Spiral Anchor 85 x 28 mm is a durable fastener designed for easy and secure installation on polystyrene insulation. Made from strong polyamide, it provides reliable fixing for lightweight elements up to 5 kg. Perfect for preserving thermal insulation without wall damage.
£1.25 ex. VAT
998 in stock
The Spiral Anchor 85 x 28 mm is a high-performance screw-in fastener specifically designed for installing lightweight elements (up to 5 kg per anchor) directly into polystyrene insulation layers – without penetrating the underlying wall structure. Made from high-strength polyamide, it offers excellent resistance to wear, UV exposure, and temperature fluctuations, making it a reliable choice for both interior and exterior applications.
This anchor is ideal for mounting elements such as signs, lighting fixtures, camera brackets, house numbers, and small utility holders onto ETICS (External Thermal Insulation Composite Systems) without compromising thermal insulation performance.
Durable Polyamide Construction
Resistant to weather, aging, and thermal changes.
No Thermal Bridges
Does not penetrate the wall – preserves insulation integrity.
Quick and Easy Installation
Screw-in design allows for fast mounting with no pre-drilling.
Reliable Load Capacity
Holds up to 5 kg per anchor in polystyrene substrates.
The Spiral Anchor 85 x 28 mm is perfect for:
Installing small fixtures on insulated facades
ETICS and polystyrene-based insulation systems
Mounting house numbers, signage, security devices, and more
Use by professional installers, electricians, facade contractors, and DIY users
This fastener eliminates the need for complex drilling or wall penetration, ensuring thermal insulation layers remain intact and efficient.
Mark Position
Identify and mark the spot where the anchor will be installed.
Screw in the Anchor
Using a screwdriver or bit adapter, twist the spiral anchor directly into the polystyrene insulation. No need to pre-drill.
Attach the Fixture
Once the anchor is fully seated, attach the desired element using a standard screw that fits into the center of the anchor.
Check Stability
Ensure the mounted element is secure and within the 5 kg load limit.
Choose the Spiral Anchor 85 x 28 mm for secure, simple, and insulation-friendly installations on polystyrene surfaces — built to perform and made to last.