Split chair seats can be repaired with a series of 1 8 inch dowels wooden pegs along the break and reinforced with metal mending plates.
Repair split wooden chair seat.
Instead they glue planks together edge to edge to form a single plank wide enough.
While this will put the chair back together it may happen again.
A split seat on a wooden chair often sends it to the junk heap but this solution may save one at your house.
If nails were used previously in the repair of the split chair seat pull them out with the help of angled pliers.
Then add some pressure across the grain anywhere you can get a clamp to hold.
Step 3 joining the split.
Drill holes for the dowels in each side of the broken seat about 1 inch deep or as deep as possible and spaced about 4 to 6 inches apart.
Furniture makers seldom fashion chair seats from a single piece of wood.
Old glue that remains on the frame can be chiseled off.
The fix begins by forcing wood glue into the crack and clamping the seat back together.
The seat must be completely removed for doweling.
With the seat clamped up reassemble the chair.