A heavyweight diamond embossed moisture barrier built to last with a difference you can feel.

Alligator Back Underlayment.

Alligator Back Underlayment is a 14 mil embossed polyethylene film utilized to create a moisture resistant floor. It is designed for use over all types of sub floors, specifically concrete or any surface that requires moisture resistance.

Our diamond patterned emboss allows for a textured protectant that allows air flow to prevent moisture without worrying about your flooring becoming damaged.

Protects your floor.

Helps protect your engineered and/or floating wood or laminate floor from harmful subsurface moisture. Easy installation, simply roll the film out interlocking the embossment and tape all seams. 

Built to last.

Alligator Back Underlay is a heavy weight embossed moisture barrier built to last with a difference you can feel. It is manufactured with high quality polyethylene for the long lasting protection you need.  

Sealed effectively.

Embossment allows for any overlay to interlock allowing seems to be sealed effectively without worrying about the underlay moving during installation. The weight of the protective film keeps the film from wrinkling allowing an easy installation once laid flat and is 14 mil thick to prevent puncturing and provides added cushioning to your floor.