The installation process to undermount a sink will vary depending on the type of work top that you have.
Most sinks come with installation guides, however, these can be brief so we do recommend that you seek professional advice.
Fixing clips are normally provided to install the sink but often templates are not as it is best practise to use the sink itself as the template to ensure the best fit. Some sinks may allow for fitting the bowl directly to the worktop, if this is not the case then a plywood template can be made to the size of the sink. This will effectively sandwich the sink flange, when addressed to the underside of the material. We recommend the use of a sealant between the flange of the sink and the worktop to avoid any water ingress.