Diamondflect Shield

A rectangular sheet of silver, textured heat shield material with a smaller matching strip beside it, displayed on a white background.

A large, square, silver quilted heat shield mat is laid flat next to a rectangular silver strip on a white background.

A white, square-shaped heat shield mat with a textured honeycomb pattern is shown next to a separate narrow rectangular strip, both placed on a plain white background.

A large, rectangular silver heat shield mat is laid flat on a white background with a small white strip placed near the bottom edge.

American Made Since 1985

Diamondflect Shield

Peel, Stick, and Block the Heat

High-performance adhesive heat shield designed to reflect over 90% of radiant heat. Lightweight, flexible, and ideal for firewalls, floors, and tunnels.

Capable of reflecting up to 90% of radiant heat
Blocks heat and reduces noise with dual layer insulation
Adhesive backing sticks to almost any clean smooth surface
Flexible and trims easily with scissors or utility knife
OEM grade durability tested
Includes Cool Foil Tape to seal edges and seams
Made in the USA with high-temp, automotive-grade materials

900°F

482 °C

Continuous

1800°F

982 °C

Intermittent

Product Types

181020

10 in x 24 in x 1/8 in thick

181021

21 in x 24 in x 1/8 in thick

181022

10 in x 12 in x 1/8 in thick

181023

21 in x 48 in x 1/8 in thick

181026

42 in x 48 in x 1/8 in thick

Diamondflect Shield – Peel, Stick, and Block the Heat

Diamondflect Shield delivers serious heat protection for performance vehicles. It reflects up to 90% of radiant heat and reduces unwanted noise with its dual-layer design. Use it on firewalls, floor pans, transmission tunnels, or any area exposed to high temperatures.

The strong adhesive backing sticks to most clean, smooth surfaces. You can easily trim the material with scissors or a utility knife to get a perfect fit. Cool Foil Tape comes included to seal seams and edges for a clean, professional look.

Made in the USA from high-temp automotive-grade materials, Diamondflect Shield offers OEM-level durability and easy peel-and-stick installation. Protect your vehicle’s critical components and keep cabin temperatures down with this flexible and lightweight solution.

FAQ

How much heat does Diamondflect Shield block?

Diamondflect Shield is capable of reflecting up to 90% of radiant heat, helping keep your vehicle cooler and more comfortable.

What is the difference between Diamondflect Shield and Sticky Shield®?

Diamondflect Shield has a slightly thinner foil layer and the core is a fiberglass and PET blend versus an all fiberglass core in the Sticky Shield.

Can I cut Diamondflect Shield to fit custom shapes?

Absolutely. The material is flexible and trims easily using standard scissors or a utility knife, making it perfect for tight or irregular spaces.