Radiant Floor Slab Design

The insulation phase is crucial for a radiant floor.

Radiant floor slab design. The design and layout of concrete floor radiant heat is often complex and typically should be done by a certified radiant heating professional rather than the concrete contractor. If you are new to radiant heat our design and construction manual is a must read this manual provides a wealth of general information about radiant heat. You can use the tool to create and layout a room with the exact measurements and the fixtures of your choice in order to ensure that your quote is as accurate as possible. This size is adequate for all small to medium size jobs both in residential and commercial projects.

Remember that your slab will be about 75 degrees f. Slab insulation methods calculating heat loss tubing options system options and much more all written in easy to understand language for the homeowner with pictures and diagrams. 1 2 oxygen barrier pex is the most popular size used for radiant floor heating in both thick and thin slabs. Many people don t know how much tubing to put in and unfortunately radiant heat isn t a one size fits all proposition.

5 8 barrier pex can be used for larger projects where high btu load is present due to lack of proper insulation larger than normal slab thickness or special project considerations. Copper within con crete is highly susceptible to corrosion and a lifespan of 50 years for a radiant floor was considered exceptional. Zurn radiant heating design and application guide radiant panel heating increases our comfort in many ways. This movement is metered through a resistance design which inhibits flow and increases resistance head pressure.

Our online design tool is the first of its kind in the radiant heating industry. The greater the sum of r values of the floor assembly above the tubes the closer the tubes and or the hotter the fluid temperature must be. But they all suffered from one primary problem longevity. Carpet or concrete have for all practical purpose identical abilities to emit radiant energy and so the only difference floor coverings have on the design is in the tube spacing and fluid temperature.

For example radiant floor heat has more even floor to ceiling temperatures than other systems since the heat starts on the floor. The temperature profiles of a typical radiant floor heating system and a typical forced air heating system. Using our guidelines below you. Desired floor coverings and the impact on system capacity floorcoverings are an important design element to architects and owners.

The warmlyyours design tool for radiant heating quotes. It is useful to understand radiant floor heating systems typically have two to three times more capacity in heating mode than in cooling mode and can be more forgiving with a wider range of possible fluid temperatures. Radiantec concrete slab quick kits what is a radiantec quick kit. Mainly heated slabs radiate outward rather than downward so insulation on the edges of the slab is most important.