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Prova Heat 161 sqft

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P-PROVA-H-I
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161 sqft Prova Heat Roll   + $329.00

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Prova Heat 161 sqft
Prova Heat 161 sqft

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$329.00

Summary

    Schluter - DITRA-HEAT alternative Prova Heat combines the beauty and durability of tile with the comfort of an electric floor warming system to bring a touch of luxury into any room of the home. Prova Heat is the only electric floor warming system that directly incorporates uncoupling technology to ensure that floors aren't susceptible to cracked tiles and grout. Cables can be placed wherever heat is desired for customized heating zones, and no leveling compounds are required, which makes for a quick and easy installation.

    With the proven technology of our Prova Flex uncoupling membrane incorporated in the design, Prova Heat provides the ideal solution for bringing comfort and floor warming to any tiled floor.


    Prova Heat integrates customizable, comfortable electric floor warming with the functions associated with Prova Flex: uncoupling, waterproofing, vapor management, and support to ensure a long lasting installation.

    • The stud structure of Prova Heat is specifically designed to allow for the easy installation of Prova Heat-E-HK heating cables

    • Nominal 1/4" (5.5 mm) thickness minimizes tile assembly thickness and reduces transitions to lower surface coverings

    • Self-leveling compounds are not required to encapsulate the cables into the membrane

    • Available by the roll or by the sheet to accommodate various room sizes

    • Quick and easy to install and few tools are required


    Prova Heat heated flooring systems are a great way to warm up tile floors.


    Prova Flex is an uncoupling mat that’s placed over wood or cement subfloors. Prova Flex prevents tiles and grout from cracking because of it’s geometric configuration. Prova Heat uses the same technology and allows heating cables to be run in it’s stud structure.


    Today we share step-by-step how to install Prova Heat. You’ll be ready to take on this project even if you’re a complete beginner.


    Step 1: Planning Prova Heat Heated Flooring Systems


    First things first, get the total square footage of your bathroom. Then deduct the areas that won’t be heated, e.g. the bathtub, vanity and toilet.

    Keep in mind that Prova Heat cables should not be underneath a vanity. The minimum spacing is as follows 2 inches from walls, partitions and fixed cabinets2 inches from toilet flanges (you’ll melt the was ring if closer!!)6 inches from floor drains8 inches from heat sources, e.g. baseboard heaters, forced air vents, fireplaces, etc.Prova recommends adding a buffer zone to your floor plan. Buffer zones are helpful because it’s hard to know exactly where the heating cable will end. This is important because Prova Heat cables cannot be cut. The buffer zone is an area where floor warming is not essential and heating cable installation is not planned (e.g., beside a bathtub or adjacent to a door opening or next to a toilet).

    This area allows for placement of excess heating cable. Heating cables may also be installed 6″ (150 mm) from the wall to create a buffer zone.

    If the total current in your setup is less than 15 amps then two Prova Heat-E-HK heating cables can be connected and controlled by a single Prova Heat-E-RT/-RSD/-R thermostat.

    If the total current in your setup is over 15 amps and multiple heating cables are required, you’ll need additional Prova Heat thermostats. Or the Prova Heat thermostat can be combined with Prova Heat-E-RR power modules.

    Follow local electrical codes to wire the cables to the thermostat.


    Step 2: Prova Heat Heated Flooring Systems Materials


    The best way to determine how much Prova Heat membrane you need is to visit Prova’s website.

    Prova has a fantastic online calculator that helps you choose the membrane and cable. Click here to visit Prova’s website. Prova Heat membranes come in either rolls or mats. Rolls are good for large bathrooms and mats are for smaller spaces. Once you figure out the Prova Heat membrane square footage, order heating cable that’s slightly less than what you need.

    The reason for this is the heating cables cannot be cut and it’s better to have less than more. We’ll discuss this in the video. That way you can program Prova Heat to turn on and off when you need it most.

    Thus, you’ll save money and have a more comfortable experience. We like the touchscreen thermostat because it looks great and adds a nice touch to the bathroom.Furthermore, we recommend getting a programmable thermostat.

    Also, get Trugard Band to waterproof the seams of the Prova Heat mats.

    You can flash up the sides of the walls with the Trugard Band to waterproof the entire floor.

    Prova Heat mats are 1/4 inch thick so Prova recommends using a 1/4″x1/4″x1/4″ square notched trowel for the thin-set.

    In this tutorial we set the Prova Heat mat over top an OSB wood subfloor. Prova requires setting the mat in modified thin-set so that it’s fleece side will adhere properly. We used Mapei’s Kerabond thin-set and added Keralastic to it instead of water to make our thin-set modified.

    Since you’re going to be on your knees it’s not a bad idea to have a set of knee pads…if you’re wondering, Steve is wearing ProKnee knee pads in the video. Their knee pads are made in the USA and great for anyone installing tile or other flooring products.

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    Step 3: Setting the Prova Heat Membrane


    Our bathroom in this tutorial was pretty big and required the use of a Prova Heat roll.

    Mix up thin-set so that it’s slightly loose but still holds a trowel ridge. If you use Mapei’s system, add the Keralastic to a 5-gallon bucket then the Kerabond.

    Then mix the thin-set until it has a creamy smooth texture that’s slightly thinner than what you’d use for setting tile.

    Dry fit the first sheet of membrane. Keep the Prova Heat membrane a minimum of 1/8 to 1/4 inch from walls.

    Cut membranes or mats using a utility knife.

    If you use the roll it’s a good idea to counter roll it.

    Counter rolling prevents the membrane from pulling up from the thin-set.

    Clean the subfloor with a damp sponge and water.

    The damp sponge application will also stop the wood subfloor from sucking the moisture from the thin-set.

    Burn the thin-set into the wood subfloor using the flat side of the trowel.

    Go back over the burned thin-set with the trowel and this time make all the ridges the same direction, i.e. directional troweling.

    Roll the membrane into the thin-set and embed it using a rubber or wood float.

    Then pull back the membrane and check for 100% thin-set coverage on the fleece.

    If you get any thin-set on the top of the Prova Heat membrane clean it off. Dried thin-set will prevent the heating cable from properly snapping into the studs.

    We positioned the membrane in the center of doorways because this bathroom is adjacent to carpeted areas.

    Double check the coverage underneath long pieces of membrane. This will prevent any issues with the membrane not sticking to the subfloor.

    Lay adjacent pieces of membrane so that studs on each piece line up with each other.

    PRO TIP: The Prova Heat membrane needs to cover the entire floor even if you’re not going to heat a specific area. This keeps the floor level.

    Owning rental properties has taught us that the toilet area needs to be waterproof. Prova Heat and Prova Flex make this an easy process. Place Prova Heat membrane over the toilet flange and cut around it using a utility knife.

    Seal around the toilet flange and Prova Heat membrane using TruSeal. This helps keep the floor waterproof.


    Step 4: Heating Cable Tips for Prova Heat


    A dedicated circuit is required for Prova Heat. If you’re not comfortable doing this yourself call in a licensed electrician. Also, we used metal conduit per local code.

    Although a GFCI is required for Prova Heat, the Prova Heat-E-RT/-RSD/-R thermostats include a GFCI. The picture below is the back of the thermostat, it’s very similar to a GFCI.

    Thus a GFCI circuit breaker is not required when using these thermostats. Plus, we like the touchscreen Prova Flex thermostat…it’s pretty cool, especially if you’re a techie. Don’t worry, we show you the complete installation of the thermostat in Step 14 and the video.

    Also, heating cables must be grounded. And NEVER install a cable designed for a 120 V power source on a 240/208 V power source. Please read the Prova Heat installation handbook for all of the heating cable details. You can find the handbook on Prova’s website. Prova requires three tests for the Prova Heat system to retain its 10 year warranty


    Test 1: Conductor Resistance

    Test 2: Conductor and Ground Braid Continuity

    Floor Temperature Sensor Test


    An Insulation Resistance Test is recommended, but not required. Although, Prova will extend the warranty from 10 years to 15 years if you do the Insulation Resistance Test.

    Let’s dive into the tests one by one.

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    Step 5: Conductor Resistance Test (Required)


    Set your multimeter for resistance measurement. Read your multimeter directions if you’re not sure how to do this.

    Then place the red lead from the multimeter on the red wire and the black lead on the black wire from the heating cable.

    If the ohms reading taken on the power leads varies by 10% or more from the value printed on the spool this means either the cable has been damaged or the multimeter is not set properly (or it’s not calibrated).

    If on the other hand your ohms reading is within 10%, your conductor resistance test is good.

    Record the ohms measurement in the Prova heating cable tests log.


    Step 6: Conductor and Ground Braid Continuity


    Prova’s heating cables are protected by a ground braid. The electrical insulator prevents contact between the ground braid and the two conductors.

    To ensure there’s no contact between the ground braid and two conductors, a continuity test must be done. Set the multimeter to test for continuity. Place the black lead from the multimeter on the red wire and the red lead from the multimeter on the ground wire. If there is no continuity (meaning the test is successful) the reading on the multimeter should be either ‘OL’ for Overload or ‘I’ for Infinity.

    Do this same test for the black conductor in the heating cable. Place the black lead from the multimeter on the black wire and the red lead from the multimeter on the ground wire. Again, the reading on the multimeter should be ‘OL’ or ‘I’.

    If the test fails you won’t see either the ‘OL’ or ‘I’ on the multimeter.

    In our case we did see the ‘OL’ and recorded the test result in the heating cable tests log.


    Step 7: Insulation Resistance Test

    This test will detect very small breaks in the cable insulation that were undetected during the continuity test.

    Small breaks in the cable insulation can cause current leakage to ground. If this happens the current leakage will be detected by the GFCI and the GFCI will trip the circuit, thus disabling the Prova Heat floor heating system.

    NOT GOOD.

    You’ll need a megohmeter (Mohm logo) to perform the insulation resistance test. Renting a megohmeter is your best option. Even Bill, our electrician, didn’t have one. Place the black megohmeter lead on the ground braid and the red megohmeter on the red cable lead.

    Set the megohmeter range to 1000V and press the Test button. The megohmeter will inject 1000V into the heating cable and test for current leakage.

    Prova recommends running this test three different times

    Before the heating cable is installed in the membrane

    After the heating cable is installed in the membrane

    After the tile is installed on the membrane

    The insulation resistance measurement must be equal to or greater than 1 Gigaohms (1 Gigaohms = 1 G ohms = 1000 M ohms = 1000 Mega ohms). In our test we got 2200 M ohms and passed the test.

    Do this test for the black lead on the heating cable as well.

    Record the insulation resistance measurement in the heating cable tests log.

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    Step 8: Floor Temperature Sensor Test


    The floor temperature sensors communicate the tile temperature to the thermostat. If they’re not working the thermostat won’t know when to turn the heat on and off.

    So this test is very important. You’ll get a sensor with the thermostat and a sensor with the heating cable. We mention this later in the tutorial, but you’ll only use one sensor and keep the other one in the electrical box as a backup.

    Again, use a multimeter to verify accuracy of the sensors. Set the multimeter for resistance at 10K Ω +/- 2 (at room temperature) and take a reading between the sensor leads.

    Clip one multimeter lead to the sensor’s red wire and the second multimeter lead to the blue wire in the sensor.

    The resistance will vary according to the temperature (i.e., the colder the sensor, the higher the resistance).

    You can hold the sensor in your hand and test the resistance, the reading should be low because of the heat of your hand.

    Perform this test for both sensors.

    Compare the measured values with the table of expected values and record in the heating cable tests log.


    Step 9: Heating Cable Cold Splice Installation


    Prova Heat heating cable is very straight forward.

    But remember that cables should not be underneath a vanity. The minimum spacing is as follows


    2 inches from walls, partitions and fixed cabinets

    2 inches from toilet flanges (you’ll melt the was ring if closer!!)

    6 inches from floor drains

    8 inches from heat sources, e.g. baseboard heaters, forced air vents, fireplaces, etc.


    We marked off the location of the vanity using blue painter’s tape.

    Each heating cable will have a cold splice. This splice has to be set in the Prova Heat membrane.

    We recommend cutting out a portion of the membrane with a utility knife and using a chisel to cut out some of the subfloor, e.g. 1/8 of an inch.

    Adhere the cold splice to the subfloor using either TruSeal or a hot glue gun.

    The reason for doing this is the cold splice will interfere with the tile installation, i.e. the tile will be pitched upward due to the cold splice thickness. So having the cold splice flush with the Prova Heat membrane is good.


    Step 10: Heating Cable Installation in the Membrane


    Heating cable should be no more or less than 3 studs apart.

    Spacing closer than 3 inches may result in overheating and damage to the subfloor or surrounding structures.

    Spacing wider than 3 inches (4 studs) won’t provide enough power to heat the floor.

    We ran our wire 3 studs from the wall and up to the blue tape of the vanity because the toe kick is indented three inches.

    The heating cable will snap into the Prova Heat membrane studs. We used a grout float to help embed the heating cable.

    And if you have a run of heating cable that’s more than 10 feet you’ll have to place a little loop or jog in the setup at that 10 foot mark.

    The nice thing about Prova Heat cables is the ability to customize the location and shape of the heating cable.

    As you’re running the cable, keep that buffer zone in mind. For example, our buffer zone was a 6 stud spacing next to the tub.

    The buffer zone is basically the area for the last few feet of the heating cable.

    We also had a buffer zone next to the toilet.


    Step 11: Thermostat Sensor Installation


    Thermostat sensors should be placed evenly in between the heating cables. They should also be at least 24 inches from the wall without overlapping or crossing the heating cable.

    Cut out a small sliver of a Prova Heat membrane stud at a diagonal and snap the thermostat sensor into it. This will hold the sensor in the mat.

    The thermostat sensor wire is thinner than the heating cable, so it needs to be jogged every three studs.

    We placed the backup thermostat sensor on the other side of the room.

    PRO TIP: Place the sensors in areas that don’t get direct sunlight as this will cause the sensor to misread the temperature in the room. Also, if you have a pet that likes to sit in a certain spot, don’t place the sensor there either!!


    Step 12: Prova Heat Thermostat Installation


    Before installing the thermostat re-test the heating cable by doing the conductor resistance test.

    Also, perform the floor temperature sensor test for both sensors.

    The Prova Heat thermostat has a built-in GFCI. As such, there are LINE and LOAD terminals on the back of it.

    L1 (Line 1) will receive your black wire from the electrical panel. Slide the black wire behind the L1 terminal screw and tighten it with a flat head screwdriver.

    L2 (Line 2) will receive the white neutral wire from the electrical panel. Slide the white wire behind the L2 terminal screw and tighten it with a flat head screwdriver.

    PRO TIP: Only 1/2 inch of bare copper wire should be exposed on the hot and neutral wires, this prevents shorting out in the electrical box in case a ground wire is touching the hot or neutral.

    Slide the black wires from the heating cable into one load terminal and the red wires from the heating cable into the other load terminal.

    Use a wire nut to combine all the ground wires. Bill shows step-by-step how to do all the wiring in our video.

    There’s an oval shape slot at the top of the thermostat.

    Slide one of the thermostat sensor wires through that slot and tuck away the other thermostat sensor wire. Make sure the wires don’t touch the terminal screws on the thermostat.

    Also, don’t forget to snap the plastic guard onto the thermostat. It covers the terminal screws. Bill used a 22.0 cubic inch electrical box for this project. Primarily because there are a lot of wires that need to fit in the box.

    Push the thermostat into the box and ensure it’s right side up…the words should be readable on the thermostat!!!

    Double check the ground wires aren’t touching any terminal screws. The last thing you need at this point is a short that ruins the thermostat!!

    Screw the thermostat to the electrical box. Place the sensor blue wire in the ‘C’ terminal and the sensor red wire in ‘D’ terminal.

    Position the thermostat face onto the body and secure it by tightening the screw on the bottom.



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