

This article showcases a case study of interior renovation in Aoba Ward, Yokohama City.
Kakeru Koumuten Co., Ltd. also handles interior painting and construction!
This time, we performed a ceiling replacement!
目次
- 1 Ceiling Replacement Procedure in Aoba Ward, Yokohama City
- 2 Maintenance Timing Guidelines
- 2.0.1 1. Wallpaper Renovation
- 2.0.2 2. Flooring Renovation
- 2.0.3 3. Toilet Renovation
- 2.0.4 4. Kitchen and Bathroom Renovation
- 2.0.5 5. Lighting and Outlet Renovation
- 2.0.6 6. Door and Window Renovation
- 2.0.7 7. Air Conditioning and Heating Equipment Renovation
- 2.0.8 8. Overall Renovation (Complete Interior Update)
- 2.1 Points to Consider When Deciding on Renovation Timing
- 3 Leave Your Interior Renovation in Aoba Ward, Yokohama City to Kakeru Koumuten Co., Ltd.!
Ceiling Replacement Procedure in Aoba Ward, Yokohama City
1. Removal of Existing Ceiling
2. Building the Ceiling Base
3. Attaching Gypsum Board
What is Gypsum Board?
It is a board made of a white powder that hardens when mixed with water and becomes hard when dried.
It is also fire-resistant and is commonly used for walls and ceilings.
4. Applying Putty
If wallpaper is applied without putty, it may peel off easily, show unevenness, or in some cases, may not adhere at all, so we generally recommend applying putty.
5. Wallpaper Application
Since the adhesive for wallpaper contains moisture, there may be a phenomenon where the wallpaper swells partially right after application (for a few hours to a few days).
As the moisture evaporates, the wallpaper will be pulled and adhere to the wall, resulting in a clean finish.
After the Ceiling Replacement Work
What is a Louvered Ceiling?
It is a ceiling commonly used in Japanese-style rooms, characterized by thin grooves between the boards.
Materials Used
| Materials Used |
Wallpaper ☞ Sangetsu / Mass-produced Wallpaper SP9775
|
|---|
Maintenance Timing Guidelines
1. Wallpaper Renovation
- 10 to 15 years
Wallpaper deteriorates depending on usage frequency and environment, so it is advisable to consider replacement every 10 to 15 years. In particular, in places with high humidity like kitchens and bathrooms, or areas with strong sunlight, fading, staining, and mold growth may occur more quickly.
2. Flooring Renovation
- 10 to 15 years
Flooring tends to show wear and tear, so it is good to consider renovation every 10 to 15 years. Especially in households that frequently move heavy furniture or have pets, wear progresses more quickly. It is important to not only repair the surface of the flooring but also check the condition underneath and renovate as necessary.
3. Toilet Renovation
- 10 to 15 years
Toilets generally have a replacement guideline of about 10 years.
4. Kitchen and Bathroom Renovation
- 10 to 20 years
Kitchens and bathrooms are used frequently, so the equipment may become outdated or deteriorate. In particular, sinks, stoves, and bathtubs deteriorate quickly, so it is advisable to consider renovation every 10 to 20 years. Additionally, replacing with the latest equipment can improve usability and energy efficiency.
5. Lighting and Outlet Renovation
- 10 to 20 years
Replacing lighting fixtures and outlets is typically done when they look old or their functionality declines. Incorporating the latest LED lighting and smart features can enhance convenience and energy efficiency.
6. Door and Window Renovation
- 15 to 20 years
Renovation of doors and windows is considered when they become difficult to open and close or when insulation performance declines. In particular, replacing insulation materials or installing double-glazed windows can greatly improve energy efficiency.
7. Air Conditioning and Heating Equipment Renovation
- 10 to 15 years
Air conditioning and heating equipment may lose performance after about 10 years, so it is recommended to replace or maintain them every 10 to 15 years. In particular, air conditioners tend to accumulate dirt in filters and interiors, reducing efficiency.
8. Overall Renovation (Complete Interior Update)
- 20 to 30 years
Overall interior renovation (walls, flooring, ceilings, equipment, etc.) is typically done every 20 to 30 years.
Points to Consider When Deciding on Renovation Timing
Changes in Lifestyle
It is good to create opportunities to review the interior in line with changes in family structure or work and hobbies.
Malfunctions in Equipment or Functions
For example, if heating and cooling become ineffective, or if the usability of the kitchen or bathroom declines, these are signs that it may be time for renovation.
Appearance and Comfort
If dirt, scratches, or fading become noticeable, or if you feel that the interior has become outdated, it is time to consider renovation.
Leave Your Interior Renovation in Aoba Ward, Yokohama City to Kakeru Koumuten Co., Ltd.!
Our company is based in Yokohama City, Kanagawa Prefecture, and we receive many requests for interior renovations in Aoba Ward.
While we specialize in exterior renovations, we also have a wealth of experience in interior renovations.
If you have any concerns or questions such as “I just want to know the estimate for interior renovation” or “My property is getting old, so I want to at least make it look nice,” please feel free to contact us!
Summary
That concludes our case study of interior renovations in Aoba Ward, Yokohama City.
While our company primarily handles exterior renovations such as roofing, we also frequently respond to interior renovations and repairs due to water leakage damage.
Additionally, for interior repair work due to water leakage damage, if you are enrolled in “fire insurance,” it may be possible to apply for coverage under the fire insurance.
Estimates and inspections are, of course, free! If you have any concerns regarding roofs, rain gutters, exterior walls, or external structures, please consult with Kakeru Koumuten Co., Ltd. in Aoba Ward, Yokohama City!
We are also happy to assist with interior matters! Since our main work is exterior renovation, it may require consultation, but we hope to be of help in any way we can!
Kakeru Koumuten Co., Ltd. conducts complete in-house construction from temporary scaffolding work to roofing and exterior wall painting.
We are confident that we do not fall short compared to others in terms of “cost, quality, and efficiency”!
Since we are confident, we welcome competitive estimates!
We offer comprehensive construction guarantees and aftercare, and we have received positive feedback for our cost performance and appropriate proposals that align with our customers’ future life plans!
We want you to feel, “I’m glad I asked them!” and we take every request seriously.
We also have information on roofing costs and pricing plans for roof overlay (cover method), so please take a look if you’re interested!
We look forward to your inquiries. Thank you very much.
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Helpful information about exterior renovations can be found here!
LINE consultations are also very welcome◎
AAA is a young company with an average age in the early 20s, but our technology is second to none.
One of our greatest strengths is that we can do all of our own scaffolding, roofing, and painting work. In this industry, where work is generally divided, we are able to provide a complete set of services, which saves time and effort in management and reduces costs. Above all, if there is any trouble, we will come to you right away!
We can confidently declare this. We are the youngest and most friendly renovator in Kanagawa!



