Then add some pressure across the grain anywhere you can get a clamp to hold.
Repair split wooden chair seat.
How to repair cracks in a chair seat.
Use a wood stir stick to have more leverage and to protect the finish of the wood from scratches and dents.
While this will put the chair back together it may happen again.
The seat must be completely removed for doweling.
If nails were used previously in the repair of the split chair seat pull them out with the help of angled pliers.
With the seat clamped up reassemble the chair.
Old glue that remains on the frame can be chiseled off.
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.
A split seat on a wooden chair often sends it to the junk heap but this solution may save one at your house.
Step 3 joining the split.
Instead they glue planks together edge to edge to form a single plank wide enough.
If you split the rear legs or your seat is shield shaped try using a band clamp around the seat to close the split.