Foil Heating System – FOIL
Foil mats are specifically designed for use without thin-set or adhesives under carpet, laminates and floating floors. Come with a 10-Year warranty. Specification Sheet Installation Manual

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1 120V vs. 240V Floor Heating: Which Voltage Should You Choose?
Both deliver 13.1 W/sq ft. Learn when to choose 120V or 240V electric floor heating, how room size decides, and whether 110V is the same as 120V.
Learn more2 Electric Floor Heating Layout Considerations: Spacing, Clearances, & Installation Rules
Learn electric floor heating layout considerations, including cable spacing, wall and fixture clearances, furniture placement, and common installation mistakes to avoid.
Learn more3 What Flooring Can Be Used with Underfloor Heating?
Learn which flooring works best with electric underfloor heating. Compare tile, vinyl, wood, laminate, carpet, and concrete installations, recommended heating systems, temperature limits, and installation requirements.
Learn more4 Can Radiant Floor Heating Be a Primary Heat Source? Heat Loss, BTUs, and Sizing Guide
Yes, radiant heat can be used as a primary heat source. Learn how to calculate heat loss, convert watts to BTUs, and confirm radiant floor heating can heat your room on its own.
Learn more5 Can Warmup’s Foil be installed on stairs?
Warmup's Foil heating system can not be installed on stairs or on walls. Warmup's Foil is suitable under carpet, engineered wood, or laminate.
Learn more6 Can you install Ultralight Insulation Boards under a Foil Heater System?
Yes, you can install Ultralight under Foil Heater Systems. While the Ultralight Insulation Board will deliver the best performance, the Warmup® Insulated Underlay may also be used as a more economical option for installation under…
Learn more7 Foil Installation Video
See for yourself how easy installing our foil heating systems are. Click here for the installation video.
Learn more8 General installation notes for the Foil Heating System
"Draw an installation plan showing the placement of the mats, floor sensor, and lead wire(s) to the thermostat. The Warmup Foil heating system should be at least 6"" away from walls for laminate and 12""…
Learn more9 How do I check if the cable is working ?
The only way to see if the cable is going to work and is not damaged is to use an ohmmeter to check the resistance between the heating conductors matches what it should be in…
Learn more10 Installing the FOIL System Under Carpet
We have outlined some important reminders to ensure proper functioning of your Foil Floor Heating System. Click "Read More" for details.
Learn more11 Installing the Sensor Probe
It is vital that the floor heating thermostat's floor probe was not only installed but done so the right way. Click "Read More" for details. Make sure that the sensor probe is installed underneath the…
Learn more12 What to do when Installing FOIL on a Concrete Slab ?
Click "Read More" or more information about installing on a concrete slab.
Learn more13 How long after flooring installation should we wait to use the heat?
Are you wondering how long after installation you have to wait to begin using your floor heating system? Learn all about wait time in this post.
Learn more14 How do I register a product warranty?
If you are finalizing a Warmup installation it is almost time to register your warranty! Find the link here to the warranty registration page.
Learn more15 Connecting Your Foil Heating System
For tips for connecting and programming your system click "Read More".
Learn more16 How Long will my Electric Floor Heating System Take to Heat Up?
It depends on a lot of factors, but a classic installation over ¾” plywood with NADWM mats would take about 30 minutes to heat from 60F to 80F. Click "Read More" for details.
Learn more17 What is the maximum heating temperature for the FOIL system?
Are you using the Warmup FOIL system and wondering what the maximum heating temperature is? This post gives you the information you're looking for.
Learn more18 How much does underfloor heating cost to operate?
If you are considering an underfloor heating system you can read more here about running costs.
Learn more19 How thick is the foil?
If you are planning an underfloor heating project you are probably wondering about product thickness. Learn more about how thick the foil product is here.
Learn more20 What is a foil electric floor heating system?
Learn more here about what a foil electric floor heating system is and what applications it is best suited for.
Learn more21 How do Floor Heating Systems Work?
Learn more about the basics of how underfloor heating works.
Learn more22 Can you feel FOIL under carpet?
If you are installing the FOIL product under carpet you may be wondering if you can feel the product through the carpet. Good question! Learn more here.
Learn more23 Can you hear FOIL under carpet?
If you are installing the FOIL product under carpet you may be wondering if you can hear the product. Great question! Learn more here.
Learn more24 How to identify and repair a broken underfloor heating cable.
Learn how to repair a damaged heating mat or loose wire system with our step-by-step guide. This article provides detailed instructions to help you restore your underfloor heating system quickly and safely.
Learn more25 Can I have a technician come to my home?
Are you looking for troubleshooting support at your home? We are here to help online and by phone 24 hours, 7 days a week.
Learn more26 How does the infrared thermal camera work?
Are you experiencing uncertainty with your underfloor heating and looking to get answers? An infrared thermal camera may be the tool you need.
Learn more27 How to check the resistance readings of your electric floor heating system.
To ensure that the floor heating system will function properly, always check the resistance readings of the wires with a digital multimeter before, during, and after installation. Continue reading to learn how.
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