TROBA-PLUS is a durable sub-surface drainage system that permits water to drain off freely and reliably
Cone-shaped studs are positioned closely together and are covered by a water permeable filter fabric
Supports the floor covering over the entire surface, thus creating a continuous drainage area above the waterproofing layer
Measures 3-ft 3-in x 41-ft = 135-ft Schluter Systems Troba 492-Inches x 39-Inches Waterproofing membrane. These go for 327 at Lowe’s got six in stock. 100 each roll got six total