Found one more source of high density thermocol, depron and coroplast ( MUMBAI)

ABDULLATIF HABIBBBHOY & SONS
196, Abdul Rehman Street, Mumbai - 400003
Ph: 23425314
      23401969
email : (not sure whether working or not)

5mm : Rs.:100
10 mm : Rs.:40

Sandeep

Should we use laminated biofoam sheets or unlaminated sheets ? I have made a plane from foam that is laminated on one side. but wanted to know if any one has used unlaminated ones, does lamination add strength?