BioFireshield™ Lectra-Stop™

lctrstopSDS: html / pdf
Product Datasheet

List of Approved Systems

Is a one component fire rated pad for use in electrical boxes. It is inserted on and adheres to the inside back wall of an electrical box, and is a highly intumescent firestop material. When exposed to fire Lectra-Stop will expand forming a char that will seal off the opening and prevent the spread of flames and limit the temperature rise on the unexposed surfaces. Sound Transmission Class (STC) Rating 53*. Must comply with NEC 370-16. Complies to Required Environmental Exposure Testing of Accelerated Aging and High Humidity as per UL 1479 Fire Test of Through-Penetration Firestops. US Patent No. 6,207,085 & 6,252,167

Tested in a UL 411 wall assembly/section to ASTM E90.

c-ul-us1 fm-approved iwh-c-us2
Product Code Size Qty per Case
66496 Single 1 13/16″ x 2 13/16″ x 1/4″ 50
66497 Double 3 11/16″ x 3 3/4″ x 1/4″ 50
66498 Double for 5.S box (4 11/16″ x 4 11/16″ x 1/4″) 50