Premium redwood plank doors by carmel door company are of the utmost quality. This door was built using a premium hollow wooden core to eliminate any warping or twisting for many years to come. Old growth eco friendly redwood'planks' are 1/4 thick custom cut and applied to the structural core, and they are matched. This door has is prefinished with a 2 color staining process and clearcoated with 2 coats of marine grade varnish. The redwood burl inlay was custom cut from one of our burlwood slabs and inset to create an interesting focal point. This is a one of a kind door designed and built by a long time resident of the california central coast, inspired by countless trips up and down the big sur coast, and many years of working with architecture and specifically classic redwood designs. Door dimensions: 36 1/4" x 80 1/4" x 1 3/4. This door can be trimmed up to 1 1/2" in height and 3/4" in width to fit your needs.