Why a Low Profile Castellated UFH System Is the Ideal Choice for Renovations
When it comes to renovation and retrofit projects, finding a heating solution that delivers modern comfort without disrupting the existing structure can be a challenge. Many homes and commercial buildings simply don’t have the floor depth for traditional wet underfloor heating setups. That’s where the low profile castellated UFH system stands out as a smart, efficient, and installation-friendly solution.
What Is a Low Profile Castellated UFH System?
A low profile castellated UFH system uses specially designed castellated panels that securely hold underfloor heating pipework in place. The “low profile” nature of the system means the panels and heating components add minimal height to the existing floor—often just 20–30mm, depending on the build-up.
This design allows installers to lay pipework quickly and accurately, creating a robust wet UFH system without the need for deep screeds or extensive subfloor work.
Why Low Profile Matters in Renovation Settings
Renovation projects often come with strict constraints:
Limited floor height
Existing doors, thresholds, and fixtures that can’t be raised
Mixed floor constructions
Historic building considerations
A traditional underfloor heating system often requires a significant depth for insulation, pipework, and screed. In contrast, a low profile castellated UFH system offers all the benefits of wet UFH without disrupting the building’s existing architecture.
Key Benefits of a Low Profile Castellated UFH System
1. Minimal Floor Build-Up
One of the biggest advantages is the ultra-slim construction. This makes it perfect for:
Retrofitting older properties
Renovating apartments or multi-storey dwellings
Maintaining original door heights
Avoiding costly modifications to staircases or fixtures
2. Simple and Clean Installation
Castellated panels make pipe routing straightforward. This reduces:
Installation time
On-site waste
Risk of installation errors
The panels lock the pipe into place, creating consistent pipe spacing for even heat distribution.
3. Ideal for Renovation Projects
This system shines most in renovation work where traditional UFH simply isn’t feasible. It’s particularly useful in:
Apartments or flats
Older homes with wonky subfloors
Projects requiring minimal disruption
4. Excellent Heat Output in a Compact Format
Despite its thin build-up, the system offers high heat efficiency thanks to:
Consistent pipe spacing
Good contact between pipes and the thin screed or levelling compound
Even heat distribution across the entire floor
This ensures comfortable, stable warmth without cold spots.
When Should You Choose a Low Profile Castellated UFH System?
This system is the perfect fit when:
Floor height is limited
You’re retrofitting UFH into an existing building
You want the performance of wet UFH without deep screeds
Speed of installation is a priority
Why HORSTAD Recommends This System
At HORSTAD, we specialise in supplying high-performance underfloor heating solutions designed specifically for professional installers. Our low profile castellated UFH system is engineered to deliver reliability, fast installation, and excellent comfort levels—ideal for renovation specialists who need flexibility without compromising on performance.
Looking to learn more or need guidance on which underfloor heating system is right for your project? Reach out to our team – we’re here to support you at every step.
