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Knowledge base

We share our knowledge to help customers navigate the choices that have to be made when building a house and provide answers to frequently asked questions.

Frequently asked questions

Modular or volumetric element house construction is one of the prefabricated construction systems that produces volumetric parts of the house (modules) in the factory and ships them to the building site. ZTC produces buildings in panelized system which means that the building is prefabricated in wall, roof, floor elements that are delivered and assembled on site. Each timber frame house construction system has its pros and cons.

The building set is produced in Latvia and delivered to the construction site via road transport (and ship where necessary). As a rule of thumb a building kit for an outside finished house may require a truck for about every 30-40 m2 of floor. However this can vary a lot depending on how high thermal resistance requirements are for the building, type of siding, the complexity of architecture and other factors.

Find out more about prefab house delivery.

A standard scope of a project from ZTC includes:

  • Panelized building elements, siding and sheathing materials
  • Thermal insulation and other insulation materials
  • Roofing
  • Rain gutters and downpipes, external windowsills
  • Wooden windows and doors
  • Delivery
  • Installation

These are tailored to customer’s needs and interior finishing can be provided in some cases.

Production of a house includes development of production and installation designs which takes about 2 months for a single family house. When the design is finished it takes about a month to produce. The delivered building set is installed and finished from outside within a month. The overall timeline depends on the scheduling for each of these services and is agreed upon in the contract. Client’s circumstances such as building permissions from municipality often influence the project schedule.

Wood houses built by ZTC have a service life of at least 50 years. With proper care and maintenance the house will last for many generations.

The type of foundation is determined by the type of ground the house will be built. As wood houses are lighter in weight than masonry generally foundations for wood houses cost less. It is important for the foundation to be very level for the installation to go quickly and it wouldn’t require additional levelling work.

Yes, we simply require your architect to complete the full architectural drawings which we will then use to create your timber frame manufacturing drawings.

Prefabricated wood panel house advantages

Prefabricated wood panel houses are quickly gaining popularity as a cost-effective and eco-friendly alternative to traditional stick-built homes. These homes are constructed using panels made from wood, which are manufactured in a factory and then transported to the building site for assembly. In this blog, we'll discuss some of the key advantages of prefabricated wood [...]

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It’s time to start judging building sustainability by looking at the whole building life cycle not just energy efficiency during it’s use. See how timber frame buildings stack up in a life cycle assessment and what can be done to build as sustainably as possible.

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Making sense of prefab construction – panelized or modular

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Prefab house price offer comparison – avoid common mistakes!

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If there’s nowhere to build – build up! Building extensions

Wood panel construction is a great opportunity to improve and develop existing buildings where other development possibilities are scarce. Building extensions upwards could be a gamechanger in the years to come!

Building in timber frame and CLT helps reduce emissions

Timber structures would allow us to draw carbon from the air and store it in our homes and offices – leading some to believe that wooden buildings are the future of architecture.

Optimal indoor air humidity is important for health

Ecological house built with “breathing” envelope structures act as a buffer between differing air humidity levels inside and outside. Living in optimal relative humidity can improve health, comfort, productivity nad sleep quality.

Achieving Best Value From Wooden Panel Houses

To understand how wooden panel houses are the best value you have to look deeper than just a comparison of material costs. Fast, lightweight and precise construction has beneficial implications on cost beyond the material.

ZTC switches to ecological insulation with newest system

From November Zemgale Technological Centre has changed the production process to using an industrial insulation system, so that panels are packed with cellulose or wood fibre wool with the highest quality.

6 tips on choosing the best house design for you

So many questions and so many choices. Make choosing the right house design for you easier with these 6 simple steps.