Muslin Scrim Sew Foam

Sew foam

Sew foam, also known as polyurethane foam, is popular for its flexibility and durability, making it useful for a wide variety of projects. Thanks to its scrim backing, it is trusted for applications like upholstery and car seat cushions where extra support is needed. Polyurethane foam has been used since the 1950s and has since expanded into industries ranging from furniture manufacturing to insulation materials.

Polyurethane Foam Top Features You Should Know

1. Scrim Foam: One of the best things about polyurethane foam is its scrim backing. The scrim, which is a fabric layer, gives the foam extra strength and stability, making it perfect for projects that need added support. This feature helps your finished product hold up well over time, even with regular use.

2. Backed Sew Foam: Some types of polyurethane foam come with a backing already attached, making sewing much easier. This is ideal for upholstery and sewing projects, saving both time and effort. With this convenience, you can complete projects faster without compromising on quality.

3. Easy to Use: Polyurethane foam is simple to work with. Cutting, sewing, or shaping it is easy, and this foam makes your projects more manageable and lets your creativity stand out. Its flexibility allows you to adapt it to different designs, making it a versatile choice for many applications.

A Multi-Use Polyurethane Foam

This foam plays a big role in many different industries. Here are some of the most common ways it is used:

Upholstery: Upholstery pros love polyurethane foam for upholstery. Its tough durability and easy sewing make it perfect for cushions, pillows, and more. With scrim foam for extra strength, it is a great choice for those who need reliable sewing foam padding for their projects. Plus, it is comfy enough for those naps you accidentally take while "working."

Need to remove wrinkles? A medium-heat iron can help those wrinkles disappear without damaging the foam or fabric lining.

Automotive Industry: Car makers use marine foam and polyurethane to make comfy, long-lasting seat cushions. The scrim backing adds durability, making sure it holds up over time. So, your car seats stay cozy even on those long road trips, and you can sing along to your playlist without discomfort. Polyurethane foam, which can absorb shocks, is also popular for boats, ensuring smooth rides on water.

Fashion and Sewing: For fashion designers and sewing fans, scrim foam adds shape to bags, hats, and other fabric items. With any shape foam, you can get creative and give your projects a little extra personality—without the sass! The foam also works wonders in machine embroidery, making it easier to add structure to intricate designs.

Crafts and DIY Projects: For DIY lovers and crafters, polyurethane foam is a versatile material for many projects. Its sewing foam padding makes it easy to sew into different shapes and designs, opening up endless creative options. Whether you are crafting boxes, adding foam to boat stock, or working on custom designs, this foam can handle it. Just be sure to keep the glue away from curious pets who might want to join in.

Advantages of Buying Sew Foam at Midwest Fabrics

• Durability: Polyurethane foam is extremely durable. It can withstand wear and tear, making it perfect for prolonged tasks and keeping costs reasonable. This foam is the plastic’s best friend—light on the cubic foot and always a strong performer when called to action.

• Comfort: Polyurethane foam is the king for plant and upholstery support cushioning. The modulus ensures that cushions and pillows stay supportive and comfortable, even when you decide to settle in for a nine-movie marathon. Spill something wet? This foam can handle it without a problem.

• Ease of Use: Polyurethane foam is easy to work with whether you are an expert upholsterer or a weekend DIYer. You can cut, sew with sewing foam, and mold it to fit your design. If you notice any creases, do not worry—using the right adhesive, wrinkles disappear fast, leaving your project smooth and professional.

A Wide Range of Options

We have a huge variety of Sew foam options to fit whatever project you are working on. From building cozy cushions to taking on a big upholstery project, our collection has everything you need.

Here is a guide to what you will find in this collection:

• 1/2" and 1/4" Pink Muslin Scrim Sew Foam

• 1/2" and 1/4" Sew Foam

• 1/4" High-Density Foam

• Headliner Scrap Foam

You will find the perfect thickness and scrim backing for upholstery, automotive, or DIY projects. Everything is sold by the yard, so you can grab just the right amount without overstuffing your craft closet.

Ready to get started? Shop online or stop by our physical store in South St Paul, MN, and bring your foam ideas to life—one comfy cushion at a time!

FAQs about Scrim Sew Foam

Scrim sew foam is a staple in upholstery, automotive, and marine projects, but many people still have questions about how it works and where to use it. Below are answers to some common questions to help you better understand the benefits and uses of this versatile material.

What is scrim foam?

Scrim foam is a soft, flexible foam with a thin fabric backing called “scrim” attached to one side. This makes the foam stronger and easier to sew. Our Muslin scrim sew foam is commonly used in upholstery, car seats, headliners, panels, and even boat seats where comfort and moisture resistance are key. The scrim helps give foam structure while keeping projects smooth and long-lasting. It is a go-to choice for jobs where both padding and durability matter.

What is scrim used for in upholstery?

Scrim is added to foam to make it stronger and easier to work with during upholstery projects. It helps prevent the foam from stretching or tearing when you sew into it. Our scrim-backed foam is widely used in car seats, cushions, door panels, and headliners. It is also a great pick for outdoor projects, like patio seating or marine upholstery, where extra toughness is needed. Scrim helps keep foam and fabric in place so your finished work looks clean and lasts longer.

What is scrim backing?

Scrim backing is a fabric layer attached to one side of upholstery foam to add strength and stability. It is common in products like our sew foam, where the backing helps foam hold stitches and prevents tearing. Scrim backing is often used when sewing pleats or quilting into seats and panels. It gives your upholstery a smoother finish and helps it hold up over time. We offer scrim foam by the linear yard for projects of all sizes.

Is sew foam the same as scrim foam?

Sew foam and scrim foam are closely related, but not exactly the same. Sew foam is a general term for any foam designed to be sewn into upholstery projects, and it often comes with a fabric backing. Scrim foam is a type of sew foam that specifically uses a scrim fabric backing, like the muslin scrim found in our products. So, all scrim foam is sew foam, but not all sew foam uses scrim; some may have other types of backing like tricot. Our Muslin Scrim Sew Foam falls into both categories—sew foam designed with a scrim backing for added strength and easier sewing.

Which foam is best for upholstery?

Sew foam with scrim backing is a top choice for most upholstery jobs because it is easy to sew and adds a soft, padded feel. For firmer support, like seat bases or busy areas, high-density foam is also popular. For example, our 1/4” Muslin Scrim Sew Foam works well for pleated car seats, while 1/4” High Density Foam adds extra firmness inside cushions. Both types are available by the yard to match your project needs.

What is the foam under car seats?

Most car seats use polyurethane sew foam with scrim backing, like the foam we offer. It provides comfort and helps give shape to the seat while keeping the surface smooth. The scrim backing adds durability, so the foam holds up after years of use. This same foam is also used in door panels and headliners to add padding and reduce noise inside vehicles. It is a key material in automotive upholstery for both comfort and support.