Standards and Test Methods To Access the Download section of Standards and Test Methods Documents, click on the Document below and provide your basic information. List of Documents NALFA Product Certification Package NALFA LF-01 Specifications & Test Methods_03-12-2019 NALFA LF-02 Sustainability Standards_03-12-19 NALFA LF-03 Underlayment Specifications & Test Methods_2018 Example- NALFA Surface Swell Worksheet_08-01-2019 NALFA Surface Water Test_08-01-2019
