The only way to disable the portal boxes, at this time, is to not use the portal; which you can disable completley in the CP; but this would be a global setting.

If you just want to use the header and the footer you should consider just entering your own header and footer and attempt to replicate the look of the standard design.

I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
Do you need Forum Install or Upgrade Services?
Forums: A Gardeners Forum, Scouters World
UBB.threads: UBBWiki, UBB Styles, UBB.Sitemaps
Longtime Supporter & Resident Post-A-Holic
VNC Web Services: Code Modifications, Upgrades, Styling, Coding Services, Disaster Recovery, and more!