Hopefully your glazing business already has a website but if you don't, or your business is just getting off the ground, Google's My Business website tool is a great starting point for you. It's a free tool and has limitations but it's a good way to start building your web presence, especially if your business is new.
First you'll need to get yourself set up on Google My Business — we wrote a blog post awhile back with instructions on how to do this. If you go through that process, Google will prompt you to create a website at the end of it. If you've already listed your business on Google, head over to this link to start building your website.
In terms of the look of the website, there are a range of template themes to choose from. They are all reasonably clean and modern but they are unlikely to exactly match your business' brand perfectly. If you're after something more custom, this service isn't for you (you may want to consider something more customizable such as WordPress).
Other elements you can add to the website:
Before you can publish the website, you will need to verify that you own the listing. The URL you'll get is a Google one but you can customize it a little:
Hopefully this is a useful starting point for getting your glazing website up and running!