It will be possible for the "exterior wall to be constructed first, followed by the lower roof" at the junction between the first-floor roof and the second-floor exterior wall.
The "Betelgeuse Rater" is a water drainage component (compatible with both colonial and single roofing) that can be installed on the roof junction even if the under-roof construction is not completed, allowing for exterior wall work to proceed first. The installation is straightforward, and there are no issues with compatibility for retrofitted rain guards. Additionally, it has received very positive feedback from craftsmen and helps improve construction efficiency. 【Lineup】 ■ YY136 Pre-installed wall-side drainage - Betelgeuse Rater A ■ YY136-1 Retro-fitted rain guard - Betelgeuse Rater B ■ YY136-2 Retro-fitted rain guard compatible waste board - Betelgeuse Rater C *For more details, please download the PDF or feel free to contact us.
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We started as an oil and hardware store within Himeji Castle in the 17th century and launched as a manufacturer of metal building materials in 1964. Currently, we are one of the few manufacturers that can supply a complete set of ventilation ridges, roof accessories, and wall accessories. We actively utilize IT to manage a wide variety of items, with around 5,000 registered products alone. We have obtained patents for our ventilation ridge series and are committed to research and development. In celebration of our 50th anniversary, we introduced our corporate brand "hauseco," which combines the German word for house, "hause," with "eco" for ecology. Additionally, we have changed our company name from Hausen San-Ei Co., Ltd., which has been cherished for many years, to Hauseco Co., Ltd., and we will renew our commitment to expanding our business activities. Hauseco promises to continue being a brand that provides new value in creating healthy and comfortable living spaces.