3MM Sunboard (PVC Foam Board) Pack of 4 Sheet Size A4 Used for Craft, DIY Projects, School Projects, Architectural Models, Making Prototype Objects (8 Inch x 12 Inch Pack of 4) :
Kingspan GreenGuard 4" x 4' x 8' Square Edge Foam Board Insulation - XPS Supply
Rigid Foam vs. Fiberglass Insulation: What's the Difference?
Source 4 x 8 Styrofoam Sheets rigid xps board on m.alibaba.com
Foam Core 4'x8' Sheet
Foam Board
Expanded Polystyrene Foam Board Insulation 4' x 8' at Menards®
PVC Foam Board White 1/8" or 1/4" Plastic Sheets You Pick The Size 4 or 8 Pack | eBay
1 1/2 in x 4 ft x 8 ft DiversiFoam CertiFoam 25 SE Foam Board at Tamarack Materials, Inc.
Owens Corning FOAMULAR 1/2 in. x 4 ft. x 8 ft. R-3 Square Edge Rigid Foam Board Insulation Sheathing 36L - The Home Depot
Ultra Board Classic 1" 4' x 8' Black Foam Board
Foamcore 4'x 8' Sheet
Buy White 3mm 1/8" Sintra 36" x 48" Mounting Boards - 5pk at $230.69 (LP-3W3648)
SilveRboard 8' x 4' x 1" Rigid Insulation Sheet R5 | Rigid Insulation | Kent Building Supplies