Smooth Blank Blocks

FCM Blocks Verified independent store

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Smooth Blank Blocks deliver complete customization for fiber cement siding installations. Without pre-drilled holes, you maintain full control over opening placement for stair rail ings, electrical boxes, conduit, hose bibs, dryer vents, cameras, and fixtures. These blocks channel loads directly to structural framing, safeguarding your siding while meeting code requirements for secure anchoring. Ideal when your project demands flexible positioning or specialized mounting solutions that standard blocks can't accommodate. Show more