
Liquid-Applied Systems
When faced with a confined urban space, numerous roof penetrations or restricted use of hot asphalt or heat welding, JM now gives you an ideal new solution. JM liquid-applied systems provide a seamless waterproof membrane that is easily applied and conforms to any penetration shape.
Our SeamFree™ Liquid Membrane System forms an exceptional bond. It creates an elastomeric, highly protective surface, that is perfect for roofs where standing water is a problem. This proven technology delivers exceptional waterproofing performance that will stand the test of time.
The Right Solution for a Variety of Applications — Even Cool Roofs.
This liquid-applied system works on both new construction and re-roof applications. Because it is an ideal waterproof solution, applications include:
- under plaza decks and pavers
- beneath vegetative roofs
- terraces and balconies
- a stand-alone roofing membrane
- or roofs with multiple penetrations.
SeamFree™ Liquid Membrane
SeamFree™ Liquid Membrane is a unique, two-component, elastomeric, liquid-applied waterproofing product, with a reinforcing scrim for extra strength.
PermaFlash® Bituminous Flashing System
PermaFlash® Bituminous Flashing System is a flexible liquid-applied, two-part system with a pliable polyester scrim that can accommodate even the most challenging penetration shapes.



