Resources

About rainwater chain-specific roof drains: Types of roof drains and how to connect them to rainwater chains.

About rainwater chain-specific roof drains: Types of roof drains and how to connect them to rainwater chains.

Rain chains are not only attached to eaves troughs on houses but also increasingly used in various locations. Among them are drainage fixtures called roof drains, which are relatively large and installed in larger buildings. In this edition, we will explain rain chain-specific roof drains and discuss the types of roof drains and methods of connecting them to rain chains.

May 01, 2024
Video Presentation on How to Install Rainwater Chains

Video Presentation on How to Install Rainwater Chains

This is a video summarizing the easy-to-understand installation of the rain chains we offer.
April 03, 2024
Ring-Type and Cup-Type Rainwater Chains: Which One is Right for You?

Ring-Type and Cup-Type Rainwater Chains: Which One is Right for You?

There are two main types of rain chains: ring-type and cup-type. We will provide information on each type's characteristics to help you choose the rain chain that is best fit for your installation location.

 

March 23, 2024
The secrets of making tubular rain chains: Toh, Ta-ke, and Tama

The secrets of making tubular rain chains: Toh, Ta-ke, and Tama

At SEO RAIN CHAIN, we manage every step from design to production. Today, we're giving you a glimpse into the production process of our rainwater chains.

March 11, 2024
Photographer: Syoichi Uchiyama

Where should rainwater chains be installed to maximize their advantages?

Where should rainwater chains be installed to maximize their advantages? The following is an overview of the favorable situations and locations for rain chain installation, while listing the advantages and disadvantages of rain chains.

March 06, 2024
The Role of Rainwater Chains:  The advantages and disadvantages of a rain chain?

The Role of Rainwater Chains: The advantages and disadvantages of a rain chain?

This article discusses the advantages and disadvantages of rain chains. If you are considering installing one, be sure to check it out.

February 29, 2024
Tags: advantages
What should I do in this situation? What to do when the rain volume exceeds the drainage capacity of the rainwater chain?

What should I do in this situation? What to do when the rain volume exceeds the drainage capacity of the rainwater chain?

We are often asked about rain chains because they have less drainage capacity than conventional downspouts, and they are not able to handle the rare, strong rainfalls that are expected. I want to share with you some examples from the past of how we, together with our customers, have dealt with these problems.

February 21, 2024
Swing width of a rain chain

Swing width of a rain chain

Due to the structure of the rain chains, we recommend that the rain chain be installed at a certain distance from the building, as rainwater that flow down the chain...
February 19, 2024
Tags: wind
How water travels inside the drain pipe

How water travels inside the drain pipe

When rain chains are used for drainage on a flat rooftop or balcony, water flowing through the pipes in the slab will run down along the inside walls of the...
January 12, 2024
Three things to check before installing Rain Chains.

Three things to check before installing Rain Chains.

 Here are some basic checklist items to consider when selecting Rain Chains.   If you are concerned about water splashing or frequent overflow during rainfall after installing Rain Chains, you...
July 31, 2023
How to Choose Rain Chains Based on the Amount of Precipitation

How to Choose Rain Chains Based on the Amount of Precipitation

Precipitation is the amount of rainwater that falls in a given time period, assuming that water does not escape by evaporation or drainage.   You may see rainfall amounts such...
July 17, 2023
[Press Release] The creation of a facade in new form, designed to conserve energy in buildings. (Product Name: Envi-lope01)

[Press Release] The creation of a facade in new form, designed to conserve energy in buildings. (Product Name: Envi-lope01)

 *Photo of building exterior and facade Envi-lope01 (Photo by Nikken Sekkei) We are pleased to announce that SEO Inc. (Headquartered in Takaoka City, Toyama Prefecture; CEO: Ryosuke Seo) has co-developed...
July 03, 2023