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J Barrier - Green Roof Drainage

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J-Drain
$278.95
SKU:
JBarrier

 Product Description

 

For Best Pricing Please Call: (800) 950-4972

Product Description:

J-Barrier is a solid sheet of 20 mil (0.51mm) 100% post-industrial polystyrene regrind. Each roll is 4' wide x 100' long (400 square-feet/roll). One of the primary objectives of a greenroof is to ensure the integrity of the waterproofing system and the supporting structure. A root barrier is a required component and is generally located within or at the membrane. Most membranes (i.e. hot applied rubberized asphalt, cold fluid applied, builtup bitumen, and modified bitumen) will require a root barrier to repel roots.

 

Installation:

When used in conjunction with asphalt and bituminous waterproofing membranes and in assemblies with over 6” depth of growing medium, FM Global requires the use of a root barrier with a thickness of at least 0.03” (0.8mm). They require seams be lapped by 6” (150 mm), welded a minimum of 1.5” (38 mm), and tested. For projects not requiring FM Global Standards, seams can be overlapped and secured using J-Tape, a waterproofing tape.

 

Additional Information:

 

 


Questions?

(800) 950-4972

 

Volume Discounts Available

on Orders Over $5,000


Contact us for volume pricing.

 


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J-Barrier

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