Car Builders Under Bonnet Insulation – Peel and Stick Heat Shield

Car Builders Premium Under Bonnet Insulation is the go-to solution for protecting your vehicle’s bonnet from engine heat and vibration while also improving cabin comfort. Whether you’re restoring an older vehicle, replacing worn factory insulation, or simply upgrading to a cleaner, quieter bay — this peel-and-stick bonnet heat shield is easy to install, highly effective, and built to last.

Made from non-ignitable polyester fibre and rated to 405°F (207°C), this self-adhesive insulation sheet conforms to almost any bonnet shape, sticks securely, and can withstand high-pressure washing without degrading or detaching.

Its sleek, all-black finish offers a tidy, OEM+ look, while the sound-deadening properties reduce engine noise and vibration for a noticeably more refined driving experience.

Features & Benefits:

• High Heat Resistance – Rated up to 405°F (207°C)

• Water & Washproof – Survives high-pressure cleaning

• Non-Ignitable Polyester Fibre – Safe and durable

• Self-Adhesive Backing – No glue, no mess

• Professional Black Finish – Looks great in any engine bay

• Flexible & Trim-to-Fit – Conforms to curves and corners

• Reduces Engine Noise – Makes the cabin quieter

Common Applications:

• Bonnet underside (engine bay)

• Firewall/hood heat shielding

• Restoration & classic car upgrades

• 4WDs, hot rods, street machines, and daily drivers

Installation Tips:

• Start from the centre of the bonnet and work outward

• Use a roller to apply pressure as you peel back the adhesive

• Cut with a sharp blade after install for clean edges

• Clean the surface thoroughly with wax & grease remover before applying

• Optional: Add 5–10cm extra material when pre-cutting to allow for contours

FAQ Summary:

Q: What does under bonnet insulation do?
It protects paint from engine heat and reduces engine noise by dampening vibrations.

Q: Will it fit my vehicle?
Yes. The sheet can be trimmed to suit any bonnet. Available in two sizes.

Q: Does it need glue?
No. It has a strong, self-adhesive backing.

Q: Can I pressure wash my bonnet with it installed?
Yes. It’s designed to hold up under high-pressure washing.

Pickup or Delivery

Available for pickup at Lowe Fabrication in Western Sydney or fast shipping across Australia. Ideal for pro builders, restorers, and enthusiasts.