Features of Tileable shower tray Aqua Centered 900x900x40mm with free vertical drain (4512087 + 4512008) : Vertical siphon kit and high-end design grid in solid brushed stainless steel offered (4512008) Grate support adjustable in height from 3 to 38 mm Ultra-flat drain with a minimum thickness of only 97 mm, including the tray High flow capacity of 0.9l/s 50 mm headroom DN 50 Drainage connection made of glueable ABS plastic Technical data of JACKOBOARD® Aqua : Extra flat shower tray made of extruded polystyrene hard foam with special coating on both sides Dimensions: 900 mm * 900 mm * 40 mm Water-repellent Special coating on both sides Ready to tile Preformed slope Thickness: 40 mm Compressive strength > 300 kPa Wheelchair accessible Excellent insulating properties λD = 0.035 W/( m-K) Flow rate > 0.9 l/s Step-free and level: The shower for everyone. JACKOBOARD® Aqua shower trays allow you to create beautiful, individual bathrooms. They are available in all standard formats and a