1、Subfloor surface must be clean and dry before installation. | |
2、Start in a corner, Unroll underlay,the vapor barrier film side down . Be sure the end of underly with adhesived tape is next to the wall and overlapping lip is towards the open room. | |
3、Put the end of underly with adhesived tape overlaped with next end with PE film. | |
4、Peel the tape and adhesive the overlap area. | |
5、Install the floor as per manufacturers instructions. |