1. Thickest membrane in the industry
1. UNDERSEAL®  Underslab .95 mil
2.  Blindside .73mil 
2.  Sealed Barrier which STOPS    
1. water
2. contaminants
3. methane
4. termites  
5. and radioactive radon gas
3. Underslab and Blindside membrane provide a 4" wide self-adhesive, self-adhering overlap seam
1.  Self-adhering fabric tape only needs to be applied at end lap seams
4. To detail Polyguard Offers 
1. a spray adhesive
2. a trowel-applied flashing 
3. a self-adhering sheet flash for corners, if the contractor prefers that 
4. a caulk gunned joint filler    
5. Decrease or Eliminate Construction Site Damage
1. Vapor Barriers are reported to have a high failure rate of up to 85% due to unintentional/intentional construction site damage (foot traffic, tools, wire, re bar, welding, large equipment, concrete mixes containing aggregate with sharp edges)   
2.  damage rate is high even with use of sand or
   granular fill   
3. ASTM E 1643 states that polyethylene vapor barier materials are highly vulnerable to construction damage  
4. Polyguard UNDERSEAL® Underslab remains in tact even after cracked pavements or opened joints. This is due to the mechanical bond between geotextile and the concrete
5. Polyguard UNDERSEAL® Underslab waterproofing Geomembranes will self heal small punctures  
6. Reduce Liablility  

Polyguard offers an underslab, blindside, protected wall, peel-and-stick and split slab waterproofing membrane through their newest architectural division called UNDERSEAL®. UNDERSEAL® is a total system for preventing moisture intrusion and can be used alongside their Flash-and-Weep(TM) and in-house manufactured drainage boards.  

Polyguard is a leader in waterproofing technologies, and is currently in 50% of specifications for their 650 membrane product.