Ck Boards Cupping

This article series explains the causes of cupping in wood boards wood board right side up advice for steps decks ramps.

Ck boards cupping. And i m okay with that well i m okay with the physics of it at least. 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. By rebecca uk i ve recently had a large deck built by a professional decking company. Don t install a deck board with a visibly concave surface facing up.

If possible i d have left this tread in the lumber yard and picked a different one. So my foray into making end grain cutting boards for family this christmas has become a study in board cupping. In this video i demonstrate how to flatten a board that has cupped with losing the least amount of material possible. For more modest cases of cupping though you can definitely try gentler methods.

Look at each board. Only a few weeks ago we began to notice the boards are cupping and twisting. The main reason proponents like this method is ironically to reduce cupping. 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.

In the case of the stair tread shown just above it has a concave upper surface. First came the realization that a board can go through my planer cupped and still come out cupped. The ultimate effect may be flatter deck boards or less cupping in actual use. But when it rains and the board warps water collects in the concave shape and pools there.

A single episode of wetting and drying should not be sufficient to damage your board. It seems they used two screws in each board at either end but all the joists in the middle only had one screw.