Monthly Archives: February 2012

Wood Burning Stoves & Chimneys

Chimney linings

The effectiveness of the chimney is determined by the linings of the chimney. If the chimney is

enclosed in the building, then it radiates heat well and causes the warmth to distribute itself well

in the house.

Differences in pressure due to the presence of the flue cause the flame to fan. Insulation of the

flue is essential for crucial functioning of the flue.

Presence of a large aperture reduces the pressure of the upward gases. This can also cause

broken linings and blockages plus build up of materials.

It is advisable to match the lining of the flue with the stove outlet. The inner wall should be

smooth while outer side corrugated and thus avoids crushing. A rain cap is also good to install to

prevent the stove from having downwards flow of air.

The chimney requires a pack to cater for ventilation. The material for this includes the high heat

resistant UV polystyrene. A stainless steel plate is necessary at the end of the installation is

necessary for avoiding draughts.

Wood Burning Stoves & Accessories

Woodburning stove Accessories

Outdoor Accessories

When you install you a stove, then you need a few item. You need to have reliable source for

seasoned wood. But alternatively, you can harvest your own wood using a trailer to the home

where the stove is. You need a saw to fell trees and shape them into sizable logs that can enter

into the stove. You still need another equipment to cut them into sizable splits. The logs are

stored well horizontally to allow air to circulate and avoid rotting. Moisture meter can be used to

measure the amount of moisture in them to avoid burning wet wood which is prone to tar.

Alternatively, newspaper can make logs by damping them and pressing them and drying them

outside.

Indoor accessories

Choice of devices is made by the individual. A shovel, brush and a poker would be helpful

indoors. Poker can be flat for scooping ash while another one can be tong shaped to roll logs

inside the stove. Gloves are necessary to protect oneself from getting burned. However, wood

worm should be taken care of to avoid infections.

A fender as well as guard is necessary to protect children from harm if the stove is left

unattended. A thermometer is also good to judge the effectiveness of burning. In addition, it is

also advisable to have Ecofan to help in the distribution of warm around the house. A carbon

monoxide detector has also to be included in the list due to its vital nature.

Wood Burning Stoves – Rules and Regulations

Building and environment Law

There are severally regulations relating to buildings and environment when it comes to woodstoves. Single skinned flue needs to have a three times diameter in space with the flammable material to avoid fires. Double skinned may be preferable since, it is only one third that is allowed. It does not heat and thus cool enough and preferable to many individuals. The flue diameter must be less than stove outlet size. For the flexible liner the diameter should be 6 inch long.

Hearth

The measurement of the hearth should be as follows 225mm on the front, 150mm on the sides and 250mm deep. If the stove should not exceed more than 100°C, then it has to be 12mm thick. Those stove with no natural chimney have to have at least 840 by 840 mm of hearth.

Air ventilation

Stoves that are rated 5kw require to be kept in rooms with air ventilations. This is to increase the

air ventilation to avoid poisonous gases from posing dangers to the occupants of the houses.

Chimney

Correct diameter and tightness are main component. A stain steel tube with casing has a liner

inside the chimney and has insulator in the void. Using double skinned flue is recommended for

burning solid fuel and corrosion resistant grade which are 904 grade. A flexible tube is good for

insertion where the bends are in the chimney. To confirm all is good in the chimney, carry out a

smoke test to ascertain all is well with draught, height and there are no cold spells.

The chimney should be installed 60m vertically above the roof to avoid it flows affecting the fire

and efficiency of the stove.

Smoke detection

Gases from smoke are very harmful. The existing regulations are to install smoke detectors such

that they in case of any unchecked fire, the smoke is corrected. The battery is always checked for

good performance.

Environmental regulation

The regulating bodies give grant to install green machines. This is to conserve the environment

due to the use of wood fuel. In urban areas where they are smoke control areas, then you need to

install the approved model that is allowed by Clean Area Act.

Certain improvement such as using warm air by using a boiler is preferred by builders to use non

renewable resources. Availability of the wood fuel will dictate the choice of the stove to use.

Wood Burning Stoves vs Multi Fuel Stoves

Wood burners as compared multi-fuel stoves

Stoves such as wood burning use was popular because of the availability of coal. Their shape took the shape of the log of wood used to heat. The shape was popular since it was based on the logs of wood. It had a flat base with no moving parts. Air from above is used to heat the wood to light fire.

For stoves using coal, the furnaces are usually circular in shape and usually cylindrical in shape and calls for a movable grate to allow ash to flow underneath. Various designs are in the market and therefore leaves one with choice. Coal burners have different rates showing their efficiency rates. However, in spite of the efficient, costs also may affect its use.

Multi-fuel stoves are however better since they give a user the benefits of using coal and wood together. There are also other materials such as wood paste and compressed paper that can burn well. Different people have different tastes. The choice of the stove can be influenced the design of the room and fireplace openings. There are those stove that are of 3-5kw, 6-8kw and 9-11kw In the market.

Cleanliness of materials

Coal has negative effects after use since it is non renewable and is expensive to extract. It also does emit gases that can be poisonous in the environment. Wood produces carbon absorbed in the forests and but it costly to procure and season it. However, it is does impact on combustion since it has to be seasoned. Generally it is cheap compared to other fuels. A mixture of wood and coal gives off a suphur gases that normally have effect on the flue if it not lined. This may proof to be dangerous in future due to corrosion nature of sulphur vapours.

Wood Burning Stoves repair and maintenance

Maintenance and care of wood burner stove

Care is essential for stoves to enhance safety and efficiency. For a start, consult an expert in repair. It is always advisable to use a brush or a vacuum cleaner to carry out soot accumulated in the stove. All ash is removed and grate as well as the glass window which can be handled using special cleaners. Some of the areas that one can pay attention are the carrion in metal parts which may become loose. Presence of holes can also cause leakage. Flexibility of the vents and doors can also be confirmed as well. Cracking and warping is also another possible area for attention. These areas should be checked to ensure any problem is rectified.

Precautions

Look out for firebricks, fibre cord for fastening doors and windows and heat seal for sealing joints as the main areas for attention. Apply grease to parts that are moving. For corroded areas, wash with grease and then apply spray to avoid corrosion again. Repairing the stove early enough is an effective strategy since it becomes ready for use. Good weather can also allow exterior work on the stove. The vent should also have circulation such that air enters into it. In summary, one needs to have several materials in mind when carrying out repairs. These are sprays, polish cords, cement, fire cleaner and brick stone.

Wood Burning Stoves – A History

History of the wood burning stove

The earliest mankind used fire to warm and cook. However, smoke was an issue accompanied by loss of fuel due to the smoke. The problem was due to air coming from different directions and thus made it impossible to get good flames. IN United Kingdom, they referred to an enclosed space as stofa and which came later to be named stove.

In USA in 1964, inventors made metal boiler using cast iron that was used as a stove. Better designs that arouse are box shaped. Andre in 1984 introduces it in the America. President such as Franklin had their own fashion of stove but not efficient. But later in US, better designs were made to cater for more demand from customers. This modern design has bricks lined so as to conserve heat.

In the design found these days, the designs are better and more efficient with flue such that they fulfill the conditions of the environmental protection.

The benefits of the modern stove is that they are easy to burn and thus produce less effluent to the environment. It is also efficient in that it produces fire at the temperature of 600°C when draught is employed and chimney is well placed. Old stoves are still in use but are not efficient enough and exposes one to dangers of fires. The modern ones have become useful due to relatively expensive prices of oil. Many homes owners prefer to use them for their houses. About 285000 have been sold and installed for use in the United Kingdom and the demand keeps on increasing for better. The authorities have continued increasing their campaign to encourage these trends.

Wood Burning Stove or Multifuel Stove?

Selecting the best type of stove

Wood burning stoves

It burns wood in airtight conditions. It has opening where air enters and has a chimney where the smoke is released. It can use wood from fuel and normally wood such as beech are good for use. Pines is not good since it does leave resin which maybe dangerous at the end. Use of unseasoned wood may also be problematic since it may cause tar formation in the chimney.

The wood burner is advantageous since it burns slowly releasing heat gradually. It is also less polluting to the environment since carbon dioxide produced is absorbed by the trees. Besides, wood is locally available and can be used when there is power blackout. In addition, they have romantic appeal.

However, wood cannot be efficient coal and tar can cause blocking and fire hazards. For tree, they have to be specific type and also be seasoned enough such that they are dry.

Multifuel stoves

They have mixed fuel such as wood and coal all burned on a grate with opening underneath it. It has also glass door where the fire is found and a chimney to expel smoke.

This is a flexible method that can utilize both wood and other materials to burn. When using coal, it burns efficiently such that no tar is formed. Since coal is usually ready as compared to wood which needs seasoning, then it is efficient.

However, use of cheap coal may proof to be unfriendly to the environment. Some of them give a lot of smoke and also coal is more expensive than wood.

Repairing Wood Burning Stoves

Repairing wood burner stoves

Sometimes, the stoves have problems such that they do not work efficiently. The most sign for failure in proper functioning is usually smoke being visible. A proper check in the following areas can help detect any problems.

The Stove door

Gaskets are common problem which can cause smoke coming out from the stove. Replacement of the parts can be done upon an advice of a qualified expert. If the chimney is smoking, then check on the following areas. The chimney could be blocked by something thus does not allow smoke to pass through. The type of wood also can cause smoking of the chimney. If it is not seasoned, then it becomes a problem. Poor ventilation of the room where the stove is kept can also be another cause of smoking from the stove. A number of chimney being opened can also affect the way a stove functions. If both of them open, then one should be closed.  Another problem can be detected from the insulator. If it not working, then warm air cannot raise to expel gases out of the stove. The cap of the chimney should be always closed to prevent water or debris entering the chimney which can cause smoking. The size of the chimney and the opening place also affect efficiency of the stove. The chimney should be inspected by a qualified expert to determine the best length.

Other problems can be checked are downdraught. This is puff of smoke that occurs intermittently from the stove. These can be solved by having the correct length of the chimney. Chimney fires are also another problem which can result from tar igniting in the chimney. This is why it advisable to clean the chimney once in a while to remove accumulated materials.

Flue can also cause smoking of the wood burner stove. This indicates the flue has broken seals and need to be sealed. Materials such as fire cement can help to seal the leakages.

Wood Burning Stove Regulations

Environment regulations regarding wood burning stones

The objective of the regulation is to take care of the safety of users and also take care of the environment.

During installations, it advisable to do it correct to avoid fire and poisonous gases. Expert can help in installing to avoid any hazard when using wood burning.

Planning department should be notified of the installations as well carrying out of smoke test to find whether they are leakages in the chimney.

The heart should be made of an insulator such that heat does not damage the surrounding. It should be 250mm in thickness, and also be a distance of 150mm from the material underneath it. A notice of the installation should be fitted on the building where the chimney is being installed. In addition, there should be an alarm to alert leakage of carbon monoxide.

The ventilation of the stoves have to be easy combustion and also allow escape of gases. The stove should also have draught stabilizer to allow for air circulation. Chimney should always have linings so that poisonous gases do not escape to the air. For new chimneys, they should have flue liners and an insulator between the liner and the chimney. When using an old chimney, the flexible liners with no joints should be used.

The flue should allow gases to escape such that they don’t go back to the building. Therefore, the flue should be apart from the building. Regulation normally governs the length diameter and outlet heights. This also includes the distance flue is from the combustibles. For example, the flue should at reasonable distance from the roof of the building to avoid gases going into the building. As to the flue pipes, there are no regulations regarding the length of the flue pipe. All regulations are usually known a qualified installer and should be adhere to.

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