Big Timber #14 x 1-1/2 In. Structure Screw (100 Ct., 1 Lb.) custom fit Easily installed by removing the

Easily installed by removing the release paper and pressing the aluminum membrane into place

1-inch thick louver over louver bifolds factory primed for easy painting

Actual dimensions are 3-1/4 In

Star Drive Head reduces bit spinout

Detects the sudden temperature drop from opening the dome and turns the fan off temporarily to avoid over-stoking the fire

Big Timber #14 x 1-1/2 In. Structure Screw (100 Ct., 1 Lb.) custom fit Easily installed by removing theStructure screw features: round washer head, knurled shoulder, deep sharp threads, and hardened steel construction. ICC certified and ACQ compatible for most exterior uses.