Upward Coiling Grille Model 671 offers a choice of curtain materials to meet the aesthetic and functional requirements of almost any environment. This security grille is fabricated of galvanized steel. Stainless steel and fire-retardant polycarbonate inserts are also options. The standard curtain pattern for this security grille is a straight lattice configuration, but you can opt for a staggered brick design.
Manual unless size requires chain hoist
galvanized steel or optional stainless steel (2B or 4)
Double angle steel
Steel with black powdercoat finish
12 month limited
Oil tempered, 20,000 cycle, torsion springs
Steel sized for maximum deflection of .03” per linear foot
Interior face of wall is standard
Between jamb options available
Slide bolt for manual and crank operation; chain lock for chain hoist operation
straight lattice (standard);
staggered brick;
straight with polycarbonate panels;
Guide channels are extruded aluminum with continuous wear strips;
mill finish;
Wall angles and any pack-out angles are galvanized steel