Ck Boards Cupping

The main reason proponents like this method is ironically to reduce cupping.

Ck boards cupping.

It seems they used two screws in each board at either end but all the joists in the middle only had one screw. The ultimate effect may be flatter deck boards or less cupping in actual use. This article explains the causes of wood board cupping and gives advice concluding that unless a board is already badly cupped or has a bad side when construction of outdoor decks and wood stairs you should place. 6 tips to minimize deck board cupping and make your deck last longer.

Wood develops a memory over time and that s why you see deck boards in the permanently cupped position even when they are dry when installed bark side up. I ve had luck leaving the convex side of a slightly cupped board in a sunny window and the gentler warming drying of that side was sufficient to straighten the cup. This article series explains the causes of cupping in wood boards wood board right side up advice for steps decks ramps. Look at each board.

Bark side up or down on exterior wood decks stairs. In this video i demonstrate how to flatten a board that has cupped with losing the least amount of material possible. And i m okay with that well i m okay with the physics of it at least. By rebecca uk i ve recently had a large deck built by a professional decking company.

But when it rains and the board warps water collects in the concave shape and pools there. First came the realization that a board can go through my planer cupped and still come out cupped. If possible i d have left this tread in the lumber yard and picked a different one. Don t install a deck board with a visibly concave surface facing up.

In the case of the stair tread shown just above it has a concave upper surface. So my foray into making end grain cutting boards for family this christmas has become a study in board cupping.