Wall won't scale height of room?

[BG213]

OK, so I was rearranging some wall textures and boom! Chaos erupts (typical of Slade)! See picture. Somehow some wall textures are I'd guess 64 high wile the room is 112 high, producing a weird effect. For the life of me I cannot get the wall texture to be full-height. Any ideas?

[xvertigox]

I'll assume this is with a vanilla wad, my guess is the TEXTURE* lump is messed up somehow. I'm thinking that the texture size has been set incorrectly.

 

Correctly set texture size in TEXTURE1. Note the texture dimensions at the bottom middle of the screen:

 

Spoiler

 

Incorrectly set size, note the blank space below the texture, I think that's whats happening to you:
 

Spoiler