What are pointing and grouting guns made of?

17th March 2020

What are pointing and grouting guns made of?


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		Applicator frame
		Steel The applicator frame of a grouting and pointing gun is typically made from steel. This makes it durable and robust while remaining lightweight and easy to use.

		Plunger arm & drive parts
		Because of the extra pressure it is put under when in use, the plunger arm that runs through the middle of the applicator frame is made from case hardened steel, as are the drive parts. This extra-hard steel makes the plunger arm and drive parts very durable under stress and repetitive use.

		Case hardened steel Case hardening is a process by which the outer surface of steel is fired with carbon to make it stronger and more durable.

		Tube
		Pointing and grouting gun tubes come in a variety of different materials. By far the most common is the plastic variety.

		Tubes also come in metal varieties like steel and aluminium.

		Which is best – plastic or metal? Plastic tubes have the advantages of being cheap and easy to replace. Metal tubes are more durable but will be more expensive and some types of metal may be liable to rust if not maintained.

		If you are using your pointing and grouting gun on a regular basis then investing in one with a metal tube may be beneficial as it should last longer than a plastic tube. For the DIYers, a plastic tube would be sufficient as it is cheaper and does just as good a job. The choice is yours!

		Nozzle
		Plastic Pointing / grouting gun nozzles are most commonly made from moulded plastic. The advantage of a moulded plastic nozzle is that it will produce a uniform flow from its tip, which can always be cut down to make it wider if necessary.

		Copper Metal nozzles are also used and the most common form of this is the copper nozzle. Copper piping cut to size can be fitted to the end of some pointing or grouting guns, and because of its malleable properties the tip can be shaped with pliers to any size or shape. After you are done with it you can bend it into another shape for a different application. After prolonged usage, the copper nozzle may lose its shape and need to be replaced.