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Electric heating elements or hydronic piping can be cast in a concrete floor slab ("poured floor system" or "wet system"). They can also be placed under the floor covering ("dry system") or attached directly to a wood sub floor ("sub floor system" or "dry system").
A faster rate of snowmelting will require closer spacing of tubing, typical spacing is 6-8". Another key factor is the amount of insulation used under the slab. Hydronic tubes that are cast into concrete slabs will create an uneven heating pattern in the concrete thus causing uneven stresses to occur within the concrete slab.
Underfloor heating systems—electric or hydronic; Wall heating systems; Radiant ceiling panels; Underfloor and wall heating systems often are called low-temperature systems. Since their heating surface is much larger than other systems, a much lower temperature is required to achieve the same level of heat transfer. This provides an improved ...
In the oldest modern hydronic heating technology, a single-pipe steam system delivers steam to the radiators where the steam gives up its heat and is condensed back to water. The radiators and steam supply pipes are pitched so that gravity eventually takes this condensate back down through the steam supply piping to the boiler where it can once ...
Hydronic radiant floor heating systems use a boiler or district heating to heat water and a pump to circulate the hot water in plastic pipes installed in a concrete slab. The pipes, embedded in the floor, carry heated water that conducts warmth to the surface of the floor, where it broadcasts heat energy to the room above.
A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving ( see below ).
A low-density reinforced concrete roof with a few percent of rise and a wax or asphalt infusion could hip the roof, balcony and terrace, reducing leaks, yet leave the terrace usable. The insulation (e.g. by pumice aggregate) of the low-density concrete would reduce condensation on rafters (i.e. dry rot), ice-dams on the roof (leaks), and ...
The slab can be decoupled from ground temperatures by insulation, with the concrete poured directly over insulation (for example, extruded polystyrene foam panels), or heating provisions (such as hydronic heating) can be built into the slab. Slab-on-grade foundations should not be used in areas with expansive clay soil.
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