Knowledge Center

Pipes for water and heating – what you will find here

Ten expert articles on choosing the material, diameter, routing and installation of pipework – from the very first decision (which material) all the way to the pressure test and servicing. Pick a topic below.

	How to choose pipes for water and heating PEX-AL-PEX, copper or steel? We will advise you which material suits your pipework and why.
	PEX-AL-PEX vs. copper vs. steel pipes A direct comparison of the three most widely used materials in terms of price, service life and installation.
	What pipe diameter do I need A clear guide to choosing the diameter according to the type of appliance and the length of the pipe run.
	Concealed vs. surface-mounted pipework When it pays to hide the pipework in the wall and when it is better to leave it on the surface.
	Oxygen barrier – why it matters A property you cannot see when buying, yet in a few years it will decide the service life of your boiler and pump.
	Methods of joining pipes Compression, press-fit or welding? The advantages and risks of each type of joint.
	Pipe insulation Why uninsulated pipework costs you unnecessary money and how to choose the right insulation thickness.
	Pipe installation – procedure and pressure test Step by step from preparation all the way to the pressure test before the pipework is covered up.
	Servicing and common pipework problems The most frequent pipework faults and how to spot them before they cause damage.
	Frequently asked questions about pipes Quick answers to the questions our customers ask most often.