Foam Equilateral Triangles Cut to Size

Transform your seating, upholstery, or acoustic project with Foam Equilateral Triangles Cut to Size from Intercounty Supplies. Designed with three equal sides, equilateral triangle cushions are the perfect made-to-measure solution for corner seating layouts, bay window projects, caravan seating, acoustic wall panels, and custom upholstery builds.

Every triangle is produced with CNC cutting precision, guaranteeing equal sides, sharp angles, and professional-quality results every time. With over 30 years of expertise and as one of the UK’s leading foam converters, we supply both retail and trade customers across the country. Whether you’re creating a bespoke furniture design, upgrading a bay window seat, or constructing acoustic soundproofing panels, our equilateral triangle foam pieces provide the comfort, durability, and accuracy you need.

Key Features & Benefits

• Made to Measure – Foam triangles cut precisely to your required side length and thickness.

• Perfect for Triangular Layouts – Ideal for corner seat cushions, bay window seating, decorative upholstery, or boat and caravan seating.

• Premium Foam Grades – Choose from soft, medium, firm, high-density, or memory foam for the perfect balance of comfort and support.

• Durability Guaranteed – Designed to resist sagging, flattening, and everyday wear, even with heavy use.

• Optional Upholstery Finishing – Add dacron wrap for a plush look and stockinette for easier cover fitting and foam protection.

• CNC Profiling Precision – Advanced CNC cutting ensures sharp angles, consistent sizes, and repeatable accuracy for both single orders and bulk trade supply.

Applications

Foam Equilateral Triangles Cut to Size are highly versatile and ideal for multiple uses:

• Corner seat cushions for bespoke or modular seating arrangements

• Bay window seating foam for a smooth, tailored fit

• Caravan and boat seating layouts where space-saving shapes are essential

• Decorative and architectural upholstery projects for a stylish, modern finish

• Acoustic wall panels and soundproofing builds for studios, offices, and theatres

• Custom furniture builds where precise triangular foam is required

These triangle foam cushions are especially popular in bay windows and corner seating layouts, providing a professional finish that standard rectangular cushions can’t achieve. They’re equally valuable in the acoustic foam market, where sharp-edged triangular panels are used for sound absorption and noise control.

Why Choose Intercounty Supplies?

Since 1990, Intercounty Supplies has been a trusted name in the foam industry, supplying upholsterers, furniture makers, designers, and homeowners with high-quality foam cut to size. As one of the largest foam converters in the UK, we combine advanced technology, bulk supply capacity, and decades of expertise to deliver reliable, professional results on every order.

Why customers choose us:

• Over 30 years of foam converting expertise

• CNC profiling technology for accurate triangular cuts

• Capacity for bulk trade supply as well as one-off custom orders

• Nationwide delivery supported by our fleet of 5 artic trucks and 15 Luton vans

• Trusted across the UK by upholsterers, furniture makers, DIY customers, and acoustic specialists

When you order from us, you’re not only getting precision-cut foam, you’re choosing a supplier with proven reliability, scale, and quality control.

How to Order

Ordering your foam equilateral triangles is straightforward:

1. Measure the side length and thickness required.

2. Choose your foam grade – soft, medium, firm, high-density, or memory foam.

3. Add finishing options – dacron wrap and stockinette for a polished, long-lasting result.

4. Order Now – We’ll cut your triangle foam with CNC precision and deliver anywhere in the UK.

FAQs

What is equilateral triangle foam?
Foam cut into a triangular shape with three equal sides, commonly used for corner cushions, bay windows, and acoustic panels.

Where are equilateral triangle foams used?
They’re often used in bay window seating layouts, caravan cushions, bespoke furniture builds, and soundproofing applications.

How do I measure for equilateral triangle foam?
Simply measure the length of one side and the thickness. For complex projects, providing a template, sketch, or DXF file ensures accuracy.

Can you cut precise triangle shapes?
Yes. Our CNC profiling machines ensure sharp edges, equal sides, and perfect repeatability across bulk or custom orders.

What foam grades are available?
We supply equilateral triangle foam in soft, medium, firm, high-density, and memory foam, allowing you to choose the right comfort and durability.

Do you supply trade customers?
Yes. As one of the UK’s biggest foam converters, we handle bulk trade supply as well as one-off custom orders.

Do you provide finishing options?
Yes. We offer dacron wrap for added softness and shape retention, plus stockinette to protect the foam and make fitting covers easier.

Order Today

Get the perfect fit with Foam Equilateral Triangles Cut to Size from Intercounty Supplies – delivering precision, comfort, and professional quality for over 30 years.

👉 Order Now to receive your custom-made triangle foam cushions, cut exactly to your size and grade requirements.
💬 Need help with measurements, templates, or choosing the right foam grade? Contact Us – our expert team is ready to guide you.