J-Drain 400RB, Drainage System, 4x50 ft, 21 GPM, for Irrigated Roofs - J-Drain #400RB Drainage System for Irrigated Green Rooftops, 4x50 feet, 21 Gallons/Minute/ft core flow. Pre-assembled 2-layer drain system (filter cover w/dimpled drain mat). For sloped or irrigated roofs. Price/Roll. (shipping leadtime 1-3 business days)
 
J-Drain 400RB, Drainage System, 4x50 ft, 21 GPM, for Irrigated Roofs
JDRAIN-400RB
$202.00 SALE $149.95
(Savings: $52.05)
 
 Buy 7 or more and pay $143.85 each (save $58.15) 
 Buy 21 or more and pay $139.85 each (save $62.15) 
 
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Product:

J-Drain #400RB Drainage System for Irrigated Green Rooftops, 4x50', 21 Gallons/Minute/ft core flow. Pre-assembled 2-layer drain system (filter cover with dimpled drain mat) ensures drainage efficiency. Designed for sloped and irrigated green roof / roof garden areas. Price/Roll. (shipping leadtime 1-3 business days)

DESCRIPTION:

The J-Drain 400RB is our most popular drain products under planted areas. They are pre-assembled drain cores with root resistant ECO fabric attached to the top layer. The ECO fabric prevents fine particles from being washed out and prevents roots from becoming saturated and affecting the efficiency of the drain layer.

SPECIFICATIONS:

  • Size (ft): 4 x 50 roll
  • Thickness (in): .40-.42
  • Compressive Strength (psf): 15,000
  • Core Flow (gal/min/ft): 21 (Hydraulic Gradient=1
  • Fabric Flow (gal/min/ft): 140 Gallons/Minute/ft2
  • Fabric type: ECO (top-side root resistant polyester filter fabric)

FEATURES:

  • Easy to install
  • Polypropylene drain core
  • Prevents root penetration into drain layer
  • Reduces weight of total Greenroof
  • Filters fine particles
  • Ensures drainage effeciency even with irrigated areas

INSTALLATION:

INSTALLATION GUIDE

More Product Information:

Questions?

Email us at sales@bestmaterials.com or
Call us at 1-800-474-7570 or 602-272-8128
You'll get a prompt reply!

similar product terms: drainage core, drainage care, drainage care system, irrigated roofs, high flow dimpled drainage core, under slabs, plaza decks, split slabs, JDRAIN-400rb
 

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