Before you commit to DIY installation, be sure you are able to do the job. If you buy your Colorbond fencing and then decide to have it installed, you will probably pay around $50 per hour for installation. Your materials, too, will probably cost more than they would if you chose a Colorbond fencing supplier/installer.efore you commit to DIY installation, be sure you are able to do the job. If you buy your Colorbond fencing and then decide to have it installed, you will probably pay around $50 per hour for installation. Your materials, too, will probably cost more than they would if you chose a Colorbond fencing supplier/installer.