The Skylightguy (Trevor Reid) used to make the kits for both BD & GW. He pitched the product and GW ended up knocking off the product and produce on their own. BD eventually bought out Trevor and now produce the skylights. Trevor had been selling to VW dealers. BD probably took over that business model as well. 

The mechanisms themselves might be coming from European sources. Just Kampers has a long time relationship with Bus Depot. Maybe Ron Salmon can clear that up.

BenT 

On Aug 23, 2023, at 1:49 PM, Ryan Cresawn <jrcresawn@gmail.com> wrote:

My skylight / roof vent in the fiberglass top has developed a small leak.

The previous owner repaired cracks in the plastic frame that houses the gear and lifting mechanism and used a gasket sealant around parts of it. I have considered replacing the skylight seal alone or replacing the entire
skylight. I see two options online: