You get the quality for which you pay.

Honestly, we've used them several times and we just don't seem to learn from our mistakes. Bottom of the pile for quality. They are the cheapest supplier around but you get what you pay for. Our braai room has six large glass panes in sliding aluminium doors. Two of them replaced by Durbanville glass. The older panels are still in excellent condition 20 years later. The Durbanville glass ones are delaminating after 10. We've also used them for smaller panes and wish we hadn't.