If you are looking for an exterior wall siding contractor in Aoba-ku, Yokohama, visit Kakeru Koumuten Co., Ltd.
Kakeru Koumuten Co., Ltd. is based in Yokohama and has handled many exterior wall cover projects!
The major benefits of exterior wall cover projects are the following three points!
“Improved insulation”
“High durability with solid guarantees for peace of mind”
“Beautiful finish like a new building that cannot be achieved with exterior painting”
Exterior wall cover projects are gaining attention year by year.
Here, we will also introduce case studies, benefits, points to note, and costs!
Estimates and consultations are free!
We welcome competitive estimates!
What is the exterior wall cover method?
We will explain in detail the recommended points and precautions of the exterior wall cover method!
The exterior wall cover method is a construction method that overlays a new exterior wall on top of the existing one.
It is possible to overlay various types of walls, such as ALC walls, ceramic siding, and mortar walls.
The exterior materials used in the exterior wall cover method are generally lightweight and durable metal siding.
Although the costs are higher compared to exterior painting, it is a method of exterior wall renovation that has various benefits and is gaining attention year by year.
Why is the exterior wall cover method popular?
Here are the “5 points” that make Kakeru Koumuten Co., Ltd.’s exterior wall cover method well-received!
Point 1 Super high durability!!
Metal siding offers an overwhelmingly high expected durability compared to exterior wall painting.
Made of Galvalume steel, SGL steel, and aluminum, there are various types of metal siding, but with aluminum, you can expect a durability of over 40 years!
Additionally, unlike ceramic siding or mortar exteriors, it does not crack or break, making its sturdiness one of its benefits!
If you use high-durability sealing materials, maintenance will be unnecessary for nearly 30 years!
Point 2 Improved Insulation!!
Cross-section of metal siding
The metal siding used in the exterior wall cover method comes with integrated insulation.
Moreover, by installing battens before the metal siding installation to create a ventilation layer, the insulation properties are significantly enhanced!
This improvement in insulation is one of the major benefits of metal siding.
Point 3 Comprehensive Warranty for Peace of Mind!!
While many construction companies offer their own warranties for exterior wall painting, manufacturer warranties are generally not included.
Metal siding comes with solid manufacturer warranties, such as coating and perforation guarantees, providing a high level of peace of mind for long-term exterior renovations!
Point 4 Improved Waterproofing!!
With the exterior material being double-layered, it effectively prevents rainwater intrusion, significantly enhancing waterproofing.
Applying waterproof paper before installation further increases waterproofing!
Point 5 Improved Aesthetic Design!!
Various designs such as wood grain and tile patterns
Metal siding allows for a finish that resembles a brand-new construction, which cannot be achieved with exterior painting.
There are various designs available, ranging from simple styles to tile-like and wood grain patterns.
You can choose from a variety of designs to match the atmosphere of your building and your personal preferences!
Major manufacturers include Aiji Industrial, Keimyuu, Nichiwa, and Asahi Tostem, each offering a wide range of types and designs of metal siding.
If you find a product you are interested in while browsing the catalog, you can also request cut samples!
What should you be aware of when performing exterior wall cover work with metal siding?
Next, we will explain the “three points to be cautious about” when using metal siding for exterior wall cover methods!
Caution 1 Few contractors can perform the installation
There are significantly fewer contractors capable of performing the cover method with metal siding compared to exterior painting contractors.
Many inexperienced contractors exist, leading to a higher occurrence of issues.
Since there can be considerable variation in estimate costs, to ensure a satisfactory project,
if you are considering the exterior wall cover method with metal siding, make sure to obtain estimates from at least three companies and carefully review the details!
Caution 2 Prone to dents and scratches
Metal siding can develop dents from impacts when objects hit it.
Additionally, being prone to scratches is one of its disadvantages.
If noticeable scratches occur and are a concern, you can request repairs from a specialized repair contractor!
Caution 3 Long construction period
Exterior wall cover work can be considered one of the most extensive renovations in exterior remodeling.
While exterior painting typically takes about 2 to 3 weeks, exterior wall cover work can often take nearly a month.
The long construction period can be a source of stress for residents, making it one of the drawbacks.
Examples of exterior wall cover work
| Construction Details |
| Exterior wall cover work |
| Completion Date |
| January 2025 |
| Inquiry Details |
|
I am considering a renovation of the exterior walls. I would like to use metal siding that is highly durable and comes with a solid warranty. |
| Proposal Details |
| We have proposed a roof overlay method using metal siding as per your request. Since you had several preferred types of metal siding, we have prepared separate estimates for each! You have entrusted us with the metal siding “Aijii Industry/SF-Gal Stage Shine”! |
| Price Range |
| 2,000,000 – 2,100,000 yen |
| Construction Period |
| Approximately 3 weeks |
| Existing Exterior Material / New Exterior Material |
|
Existing Exterior: ALC |
1. Painting of Accessory Parts
2. Removal of Equipment
3. Substrate Adjustment
4. Waterproof Paper Installation (may not be necessary)
5. Installation of Battens
6. Metal Work for Fittings
7. Main Construction
8. Sealing at Various Locations
9. Reinstallation of Equipment
10. Completion
About the Costs of Exterior Wall Covering Work
This is a table of estimated costs for exterior wall cover work.
It serves as a guideline for the costs associated with a 30-tsubo exterior wall cover method.
The cost of exterior wall cover work is determined by the following calculation:
Exterior wall area (㎡) × Siding unit price + Equipment removal and installation costs + Additional painting costs = Total amount
This will be the total.
| Material | Expected Durability (Years) | Cost Assuming a building area of 30 tsubo (150㎡) |
| Galvalume Steel | 30 to 35 years | Including tax Approximately 2,000,000 yen (Siding unit price 11,000 yen/㎡~) |
| SGL Steel | 35 to 40 years | Including tax Approximately 2,200,000 yen (Siding unit price 12,500 yen/㎡~) |
| Aluminum | 40 years or more | Including tax Approximately 2,500,000 yen (Siding unit price 14,000 yen/㎡~) |
The amount will vary depending on the number of painted accessories and windows, as well as the equipment that needs to be removed and reattached.
Please note that this is just a rough estimate, and detailed quotes are completely free, so feel free to contact us.
How to Choose a Siding Contractor
There are fewer contractors that handle exterior wall cover work compared to exterior painting contractors, so it may be difficult to find a reputable contractor, such as “where should I request this?”
The most important thing when choosing a contractor or obtaining a quote is to always obtain multiple quotes!
For this reason, when requesting exterior wall cover work, let’s confirm the following four points.
1. Check the contents and materials of the estimate
2. Confirm the existence of warranties and aftercare services
3. Obtain multiple quotes from several contractors (at least three companies)
4. Confirm whether the contractor performs the exterior wall cover work in-house
By confirming the above four points, you will be able to choose a trustworthy contractor.
1. Check the contents and materials of the estimate
When obtaining an estimate for exterior wall cover work, let’s check the following items!
・Is the proposed new siding material suitable for your needs?
Check whether materials that meet your requirements, such as durability and insulation, are being proposed!
Since there are various types of metal siding, such as cost-effective siding and insulation-focused siding, make sure the proposed siding aligns with your original needs!
・Is the proposed construction method appropriate?
When performing exterior wall cover work, it is necessary to create a ventilation layer between the existing exterior wall and the new exterior wall material using a method called “ventilation method.”
If you apply the new siding directly without a ventilation layer, moisture cannot escape, which can lead to mold or corrosion, and may cause peeling or lifting of the exterior wall material.
Check whether the proposed construction is appropriate!
・Are the quantities and construction details described in detail?
If the estimate states something vague like “exterior wall cover work 1 set,” it will be difficult to understand the construction method and what the costs are for, making it hard to compare estimates.
Having the lengths of base water cuts and edge trims clearly listed with unit prices and quantities will provide reassurance and may help prevent issues.
If there are items of concern that are not included in the estimate, confirm the reasons for their exclusion!
・Check the auxiliary materials to be used!
Check not only the main siding but also the types of detailed auxiliary materials, such as “types of battens“, “siding fasteners“, and “types of waterproof paper“!
For example, siding fasteners are screws, and the overall cost will vary between iron and stainless steel.
While iron may appear cheaper at first glance, stainless steel is resistant to rust and is a recommended fastener.
2. Confirm the existence of warranties and aftercare services
When choosing a contractor for exterior wall cover construction, be sure to check for warranties.
Exterior wall cover construction is one of the more expensive types of exterior renovations, so in addition to checking for manufacturer warranties, also confirm whether the company offers its own warranty!
If the contractor has a warranty period, they may provide free repairs within that period.
The warranty period varies by contractor and the specifics of the work, but a 5 to 10-year period is common.
Additionally, some contractors offer after-sales service separate from warranties, so be sure to check if the contractor you are considering has after-sales service.
Kakeru Koumuten Co., Ltd. always provides a warranty for exterior wall cover construction.
We also conduct after-maintenance and send out annual DM, so if desired, annual inspections are possible.
3. Obtain estimates from multiple contractors (at least 3 companies)
When requesting exterior wall cover construction, be sure to obtain estimates from multiple contractors.
The cost of the same repair can vary between contractors, as can warranties and after-sales services.
Additionally, obtaining multiple estimates makes it easier to negotiate prices.
To request your desired repair contractor at the best possible price, obtaining estimates from multiple contractors is essential.
When comparing estimates, consider not only the costs but also the details of the plans, materials, and auxiliary materials!
4. Confirm whether the company performs exterior wall cover construction in-house
There are differences in costs between companies that handle construction in-house and those that outsource to external companies, and issues such as miscommunication with external contractors can easily arise.
Moreover, if problems occur after construction, responses may be slow, or there may be no dealings with the external construction company, leading to potential troubles.
Being able to respond immediately when something goes wrong is one of the reasons why companies that perform construction in-house are recommended!
About Kakeru Koumuten Co., Ltd.
Kakeru Koumuten Co., Ltd. is a remodeling company based in Yokohama, Kanagawa Prefecture, specializing in roof construction, exterior wall construction, and scaffolding work with completely in-house construction.
By assembling temporary scaffolding and performing exterior wall cover construction in-house,
we can provide high-quality work at a reduced cost.
Company Introduction
● We store scaffolding materials!
Since we can set up temporary scaffolding in-house, we can provide high-quality exterior renovations at a lower cost!
● We store materials and tools related to exterior construction and painting!
We also store tools and materials for the exterior wall cover method!
Customer Reviews
Service Areas
Kakeru Koumuten Co., Ltd. accepts requests throughout Kanagawa Prefecture and Tokyo.
Click here for inquiries to Kakeru Koumuten Co., Ltd.!
Konan-ku, YokohamaArea List
Okubo, Konan-ku, Yokohama / Kamiooka Nishi, Konan-ku, Yokohama / Kamiooka Higashi, Konan-ku, Yokohama / Kamenagaya-cho, Konan-ku, Yokohama / Kamenagaya, Konan-ku, Yokohama / Konandai, Konan-ku, Yokohama / Konan Chuo-dori, Konan-ku, Yokohama / Konan, Konan-ku, Yokohama / Saito, Konan-ku, Yokohama / Sasashita, Konan-ku, Yokohama / Shimonagaya, Konan-ku, Yokohama / Serigaya, Konan-ku, Yokohama / Noba-cho, Konan-ku, Yokohama / Higashi Serigaya, Konan-ku, Yokohama / Higashi Nagaya, Konan-ku, Yokohama / Higashihigeyama, Konan-ku, Yokohama / Hino Chuo, Konan-ku, Yokohama / Hino Minami, Konan-ku, Yokohama / Hino, Konan-ku, Yokohama / Maruyama-dai, Konan-ku, Yokohama
Possible Subsidies and Grants inKonan-ku, Yokohama
The following subsidies may be available in Konan-ku, Yokohama.
Yokohama City’s “FY2024 Energy-Saving Housing Relocation Subsidy Program (Renovation Type)”
Renovation Type Requirements
-
Eligible Housing：
- To carry out renovations that improve the energy-saving performance of existing homes (single-family and multi-family residences)
- To ensure that the renovated home achieves energy-saving performance of ZEH level or higher
-
Eligible Participants：
- Households with children (households with children under 18 years old) or young couple households (where at least one spouse is under 40 years old)
-
Eligible Works：
- Insulation renovations (exterior walls, roofs, floors, windows, etc.)
- Installation of high-efficiency equipment (energy-saving water heaters, solar power generation, etc.)
Subsidy Rate and Maximum Subsidy Amount
| Type | Subsidy Rate | Maximum Subsidy Amount |
|---|---|---|
| Single-family homes | 1/3 | 1,000,000 yen |
| Multi-family residences (apartments) | 1/3 | 500,000 yen |
*The subsidy applies to one-third of the renovation costs that meet energy-saving standards
Points to Receive Subsidies
- You need to apply to the city of Yokohama in advance andpass the review
- It is essential to renovate to improve the thermal insulation performance of the house
- Proof of energy-saving performance (such as energy consumption performance calculation documents) is required
For more details, please check the official website of Yokohama City.
Leave your exterior wall cover work to the exterior renovation specialists at Kakeru Koumuten!
This concludes the information about the exterior wall cover method.
Exterior renovations that significantly improve insulation and provide a stylish look like a new building are limited to exterior wall siding work.
The cost is higher compared to exterior wall painting, but it offers various benefits and is a recommended exterior renovation.
The important thing is that if you are considering exterior wall cover work, you must obtain estimates from at least three companies!
Our company specializes in exterior renovations, so if you have any concerns regarding roofs, rain gutters, or exterior walls, please consult Kakeru Koumuten in Yokohama!
From temporary scaffolding work to roofing and exterior wall renovation work, we carry out everything with our own staff. We are confident that we will not be outdone in terms of cost, quality, and efficiency compared to other companies!
We welcome competitive estimates with confidence!
You will be glad you chose us! We take every request seriously to ensure your satisfaction.
Estimates and inspections are free!
If our construction plan is inferior to that of other companies, please feel free to decline!
Rest assured, we do not charge any cancellation fees or travel expenses!
We look forward to your inquiries. Thank you very much.
・【Aoba-ku, Yokohama】｜Exterior Cleaning｜We performed a clear coating after chemical washing!
・【Miyamae-ku, Kawasaki】｜Wall Cleaning｜We conducted wall cleaning without the need for scaffolding!
・【Kohoku-ku, Yokohama】｜Wall Cleaning｜We conducted wall cleaning without the need for scaffolding!
・【Ota-ku, Tokyo】｜Wall Cleaning｜We performed wall cleaning without the need for scaffolding at a senior facility!
・【Katsushika-ku, Tokyo】｜Wall Cleaning｜We conducted wall cleaning without the need for scaffolding at an apartment!
・DIY Painting Plan! For those who want to try painting the roof and exterior walls themselves! We will only set up the scaffolding!
・Introducing roofing materials that cannot be painted or are not recommended! Roof painting is a no-go!
・What is the market price for roof remodeling? Types of construction and how to choose a contractor
・Introducing construction methods according to the type of roof construction and the degradation situation!
・Latest! Subsidies and reduction systems available for remodeling!
・About the costs of exterior painting and sealing construction plans | This is an exterior painting construction plan!
・Remodeling shop in Yokohama, Kanagawa Prefecture | What is roof overlay (roof cover method)?
Consultations via LINE are also very welcome◎
We are also updating our Instagram regularly◎ Please follow us◎
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!
