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Ordering a new fireplace for the old house

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Fireplace that stores heat is a smart decision for every home. Wood heating will greatly increase the comfort of living, and to substantially reduce energy bills. Comfortable and natural heat is the …

Fireplace that stores heat is a smart decision for every home. Wood heating will greatly increase the comfort of living, and to substantially reduce energy bills. Comfortable and natural heat is the welfare and quality of life at its best.


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  • 1. Ordering a new fireplace for the old houseWhen a new house is build, it is easy to fit a fireplace in. But when thefireplace is installed to the old house, there are several things to consider. Thefollowing is a case study is about a house that has been built in 1970, and hasan oil burner as a main source of heating. The owners of the house ended upusing the services from Uunisepät, but in any case the process of setting thenew fireplace to old house is the same.The heating system of the house under a case study was in the goodcondition; both the boiler and the burner had been renovated recently and theoil consumption was reasonable. The reason why owners the house wanted tohave a secondary heat source was that the oil price was getting up.Atmospheric home evenings next to the fireplace were in mind also.First the owners went to see different fireplaces to get some idea aboutdifferent types of options in the market. They ended up with heat reservingfireplaces and liked the models from Uunisepät, so they contacted the localrepresentative of Uunisepät in their area. After one phone call the date wasset for the representative to come to visit their house.During this visit the representative of Uunisepät discussed about the needsand wishes of the house owners. Strength calculations were made andchimney options checked in order to make sure, that the installation waspossible in the place where the owner wanted to set the fireplace. Therepresentative of Uunisepät suggested different designs and solutions for thefireplace - that were considered helpful by the owners.
  • 2. Calculations and careful planning help to avoid the mistakes that may lie in thefuture. In this case the condition or the structure of the house did not set anylimitations for the fireplace installation, so there was a wide selection offireplaces to choose. After the consultation with the Uunisepät representativethe owners ended up with the Uunisepät model called “Erkkeri Nostalgikko”.The heating capacity of this particular fireplace was 4,2 kW, which is enoughfor heating about 70 square meters from this 130 square meter house. Theowners also preferred the stylish look of the fireplace that suited well for theirinterior and the style of their house. How to retrofit a fireplace?In this article it has been described, how a fireplace is installed in an old housethat has no fireplace previously. At this case the fireplace to be installed isfrom Uunisepät, but the same process is with any fireplaces.When the fireplace is ordered straight from the manufacturer, they will supplyall materials needed for the fireplace installation. In this case the orderconsisted of three pallets of goods.The chimney for the fireplace was built using Leca blocks. Both the innerbarrel and the insulation around it are delivered in various lengths, whichmake the installation easy.The background of the fireplace was built from the fireproof material in orderto protect the initial wall structures of the house. Typical for the houses from
  • 3. 1970’s, this house was built to a concrete slab. Therefore the weight of thefireplace and the chimney were placed directly on top of the slab. Thisoperation required the dismantling of the floor structures. It was carried out adetailed sizing and using a mechanical knife cut. With the help of buildingblocks the fireplace was then lifted to the same height with the room floor.On the top of the building blocks the fireplace’s bottom plate was installed.This installation step have to be made extra cautiously: if the base plateposition deviates from the horizontal position, the error multiplies easily whenthe fireplace rises. The same careful attitude must be obtained when startingthe tile laying; the error is easy to see in the end result.The walls of the old houses are never straight, and the move a bit followed bythe heat and moisture, so there should be some space left between thefirewall and the fireplace. This too gives the possibility to place the installationtotally horizontal position.One of the roof bar of the house was in chimney’s way so it needed to be cut.Luckily it was not one of the load-bearing structures, but not any risks wheretaken during the installation: the ends of the cut bar were re-attached.After the fireplace structure was set, the fireplace was decorated with thechosen tiles and seamed. Installers cleaned up after seaming, so that therewould be no need for the owners of the house to clean. When this couple inthe evening looked at the living room, they felt that the fireplace had beenthere forever!
  • 4. New fireplace for the old houseFireplace that stores heat is a smart decision for every home. Wood heatingwill greatly increase the comfort of living, and to substantially reduce energybills. Comfortable and natural heat is the welfare and quality of life at its best.Renovating an old house and adding a fireplace in it is one of the majorpurchasing decisions during the renovation. Fireplaces are often wanted tohomes that do not already have the chimney. Many fireplace manufacturers,like Uunisepät, have a full service for chimney foundation that will take care ofeverything included in the process of installing the fireplace in the old house.When purchasing the fireplace comes topical, the first thing to consider is forwhat purpose the fireplace is planned to use. Is there a need for heating, or isthe atmosphere most important? Would someone like to do some baking? Isthe fireplace planned as space dividers, is it an interior design object to catchthe gazes?Home visit for technical calculations is needed for all houses to be renovatedwith fireplace. The aim of this visit is to ensure a straightforward setup, andmake sure that the fireplace deliver is supplied with all the right components.When the fireplace is ordered from Uunisepät, the fireplace specialist ofUunisepät makes the home visit. At this visit the location of the oven ischecked together with safety distances, and all permits, licensing matters andregulations are checked over with the owners of the house. The specialist alsoplans firewall issues, and will help with domestic help reductions if they arepossible to use. If the fireplace is used for heating, the size of the fireplace has
  • 5. to be determined by the surface area to be kept warm.If the building has had a fireplace already and new fireplace is intended to setat the same place than the old one, the foundation of the fireplace is not anissue. For the old house, which has no fireplace installed, the structure loadcapacity of the floor must be checked. Same goes with an old chimney: if theold chimney is to be connected to the new fireplace, it must have the conditionchecked. The building control unit of the city must be contacted and the needfor planning permission needs to be determined.If the old chimney does not have a flue damper, the damper can be installedto the connecting pipe. The fireplace can be installed also on the destination,where there is no chimney or flue damper at all. In this case an expert needsto determine the best place for the chimney from roofing materials, bushings,traction conditions, and weather shelters in mind. All special cases are beingplanned and made according to the designers instructions. Contact http://www.uunisepat.fi/etusivu