Rigid Substrates

Sharper Printing’s Rigid Sign Substrates

Are your customers looking for sign substrates that are rigid enough to stick almost anywhere? We're talking about signs that will even stick on brick walls. Never fear, at Sharper Printing we have the rigid substrate banners & signs your customers will love, at wholesale prices you'll love!

Our rigid sign substrates are made from a range of materials to suit your customers' varying needs. We have rigid signs that are great for both indoor and outdoor use. They'll stick to almost any surface, including glass, concrete block, and even flooring.

All our signs are printed in high-resolution and full, vivid, non-fading color from your custom designs. Simply send us a PDF with your design and let us do the rest! Most of our signs are also available with your choice of square or rounded corners.

Optional standoff hardware will let your customers use single-sided signs in a variety of wall-mounted applications. Rigid, double-sided signs can be used in display stands or hung from ceiling hooks. Most display stands can hold our various 3mm thick sign substrates.

Our rigid sign substrate options:

3/16" White Acrylic

White acrylic (3/16") is ideal for both indoor and outdoor signs. The white background makes your color graphics really pop—on one or both sides!

Aluminum Signs

Aluminum Signs are perfect for indoor or outdoor applications. They're rust-proof and durable enough to withstand the elements for at least 5 years! We use heavy gauge .040 aluminum that lets your customers put up their new signs and forget them. They're available in signs up to 4' x 8'!

Coroplast - 4 mil

Coroplast (4 mil) is an economical choice for customers who need a lot of signs! They're perfect for wayfinding, campaign signs, estate sale signage, etc. This material isn't limited to just small signs, either. We can also use it for signs up to 5' x 10'!

Coroplast - 10 mil

Coroplast (10 mil) is the burly brother to the sign substrate above. Think heavy-duty signs up to 4' x 8'!

Foam Core

Foam Core signs are lightweight and inexpensive. They're perfect easel signs and useful for many other indoor wall applications.

Foam PVC - 3mm

Foam PVC (3mm) is resistant to both water and UV rays, making it a good choice for short-term outdoor applications. It will last even longer indoors! It works great for message boards, site maps, etc.

Foam PVC - 6mm

Foam PVC (6mm) is a thicker version of the 3mm foam PVC sign substrate above. If you’re looking for more durability, choose the 6mm PVC substrate.

GatorFoam - 3/16" White

White GatorFoam (3/16") is a lightweight but sturdy extruded and laminated polystyrene. It weighs so little that it can even be mounted with double-sided tape!

GatorFoam - 1/2" White

White GatorFoam (1/2") can be framed for wall-mounting or used on easels. Both thicknesses of Gatorfoam are great for point-of-purchase displays, presentation boards, etc.


H-Stakes are a quick and easy way to stick 4 mil Coroplast signs in the ground!

Max Metal - 3mm

Max Metal (3mm) is made by bonding aluminum sheets to both sides of a solid polystyrene core. This makes for a waterproof, extremely durable, UV-safe sign. All of that and it still fits in most display stands!

Max Metal - 6mm

Max Metal (6mm) is extremely durable and long-lasting, both inside and outside. And it still fits in most display stands!


Styrene signs are available in a range of thicknesses and are ideal for outdoor signs.

Choose Sharper Printing for all your rigid substrate wholesale banners and sign needs!

We're committed to offering our trade-only customers the best prices available. We want you to be able to offer your retail customers high-quality products at a price you'll both love. Create a Sharper Printing account today and begin printing your wholesale banners and signs!