M-D Pewter Fluted 1-3/8 In. x 3 Ft. Aluminum Carpet Trim Bar, Wide Triflex HX1 It expands and contracts with

It expands and contracts with temperature changes

bi-parting or bypassing wooden doors

screwed or stapled in place and finished with joint compound

The Protector System safety sensors

it was designed and tested with strength and durability in mind

M-D Pewter Fluted 1-3/8 In. x 3 Ft. Aluminum Carpet Trim Bar, Wide Triflex HX1 It expands and contracts withTo join 2 surfaces of different levels. Carpet to tile, carpet to hardwood, low pile to high pile carpet. Screw nails included. Aluminum material with multiple finish options. Carpet metal installation on concrete surface suggestion: Drill a hole in the concrete, insert a 3 16" x 1 1 4" or 1 4" x 1 1 4" wood dowel. Use the screw nails provided with carpet metals, insert into dowel, expanding the dowel to lock in place.