Radiant Floors

Low-Mass Radiant Floors:

Low-mass staple-down systems deliver radiant heat by attaching PEX tubing directly beneath the subfloor, typically between joists, using aluminum heat transfer plates for efficient output.

Unlike high-mass systems, they heat up and respond quickly, giving you better control and comfort without long lag times. Warm water from a boiler circulates through the tubing, gently heating the floor above and radiating even, consistent warmth into the space.

Key Benefits:

Fast response and precise control
Even, draft-free comfort
Ideal for retrofits and existing homes
Lower operating temperatures with proper design
Quiet, efficient, and out of sight

This system is a clean, high-performance solution for adding radiant comfort without major structural changes.

Under Floor/Staple Up Radiant Floors :

Under-floor staple-up systems are typically used in retrofit applications where the finished flooring remains in place.

PEX tubing is installed from below—usually between floor joists—making it a practical solution when access is available from a basement or crawlspace.

The tubing is secured beneath the subfloor, often with heat transfer plates, and warm water is circulated to heat the floor above.

Because the heat must travel through the subfloor before reaching the space, this is generally the least efficient form of radiant floor heating and requires careful design to perform well.

Key Considerations:

Best suited for retrofit projects with underside access
Lower output compared to other radiant methods
Performance depends heavily on plates and insulation
May require higher water temperatures

While not as efficient as other systems, staple-up can still provide comfortable, even heat when properly installed and insulated.

High Mass Tie Down Radiant Floors:

High-mass tie-down systems use PEX tubing fastened to a reinforcement grid (rebar or mesh) and embedded directly into a concrete slab.

The slab acts as a large thermal mass, storing and slowly releasing heat for consistent, even comfort.

Because of this mass, these systems have slower response times but deliver extremely stable temperatures and high output—making them ideal for new construction, basements, garages, and snowmelt-style applications.

Key Benefits:

Maximum efficiency at low water temperatures
Extremely even, consistent heat
Ideal for large open spaces and slabs
Long-lasting and durable system

This is one of the most robust and efficient forms of radiant heating when designed correctly, built for performance and longevity.

Warmboard Radiant Floor (Subfloor Inlay):

Warmboard is a high-performance radiant system where PEX tubing is installed into precision-routed channels within structural subfloor panels. The tubing sits tightly within these grooves, allowing direct contact with an integrated aluminum layer that rapidly transfers heat across the floor surface.

Because the tubing paths must be carefully routed and fitted, this system is more labor-intensive than other radiant methods—but the payoff is exceptional performance and control.

Warmboard is available in multiple panel types:

Warmboard‑S – a 1-1/8" structural subfloor panel used in new construction
Warmboard‑R – a 13/16" panel designed for retrofit or overlay applications

The aluminum surface layer makes Warmboard extremely conductive, allowing for lower water temperatures, faster response times, and highly even heat distribution—making it one of the most efficient radiant floor systems available.

Key Benefits:

Exceptional heat transfer and responsiveness
Lower operating temperatures = higher efficiency
Even, consistent comfort across the floor
Ideal for both new builds and retrofit applications

Warmboard is a premium solution, combining structural performance with industry-leading thermal efficiency.