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  1. Home
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  6. What is a two-by-four construction house?

What is a two-by-four construction house?

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last updated:Dec 23, 2025

トキワシステム
トキワシステム
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Explanation of features such as merits and demerits, as well as seismic resistance!

There are two types of construction methods for wooden single-family houses: "traditional method (wooden frame construction)" and "two-by-four method (wooden wall construction)." In this article, we will focus on houses built using the two-by-four method and explain its advantages and disadvantages. In today's world, where earthquakes are frequent, we will also discuss earthquake resistance, as well as earthquake countermeasures such as seismic resistance, seismic control, and seismic isolation. If you are considering living in a house that is strong against earthquakes, please take a look. *For detailed content of the column, you can view it through the related links. For more information, please download the PDF or feel free to contact us.

    Earthquake-proof and vibration-damping equipment
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What is a two-by-four construction house?

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  • What is a seismic control device called a "seismic damper"?
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Proposal for Application-Specific Plans for the Vibration Control Device "α Damper Ex II"

Proposal for Application-Specific Plans for the Vibration Control Device "α Damper Ex II"

TECHNICAL
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Seismic control device for wooden houses αDamperExII (αDamperExII)

Seismic control device for wooden houses αDamperExII (αDamperExII)

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Hydraulic Vibration Control Device for Wooden Houses 'α Damper ExII' *Pamphlet included

Hydraulic Vibration Control Device for Wooden Houses 'α Damper ExII' *Pamphlet included

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Seismic control device for wooden houses αDamperExII

Seismic control device for wooden houses αDamperExII

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[Construction Example] α Damper EXII New Construction Project

[Construction Example] α Damper EXII New Construction Project

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[Construction Case] α Damper EXII Renovation Work

[Construction Case] α Damper EXII Renovation Work

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Earthquake safety measures for peace of mind

Earthquake safety measures for peace of mind

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Seismic resistance level maintained by seismic dampers - Building homes that can be lived in even after a major earthquake.

Seismic resistance level maintained by seismic dampers - Building homes that can be lived in even after a major earthquake.

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Started providing evaluation reports that clearly show the effects of the α Damper Ex II installation at a glance.

Started providing evaluation reports that clearly show the effects of the α Damper Ex II installation at a glance.

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The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

The superiority of the α Damper ExII in suppressing the reduction of building strength due to major earthquakes.

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National Seismic Hazard Map 2018 Edition

National Seismic Hazard Map 2018 Edition

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トキワシステム

トキワシステム

Building materials, supplies and fixtures manufacturers

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Tokiwa System Co., Ltd. is a company that develops, manufactures, and sells the seismic control device αDamperExII. It is a pioneer in seismic control devices using hydraulic dampers. The αDamperExII has received the number one track record and trust in the Tokai and Tonankai earthquake warning areas, and it will soon be adopted in 10,000 buildings. The αDamperExII is a hydraulic seismic control device that reduces building deformation caused by earthquake shaking by approximately half.

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