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UNDERSEAL® Underslab Waterproofing Membrane
U.S. Patent No. 7,488,523 and 7,686,903

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Installed prior to slab pour, UNDERSEAL® Underslab Waterproofing Membrane contains 3 layers of protection.

1. The bottom layer is a 20 mil geomembrane, highly puncture resistant and stretchable.
2. The middle layer is a 65 mil polymerized asphalt sealant, which acts as a seal and an elastomeric stress absorbing formulation. This is the primary material which guarantees a permanent seal when the concrete cracks or the joint moves above the membrane.
3. The top layer is a high strength geotextile which forms a physical bond to the concrete slab poured on top of it.

Under Slab Application

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Data Sheet PDF icon PDF:83KB-2pg's.
MSDS
Guide Specs
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UNDERSEAL® Underslab Photos
(Click on images to view full size)
Sub Grade 1
Install - 1
Install - 2
tie-in - 2
Sub Grade - 1
Installation - 1
Installation - 2
Tie-In to Tunnel Wall - 1
       
Completed Install Tunnel - 1
Competed Install Tunnel - 2
Ready for Pour - 1
Ready for Pour 2
Completed Install Tunnel- 1
Completed Install Tunnel - 2
Ready for Pour - 1
Ready for Pour - 2
       
Ready for Pour 4
Concrete Pour
On Shotcrete
Fabric Tape Detail
Ready for Pour - 4
Concrete Pour
Underslab on shotcrete
Fabric Tape Detail
       
Underslab
Underslab 2
Underslab Vertical Flap
Underslab Flap
Underslab - 1
Underslab - 2
Underslab Vertical Flap
Underslab Flap
Underslab at Gradebeam
Underslab Self-adhesive Lap
Underslab at gradebeam
Underslab self-adhesive lap
       
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