Roof drains have four different methods for height adjustment. Available options include a fixed extension, threaded adjustment with sealant, adjustable extension rods, and threaded O-Ring adjustment. Options are available for top-level adjustment to accommodate various insulation thicknesses.
Sielox: AnyWare
Global Drain Technologies: 2000 T-Series Threshold Drain
Samuelson Furniture: Happy Power Recliner
Duravit: Tulum Faucet Series
LightArt: Somari Collection