for example, are quite familiar with this, which is why they reapply fresh mortar to a brick wall using a precision-backed, multi-stage method.
The various stages of the repointing process, followed by experts, are listed below.
Preparing the Canvas: Raking and Cleansing
New mortar never bonds with crumbling debris. That is why repointing experts rake out failing joints until a uniform depth of around twice the joint width is reached.
What tools do repointing experts use to rake out old mortar from a brick wall?
Repointing experts use hand chisels or dust-suppressed oscillating saws. These precision tools ensure that, while removing old mortar, repointing experts do not nick the brick surfaces in the targeted area.
After removing the old mortar, the joints are then brushed and then flushed with water in a bid to remove every last bit of dust. The dampening effect also prevents the surrounding bricks to aggrssively suck out the moisture from the freshly injected mortar, thus preventing the new mortar from cracking and failing prematurely.
Formulating the Perfect Mortar Match
To achieve a seamless finish, repointing experts use their deep understanding of material science.
That is why, when repointing a historic home, they refrain from using modern Portland cement, as the resulting mortar will be too hard and impermeable.
Thus, walls made of old soft bricks will start trapping water inside them.
To treat the walls of a period home, repointing experts would mix traditional lime mortar while fine-tuning the aggregate sand to match the local flexibility, texture, and color of the original masonry.
Hence, when it comes to restoring the masonry walls of a heritage property or a modern suburban home, always call in repointing experts, as they can get the mortar blend just right, thus leaving the brick walls capable of flexing.
Precision Injection and Joint Finishing
After the cleaning and mortar mixing are done, the final step a repointing expert follows is to pack the mortar tightly into the joints in layers, using specialised pointing trowels to compress the mortar mixture before injecting it into the target area. Why is compression important here? Compressing the mortar before injecting it between bricks ensures there aren’t any hidden air pockets.
After that, the expert would give the restored masonry walls the finishing touches that ensure the restored property retains its period-correct appearance.
Safeguarding Your Home for the Next Generation
Repointing is an important part of property ownership. Just make sure the repointing services are offered by reputable contractors like Chesterfield Pointing And Brickwork Ltd. They will surely help to beautifully refresh your property in no time. To learn more, connect with a repointing expert of your choosing today.