Hi! looking for large exposure unit

A partner and I have some 40"x 54" screens, and are trying to figure out options to purchase an exposure unit/system for our garage studio. Any links/tips are welcome.

Have a very old automatic press (no computer technology, probably from the 70s?) and a drying rack. We are building a washout booth, some carts, and a paper storage area, and just need to figure out how we are shooting these big old screens. (We've worked with 84" x 108" serigraph screens, so this doesn't seem too ridiculously huge...)