Hi Sweatdog.
You need to inspect and see if it is made with springs, or wood slats. Slats should be a minimum 2 inches apart. and a spring base is not your best choice for a latex mattress, you need more support.
You will find lots of info on using the best foundation for your latex mattress here
the-best-foundations-or-base-for-a-latex-or-all-foam-mattress
Cheers!