I've been thinking about buying double glazed glass panels to fit directly into a timber frame building, rather than buy uPVC units. I don't need them to open and I'm wondering if it's as simple as building a rebate to hold the panel?

I've been thinking about buying double glazed glass panels to mount directly into a timber frame building, rather than buy complete uPVC units. I don't need them to open and I'm wondering if it's as simple as building a rebate to hold the panel?