On May 29, 6:19 pm, robgraham wrote:
I've to make a small door to cover a recess that originally had a
tumble drier in it under the stairs. The area is wood lined with 10mm
thick pine that has a 10mm wide flat section about 3mm deep instead of
a 'V'. Anyone know how this is referred to and whether it is still
available ?

Thanks
Rob

shiplap?

google it and select "images"

Jim K