Looking for the best foams for custom cushions? We’ve curated a list of 10 top choices to help you create comfortable and stylish cushions for any project.
Custom cushions can transform your furniture, making it more comfortable and stylish. Whether you’re reviving an old couch or crafting a DIY project, the right foam is key. We’ve gathered the best foams to help you create the perfect cushion for any need.
From high-density to medium-density options, these foams offer firm support or soft comfort. They’re durable, easy to customize, and safe for long-term use. Plus, many are CertiPUR-US certified, ensuring quality and safety.
Ready to find the perfect foam for your project? Let’s dive in and explore the top choices that will make your cushions feel brand new!
List of Top 10 Foams for Custom Cushions
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Foamma Custom Cut-to-Size Foam – High & Medium Density Custom Upholstery Foam Cushion, Polyurethane, Cushion Replacement for Chairs, Couches & DIY Projects for All Needs |
This custom foam is perfect for anyone who needs replacement cushions or wants to create DIY projects. It’s ideal for chairs, couches, boats, cars, and more. |
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FOAMYFOAM High Density 2 inch Thick, 24 inch Wide, 96 inch Long Upholstery Foam, Cushion Replacement |
This foam is perfect for anyone who needs to replace seat, couch, or bench cushions. It’s also great for DIY upholstery projects. |
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FOAMYFOAM High Density 3 inch Thick, 24 inch Wide, 72 inch Long Upholstery Foam, Cushion Replacement |
This high-density upholstery foam is perfect for anyone looking to refresh old cushions or create new, comfortable seating for their home. It’s ideal for DIYers and upholstery enthusiasts seeking a durable and supportive foam solution for their projects. |
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Coaseb Custom Polyurethane Upholstery Foam Cut to Size – Couch Cushion Replacement, Foam Padding for Chairs, Sofas, Benches, Seat Cushions & DIY Projects, High or Medium Density, CertiPUR-US Certified |
This custom foam is perfect for anyone looking to refresh old furniture or tackle DIY projects. Whether you need a new couch cushion, chair padding, or a unique shape for a special design, this foam offers a perfect fit every time. |
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SmartFoam HD Custom Cut Foam for Mattresses & Cushions – High Density Upholstery Foam for DIY Projects, Beds, & Sofas Premium, Free Choice of Comfort Levels (Medium or Firm) |
This product is perfect for anyone who wants custom foam for DIY projects, upgrading furniture, or replacing mattresses and cushions. It’s great for beds, sofas, boats, vans, and even pet beds. |
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Foamma 1″ x 24″ x 84″ High Density Upholstery Foam Padding for Cushions and Seat Repair, Thick-Custom Pillow, Chair and Couch Cushion Replacement Foam, Craft Upholstery Supplies |
This Foamma High Density Upholstery Foam is perfect for anyone who needs durable, comfortable foam for furniture repairs or DIY projects. Whether you’re fixing a chair, replacing a couch cushion, or crafting a custom pillow, this CertiPUR-US certified foam offers long-lasting support and easy customization. |
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Tohetsuzp High Density Upholstery Foam Cushion – 5″ Thick x 24″ x 72″, Gel Memory Foam Support Padding for Seat Cushion Replacement, DIY Projects, Sofa Mattress Support |
This foam cushion is perfect for anyone who wants to fix sagging furniture, create DIY projects, or replace worn-out cushions. It’s easy to cut and customize, making it great for beginners and experienced crafters alike. |
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High Density Foam Cushion, Custom Size Long, Upholstery Foam Firm, Made-to-Order Upholstery Foam — Custom Upholstery Foam | Cushion Foam for Furniture, Seating & DIY |
This High Density Foam Cushion is perfect for anyone who wants custom comfort and support. Whether you’re updating furniture, crafting DIY projects, or seeking relief from pressure points, this made-to-order foam is ideal for you. |
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Foamma 6″ x 28″ x 28″ High Density Upholstery Foam Padding for Cushions and Seat Repair, Thick-Custom Pillow, Chair, and Couch Cushion Replacement Foam, Craft Upholstery Supplies |
This high-density upholstery foam is perfect for anyone looking to revitalize old furniture or create custom cushions. It’s ideal for DIY enthusiasts and those who want to repair or replace worn-out cushions on chairs, couches, and more. |
Detailed Reviews
Discover the top 10 foams for custom cushions, carefully selected based on expert reviews and customer feedback. Whether you need comfort, durability, or affordability, this guide has you covered. Find the perfect foam to transform your furniture and DIY projects with ease.
1. Foamma Custom Cut-to-Size Foam – High & Medium Density Custom Upholstery Foam Cushion, Polyurethane, Cushion Replacement for Chairs, Couches & DIY Projects for All Needs

This custom foam is perfect for all your upholstery needs. It comes in various thicknesses, lengths, and widths.
You can choose from high-density or mid-density foam. High-density offers firm support, while mid-density is softer. This foam is ideal for cushions, furniture, and DIY projects.
It’s made from premium polyurethane for long-lasting use. It will keep its shape even with regular use. If it loses shape, just wait 72 hours for it to fully recover.
Custom sizes and shapes are available. You can get your foam cut into square, round, or even hexagon shapes. Just contact us to make your perfect foam.
| Pros | Cons |
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Perfect For:
This custom foam is perfect for anyone who needs replacement cushions or wants to create DIY projects. It’s ideal for chairs, couches, boats, cars, and more.
Ready to Purchase?
2. FOAMYFOAM High Density 2 inch Thick, 24 inch Wide, 96 inch Long Upholstery Foam, Cushion Replacement

Transform your old furniture with FOAMYFOAM High Density Upholstery Foam. This 2-inch thick foam is perfect for seat cushions and couch cushions. It’s a high-quality choice for any upholstery project.
This long-lasting foam offers the perfect amount of firmness for optimal comfort and support. Its 1.8 Density and 44 ILD make it ideal for daily use.
You’ll receive one piece of 2x24x96 foam, proudly made in the USA. Simply unpack, let it lay flat for 2-3 days, and watch it reach its full volume.
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Perfect For:
This foam is perfect for anyone who needs to replace seat, couch, or bench cushions. It’s also great for DIY upholstery projects.
Ready to Purchase?
3. FOAMYFOAM High Density 3 inch Thick, 24 inch Wide, 72 inch Long Upholstery Foam, Cushion Replacement

Foamy Foam offers high-quality upholstery foam for all your cushion needs. It’s perfect for seats, couches, and benches. This foam is made to last and provides great support.
The 3-inch thick foam measures 24 inches wide and 72 inches long. It has a 1.8 density and 44 ILD rating, ensuring firmness and comfort. Proudly made in the USA.
After unpacking, let the foam rest for 2-3 days to fully expand. It’s ready for use in various upholstery projects. Foamy Foam is your go-to choice for reliable cushion replacement.
| Pros | Cons |
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Perfect For:
This high-density upholstery foam is perfect for anyone looking to refresh old cushions or create new, comfortable seating for their home. It’s ideal for DIYers and upholstery enthusiasts seeking a durable and supportive foam solution for their projects.
Ready to Purchase?
4. Coaseb Custom Polyurethane Upholstery Foam Cut to Size – Couch Cushion Replacement, Foam Padding for Chairs, Sofas, Benches, Seat Cushions & DIY Projects, High or Medium Density, CertiPUR-US Certified

Coaseb Custom Polyurethane Upholstery Foam is made to fit your space. It works for chairs, sofas, benches, and cushions.
You can choose the exact size. Foam comes in medium or high density. It can be cut into custom shapes.
Foam returns to shape quickly after unrolling. Small size differences may happen. Perfect for DIY projects.
It is CertiPUR-US certified. Safe and durable for long use. Great for couch or seat replacements.
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Perfect For:
This custom foam is perfect for anyone looking to refresh old furniture or tackle DIY projects. Whether you need a new couch cushion, chair padding, or a unique shape for a special design, this foam offers a perfect fit every time.
Ready to Purchase?
5. SmartFoam HD Custom Cut Foam for Mattresses & Cushions – High Density Upholstery Foam for DIY Projects, Beds, & Sofas Premium, Free Choice of Comfort Levels (Medium or Firm)

Dreaming of the perfectly sized mattress or custom cushions? SmartFoam HD makes it a breeze! You get exactly the dimensions you need, whether it’s for your bed, your couch, or any creative DIY project.
This high-density foam is built to last, resisting sagging and keeping its shape for long-lasting comfort. Plus, with optional cooling gel infused into the premium memory foam, you can enjoy a cooler, more restful sleep.
It’s versatile and made in the USA. Get your CertiPUR-US Certified foam today!
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Perfect For:
This product is perfect for anyone who wants custom foam for DIY projects, upgrading furniture, or replacing mattresses and cushions. It’s great for beds, sofas, boats, vans, and even pet beds.
Ready to Purchase?
6. Foamma 1″ x 24″ x 84″ High Density Upholstery Foam Padding for Cushions and Seat Repair, Thick-Custom Pillow, Chair and Couch Cushion Replacement Foam, Craft Upholstery Supplies

Foamma high density foam is strong and long lasting. It is perfect for chairs, couches, and cushions.
You can get custom cuts for any size you need. The foam gives lasting comfort and support.
It is safe and certified. The foam expands quickly. Shipping is free and easy.
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Perfect For:
This Foamma High Density Upholstery Foam is perfect for anyone who needs durable, comfortable foam for furniture repairs or DIY projects. Whether you’re fixing a chair, replacing a couch cushion, or crafting a custom pillow, this CertiPUR-US certified foam offers long-lasting support and easy customization.
Ready to Purchase?
7. Tohetsuzp High Density Upholstery Foam Cushion – 5″ Thick x 24″ x 72″, Gel Memory Foam Support Padding for Seat Cushion Replacement, DIY Projects, Sofa Mattress Support

Revitalize your furniture with this amazing high-density upholstery foam cushion. It’s 5 inches thick and offers superior support. Get ready for long-lasting comfort.
This gel memory foam pad is perfect for seat cushion replacement. It’s also great for DIY projects. Unleash your creativity with this versatile foam.
Cutting and customizing is super easy. Enjoy fresh, supportive cushions in no time.
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Perfect For:
This foam cushion is perfect for anyone who wants to fix sagging furniture, create DIY projects, or replace worn-out cushions. It’s easy to cut and customize, making it great for beginners and experienced crafters alike.
Ready to Purchase?
8. High Density Foam Cushion, Custom Size Long, Upholstery Foam Firm, Made-to-Order Upholstery Foam — Custom Upholstery Foam | Cushion Foam for Furniture, Seating & DIY

Transform your furniture with our custom-sized, high-density foam cushions. They offer firm support and unmatched comfort for all your seating needs.
Experience targeted support that perfectly molds to your body. Enjoy pressure point relief and luxurious cushioning. Feel the difference of made-in-USA quality.
Rest easy knowing our foam is CertiPUR-US certified. It’s made without harmful chemicals, ensuring a safe and healthy addition to your home.
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Perfect For:
This High Density Foam Cushion is perfect for anyone who wants custom comfort and support. Whether you’re updating furniture, crafting DIY projects, or seeking relief from pressure points, this made-to-order foam is ideal for you.
Ready to Purchase?
9. Foamma 6″ x 28″ x 28″ High Density Upholstery Foam Padding for Cushions and Seat Repair, Thick-Custom Pillow, Chair, and Couch Cushion Replacement Foam, Craft Upholstery Supplies

Give your furniture a new lease on life with our premium upholstery foam! This thick, high-density foam is perfect for bringing comfort and support back to your favorite cushions and seats. It’s designed to be long-lasting and affordable.
This foam is super tough. It’s also really comfy. And it’s made to last.
You can get this foam in any size you need, making it ideal for custom projects. Plus, it’s CertiPUR-US certified, so you know it’s made with safe, quality materials.
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Perfect For:
This high-density upholstery foam is perfect for anyone looking to revitalize old furniture or create custom cushions. It’s ideal for DIY enthusiasts and those who want to repair or replace worn-out cushions on chairs, couches, and more.
Ready to Purchase?
Buying Guide
Custom cushions can transform your furniture, making it comfy and stylish. The right foam is key to success. We’ve got you covered with a simple guide to find the best foam for your project.
Factors to Consider When Buying Foam for Custom Cushions:
– Density: High-density foam offers firm support, while medium-density foam is softer. Choose based on your comfort needs.
– Thickness: Thicker foam provides more cushioning, but it depends on your furniture type and personal preference.
– Size & Shape: Look for foam that can be custom cut to fit your project, whether it’s square, round, or unique shapes.
– Durability: High-quality foam keeps its shape over time, ensuring long-lasting comfort.
– Certifications: CertiPUR-US certified foam is safe and free from harmful chemicals, giving you peace of mind.
– Ease of Use: Foam that expands quickly and is easy to customize saves you time and effort.
– Purpose: Consider if it’s for seats, couches, DIY projects, or mattresses to pick the right type.
– Budget: Balance quality and cost to find foam that fits your needs and wallet.
With these tips, you’ll find the perfect foam to make your cushions feel brand new!