Advice / Ideas please! I need to install the tile tomorrow......

Directly under the stove I would think the heat loss would be minimal. More importantly is the rest of the floor and most importantly the walls. Is this a finished and insulated basement ??? If not, you are gonna lose a TON of heat to the outside. see below ....



http://www.woodstove.com/pages/basement_install.html

Shawn

The concrete floor in my basement doesn't seem to warm up very much under my stove. Mine has an ash pan and you can put your hand on the bottom of the stove when the top is cooking at 500 F. That said, you can calculate expected loss using information provided in the ASHRAE 1981 Fundamentals Handbook, Chapter 25.7 table 4.

If the width of your house is 24 foot and the basement is five foot below grade, the floor heat loss coefficient is approximately 0.029 Btu/h ft^2 F. If your stove warms up a 60 F floor to 110 F, and you are heating 10 ft^2, then your heat loss from stove warming could be estimated ~ (0.029)*(10)*(110-60) = 14.5 Btu/hour.

Wider house or deeper basement would be slightly less loss. Narrower house or shallower basement would be slightly more loss. I am talking 10-20% when I say slightly. Of course, you can change the temperature and square footage to suit your circumstances.

In other words, don't worry about heat loss insulation under your stove.

Tile over concrete will be just fine. The purpose of hearth pads is to insulate the stove from a combustible floor. Most basement heat loss is via uninsulated walls.

gbailey1972 said:

Thank you, thank you, thank you! The basement is finished and walls are well insulated. I'm just going to tile right on top of the concrete.

God I love this website!!

Greg

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