Follow the highlighted links below to read more details about ThermoFin extruded aluminum heat transfer plates. ThemoFin C and ThinFin C are installed under the sub-floor. ThermoFin U is installed on top of the sub-floor and in walls and ceilings.
ThermoFin and ThinFin plate prices are based on the price of aluminum, which is subject to change. Contact us for prices. Plates are lengths of 8 ft and 4 ft and are sold by the box (20 in a box). Minimum order one box. Plate prices do not include shipping.
Use this formula to determine how many plates to order:
Square feet converted to linear feet of plates - if installed 8" on center, multiply by 1.5. If 6" on center, multiply by 2. If there are closets, counters, cupboards, refrigerator, etc., under which radiant heat plates do not have to be installed, in general, we subtract 10% from the square footage. Divide by either 8 or 4 (plate length) and then by 20 for the number of boxes.

The original heavy gauge heat transfer extrusion 4" wide x .0625" thick for installation under the sub-floor  

The original heavy gauge heat transfer extrusion 4" wide x .0625" thick for installation under the sub-floor

 

Economical C shaped extrusion - excellent performance 3.5" wide x .050" thick for installation under the sub-floor  

Economical C shaped extrusion - excellent performance 3.5" wide x .050" thick for installation under the sub-floor

 

U shaped extrusion for over sub-floor, wall and ceiling applications 4" wide x .050" thick

U shaped extrusion for over sub-floor, wall and ceiling applications 4" wide x .050" thick

John lives in upstate New York and recommends heat transfer plates in floor heating applications because of their reliable performance when the temperatures drop in cold climates.

Comparative R-values of Flooring PDF
 

Request FREE SAMPLES or BUY THERMOFIN through our contact page.

ThinFin C Extruded Aluminum Heat Transfer Plates Installed Between Joists

ThinFin C Extruded Aluminum Heat Transfer Plates Installed Between Joists

Example of ThermoFin U and Return Bends Installation

Example of ThermoFin U and Return Bends Installation

Install PEX return bends with ThermoFin U

Install PEX return bends with ThermoFin U

MadeInUSA.jpg

ThermoFin Heat Transfer Plates are proudly made in the USA.

 


COMPARATIVE FLOORING R VALUES - PDF File

Add insulation to the ThermoFin radiant installation without touching the insulation to the plates. Batting should be installed with a gap between the insulation and the plates and sub-floor. The white baffles in the illustrations below indicate insulation.


Use the shorter length hardwood flooring nails to avoid puncturing radiant floor heating installations when installing wood flooring. The graphic below is a guide for nail lengths.

Wood floor installers should use nails that will not penetrate the bottom of the sub-floor.  Use ThermoFin, a better heat transfer plate for your installations. ThermoFin will give you better heat transfer, using lower supply water temperatures, which in turn leads to lower fuel bills.

ThermoFin C - video of installation by contractor Montana Radiant

Below are some of the instructional videos on the Radiant Design & Supply Youtube channel.  Click on each image to start the video and visit our channel for more.


Here is a page of customer's projects using ThermoFin heat transfer plates. ...Read More