1x12_b_h_us_ ❲2025❳

: S4S (Surfaced on 4 Sides) with a pre-sanded 180-grit face.

This feature focuses on a specialized back-relief and moisture-barrier coating to improve the durability and installation speed of large-format 1x12 boards. 1x12_B_H_US_

Here is a proposed feature set for a high-end or baseboard designed for the US market: : S4S (Surfaced on 4 Sides) with a pre-sanded 180-grit face

Based on the naming convention , this likely refers to a specific lumber or architectural moulding profile (1x12 Board, Beveled or Bullnose, Hemlock, US Standard). Beveled or Bullnose