Cardboard is an ideal substrate for encaustic artwork, it is light-weight, absorbent, and rigid. Encaustic is an ideal medium for cardboard.
ENCAUSTIC COURSE DESCRIPTIONS — Paint A Miracle
Getting started with encaustics - StraightCurves
Encaustic painting — misty mawn
All Things Encaustic - Ruth Maude
R&F Handmade Paints Encaustic Gesso, Gallon Size Tub for use With Encaustic Paints and Mediums
Coin Of The Realm Encaustic Mixed Media by Bellesouth Studio - Fine Art America
Encaustic Art Portfolio
Encaustic Mixed Media Paintings — Lighthouse Art & Design by Jocelyn Cruz Kadach
Cardboard as a Substrate for Encaustic Painting - All Things Encaustic