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OÜ Ranman Grupp


Nõmme village Kasepää parish,

49506 Jõgevamaa, Estonia

Phone/fax: +372 7734 555

GSM: +372 57 703 377

E-mail: ranman@ranman.ee

About the log home: frequently occurring, preferences and recommendations.

Preferences for handcraft log home


  • The naturalness of wood remains, matching together better logs
  • Handcraft log home never repeats
  • The handcrafted work by the company’s carpenters is of extra value

Environmental milieu

  • using minimal technical producing
  • less material waste than milling cutting material

Preparing the log home


  • Log home has a healthier microclimate and stabile humidity, which is best for allergic people. The log home has less statical electricity, thus less dust.
  • Log home is breathing — the inside air is fresh

Natural and traditional

  • Timber is a natural material
  • Timber is traditional building material


  • Timber has heat-proof and detaches the heat according to the inside temperature. During winter time the house keeps warmth and in the summer it is pleasantly cool.
  • The timber temperature is pleasurable, taking the closer outside temperature


  • The construction is relatively resistant to earthquake; it can be incline, bend but is still unbreakable
  • Log home is rebuilding house

What kind of timber we use?

  • Handcrafted log houses are produced from pre-dried logs in dry production conditions. Timber material is pine tree (Pinus sylvesteris) from Estonia and it is pre-dried in maximal humidity of 20%

Log house heat-proof

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  • The log house heat-proof depends on the heat that moves through the construction
  • Nowadays heat-proof building material is better than timber, but with superior thermal heating floors, roofs and windows we achieved the same results
  • The heat-proof of the timber depends on the pre-dried logs, tenons and groove
  • The thickness of the walls is important — prepare the house or a summer cottage
  • For the house the timber should be at least 200 mm

Log home´s fireproof

Fire is a danger to all kinds of buildings and for that three components become important:

  • Burning material
  • Oxygen
  • Heat

Wood is ignition on 300 C° or on the very high heat 400 C°.

It is possible to produce timber with chemical protection that is less ignitative but not fireproof. On the unfired logs can stay the charring — frame and sturdiness. Metal construction will change fluency and collapse on the fire, but massive of logs is more fireproof than metal construction.

Subsidence of the log house

On the time the cross-log can dry and make the natural waste. Cross-section is 3–6%, for 1 meter 3–6 cm. On the pre-dried timber is the subside less, 2–3%. Finally the house will be subside for 2–3 years. Then the subside is accounting on the project and building work time, there will be no problems in the future. Orifices will be fit on the constructions by girder and it gives capacity for movement.

About the groove

The groove is technically cut horisontal line on the upper log which is copied onto the lower log. On 200 mm log, groove is less than 80 mm and 25 mm deep, which guarantees enough warmth to the rooms. More frequently used thermal material is flax.. It does not collect humidity and it is weatherproof. Depending on the customers’ choice, we can use other material: moose or sheep wool.

Maintenance of log home

For a prolonged timber age, it is recommended to cover the house after five years with the wood protector.

Stiffness of the timber wall

For the stability of the cross-log wall we are using dowels, which make the logs more stiff with respect to one another; the distance between two dowels is 1,5-2,0 meters.

Length of the walls

There are no limits to the walls’ length, because continuing with tenons and dowels guarantees the house’s stability.

Different profiles

In the choice of log profile, the greatest change is visual:

  • Who likes natural round log;
  • Who prefers square log’s smooth wall.

In Norway, the traditional log choice is usually square log due to its smooth wall. In Estonia, both types of log are used for building.

What is stav-laft construction?

Using together a log and wooden construction. Usually the first floor is vertical log frame. Outside board is covered with uncut plank and the second floor is with natural logs or wooden construction. Stav-laft is common in Norway. Stav-laft construction is made by handcraft and is more economic for the customer. Client can also choose interior decoration that is more interesting

The formation of the house price

Each produced log house is unique, but so are not the type projects and the standards on prices. The price will be formed according to vision, developing for that correct building solution, the location of house and other components.

With reference to handcraft log homes, price is calculated according to the wall square meter, not floor square meter.


Any kinds of foundations can be used, including the ground.

About the roof

Natural heavy material is recommended: grass or stone roof. Heavy roof puts the log lines correctly together. Also, we can use any other kinds of roofs. It depends on the customer choice.

Are thicker log better?

Logs that are more massive are more solid, but can also result in more expressive works. However, massive log can dry deep lines on timber that eventually spoils the look of the house.


Whereas the natural log does not very often need painting, the charges are low.

Our company´s quality

Our company has a long-term tradition in the production of log homes. In our job we follow the Norwegian log home requirement „Brjansenorm for laftebygg“.

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OÜ Ranman Grupp