Top 9 Foam Poster Board 18×24 – Foam Boards

As an Amazon Associate I earn from qualifying purchases.

1. union foam board


18x24, Signboards, Display White, Framing, Arts and Crafts, Perfect for Presentations, Union Premium Foam Board 18 x 24 x 3/16" 10-Pack : Matte Finish High-Density Professional Use

union foam board #ad - Quantity: 10 sheets per box. Application: ideal for crafts, mounting displays, framing, exhibits, and school projects. Lightweight and rigid White foam board with paper liner pH-neutral. Packaging: strong double layered corrugated packaging to protect the corners. Specification: Polystyrene foam core between pH neutral white paper.
Brandunion foam board #ad
ManufacturerUnion Foam Board #ad
Part Number1824White



White, MBC Mat Board Center, 1/8" White Foam Boards 18x24, Pack of 10

MBC MAT BOARD CENTER #ad - Thickness:1/8". Pack of 10 18x24 Foam Boards. The outside size is 18x24 and fits 18x24 Frame. Color: White. This item comes with 10 single foam boards.
ManufacturerMBC Mat Board Center #ad
Height1.5 Inches
Length18 Inches
Weight2.5 Pounds
Width24 Inches
Part Number10-W-FB

3. Evadow


20Pack Foam Core Board, Poster Making, Signage, 3/16" / 5MM Thick Mat Foam Board Center, 3-D Modeling, Backing Boards for Mounting Photographs and Artwork, 11"x15" White Foam Board

Evadow #ad - Lightweight but strong backing borads——the polystyrene foam sheet can be easily to cut into shape with craft knife, clean edges and meets your different specification. 3/16inch thick foamcore boards——package include 20pack white foam board 11” x 15”, mounting, school, presentations, framing, office, architectural models, Perfect for craft project, displays and exhibits.

Multi-function thick mat——the 5mm thick foam core are widely used as background for art work, picture mounting, sign making, kids’ school art project, signage framing and mounting.1

100% satisfaction guarantee——we are willing to take responsibility for our products, if you have any questions about the products, please feel free to contact us. Smooth surface for painting and mounting——the foam sheet has three layers; the polystyrene foam core is covered with 2 sheets of matte Plastic from the back and front, Warp Resistant and Dent Resistant.
BrandEvadow #ad
ManufacturerEvadow #ad
Part NumberFoamBoard-20P-11x15-20201013-ma



3/16 Inch Thickness, 18 x 24 Inches, 2 Pack, Black, Elmer's Foam Board Multi-Pack

ELMERS #ad - Strong paper to foam bond prevents peeling. Lightweight but strong for portability and durability. Great for craft, school, and work projects. Works with paints, glues, markers, and more. Resilient foam core resists denting and crushing.
BrandELMERS #ad
ManufacturerElmers #ad
Height0.4 Inches
Length24 Inches
Width18 Inches
Part Number950026
WarrantyAs labelled



UCreate Foam Board, White, 5 Sheets, 22" x 28"

UCREATE #ad - Sheets are easy to cut. White foam board, lightweight but strong and rigid surface. Ideal for crafts, mounting displays, framing, exhibits, and school projects.3/16" thick. Acid Free.
BrandUCREATE #ad
ManufacturerPacon Corp. #ad
Height1.5 Inches
Length29 Inches
Weight1 Pounds
Width22.25 Inches
Part NumberP5557

6. Navy Penguin


Double Sided, Display, Framing, Foam Board 16 x 20 x 3/16", Premium 12 Pack, White Poster Board, Presentation and Projects 16x20", Lightweight Signboard Foamboard for Crafts, Acid Free, Rigid, Art

Navy Penguin #ad - If for any reason you are not happy with the foam board, please let us know, we'll refund your money immediately, no questions asked. Ideal for crafts, glue, white color. Suitable for home, education, college, students and kids.

Premium 12 pack - 12 foam boards in each package. Size 16 x 20" - 3/16-inch thick 5 mm, school projects, mounting displays and exhibits, framing, paint or markers. Easy to cut. Great help for managers, kindergarten, presentation and organization is needed. Packed in protective packaging - no damaged edges or corners. 100% satisfaction guaranteed - backed by our lifetime Warranty.

Top quality material acid free - polystyrene extruded foam laminated between two sheets of paper acid free. Smooth surface accepts screen printing, indoor signs and notices. Multi-functional use - delivers effective performance when planning, school, office, teachers, dorm room or any other place. Double sided, strong, rigid but amazingly lightweight.
BrandNavy Penguin #ad
ManufacturerNavy Penguin #ad
Part NumberNP41604134



Presentation, 20 Pack White Foam Board 12" x 16.5", School Projects, A3 Polystyrene Mat Board Poster Foam Board Sheets for Art Crafts, 3/16" Thickness Foam Core Baking Board for Projects, Wedding

EPHECH #ad - 3/16inch poster foam board: foam board with white paper throughout has a 3/16inch polystyrene Acid-free core, double side smooth surface allows you to embellish and customized them using flower, twine, rope, ribbon, paint, glitter and glue.

Good for school projects or any other signs you need to make. 12" x 16. 5" polystyrene mat board: each foam baking board measure approximately 12 x 16. 5inch but can easily be sanded and cut down to your preferred size and shape craft knife. Multiple usage: this foam core baking board is ideal for a crafting custom signs and posters for school projects or party decor; Widely use as sign making, picture mounting, poster display and exhibition.

Package included: come with 12 pack 3/16inch thickness foam board to ensure you always have one on hand for your next crafts projects. 20pcs foam core board: white foam board is made with polystyrene extruded foam laminated between two sheets of paper to form a lightweight but strong and rigid surface.
BrandEPHECH #ad
ManufacturerEPHECH #ad
Part NumberFoamBoard-A3-20PCS

8. School Smart


School Smart 1485728 Railroad Board, 4-ply Thickness, Black Pack of 25, 22" x 28"

School Smart #ad - Create bold signs and posters that stand out. Display boards with a smooth, uniform finish and vivid color on both sides. Sold as a Pack of 25. Great for stenciling and block printing. Sturdy construction yet easy to cut and trace.
BrandSchool Smart #ad
ManufacturerROSELLE PAPER INC #ad
Height0.03 Inches
Length28 Inches
Weight0.28 Pounds
Width22 Inches
Part Number1485728

9. School Smart


White, 11 Pt, Pack of 100 085498, 18 x 24 Inches, School Smart Pacon Heavyweight Tagboard

School Smart #ad - Sold as a pack of 100 sheets. Designed by School Specialty professionals and educators. Heavy weight with a smooth clean surface. Use for painting drawing sketching and more. Economical value.
BrandSchool Smart #ad
ManufacturerSchool Specialty #ad
Part Number085498
WarrantyNo warranty