
Meet the HallmaxPRO: A Premium Double / Twin Rebate 70mm Composite Door Upgrade
If you’re looking for the next level in composite door performance, the HallmaxPRO 70mm twin double rebate composite door slab is the premium upgrade you’ve been waiting for.
Built for those who want more — more insulation, more strength, and more presence — the HallmaxPRO doesn’t replace our popular 44mm composite doors; it complements them. While our 44mm range remains the go-to solution for installers across the UK, the HallmaxPRO offers an enhanced specification for homeowners who want the very best.

What Is a Twin Rebate Composite Door?
A twin rebate composite door (also known as a double rebate or 70mm composite door) features two seals instead of one. This adds an extra layer of protection against draughts, wind, rain and noise. The increased slab thickness — 70mm compared to the standard 44mm — not only improves thermal efficiency but also gives the door a more solid, secure and premium feel.
Why Choose the HallmaxPRO 70mm Composite Door?
Here’s why trade professionals are choosing HallmaxPRO as their premium composite door offering:
✅ Exceptional Thermal Performance
With enhanced insulation, the twin rebate system helps keep heat in and cold out. It’s an ideal solution for homeowners looking to reduce energy bills and improve their home’s EPC rating with up to A.
✅ Double Rebate = Double the Seal
The dual rebate system provides two compression seals around the door leaf, significantly improving weatherproofing and soundproofing. This is especially beneficial for properties exposed to harsher weather or higher street noise.
✅ Robust, Solid Feel
The 70mm slab gives the door a weighty, high-quality feel that many end users associate with premium builds. It’s a small detail that makes a big impact when doors are opened and closed — a detail that helps you win more jobs.
✅ Enhanced Security
A thicker door means more room for reinforced cores, upgraded locking systems, and greater resistance to forced entry. The HallmaxPRO supports PAS 24 and Secured by Design requirements when specified.
✅ Visual Impact
With deeper embossing and a solid, substantial frame, the HallmaxPRO has undeniable kerb appeal. It works seamlessly with our existing Hallmark composite door range, sharing the same high-end finishes, colour options, and glazing designs — while offering a bold new alternative.
✅ Works with the Hallmark Door Designer
Just like our 44mm composite doors, the HallmaxPRO is available to quote and design instantly in our online door designer. Trade customers can log in via now.hallmarkpanels.com to view trade pricing and access the HallmaxPRO range.


When to Recommend a 70mm Composite Door
The HallmaxPRO is the perfect upsell for:
- Homeowners upgrading insulation or security
- High-end new builds
- Prestige renovation projects
- Properties in exposed or coastal locations
It also gives your business the ability to offer a clear product tier — helping you stand out from competitors and build trust with customers by offering the right door for the right need.
All the Benefits of Hallmark, Now with Even More Substance
As with all Hallmark composite doors, the HallmaxPRO comes with:
- UK manufacturing and quality control
- 10-year product warranty
- Colour-match assurance across the full range
- Easy install with installer-friendly detailing
And because we don’t compromise on quality, you can be sure that this twin rebate option meets the same exacting standards that have made Hallmark the UK’s No.1 composite door manufacturer.
Ready to Offer More?
You can quote, customise, and order HallmaxPRO doors today. Whether you’re looking to add a premium range to your business or respond to rising customer demand for thicker, more insulated doors — HallmaxPRO makes it easy.
➡️ Explore our composite doors
➡️ Start designing in our door designer
➡️ Log in as a trade customer
































