Wall Entrance Seal
A wall entrance seal consist of wall throat, wall flange (one side of wall only), and a barrier which prevents air or vapor from passing from one room to another or from outdoors to indoors. It also carries a 1 hour fire rating.
Accessories and Installation Options
Wall Entrance Seal
A wall entrance seal consist of wall throat, wall flange (one side of wall only), and a barrier which prevents air or vapor from passing from one room to another or from outdoors to indoors.
Written by: parkdetroit
185
Date published: 04/01/2013
9 / 10 stars