Construction example

[Chofu City, Tokyo] | Roofing | Performed roof overlay using Super Galtect!

BEFORE

AFTER


Construction Data for Chofu City, Tokyo

Construction Location
 Chofu City, Tokyo
Construction Details
 Installation of Temporary Scaffolding
 Roof Overlay (Cover Method)
Background to the Construction

We received the following inquiry from a customer living in Chofu City, Tokyo.
“I would like a quote, even though it will be a comparative estimate. I haven’t done any roof renovations yet, so I would like you to check it once.”

●Proposal Details
First, we conducted a site survey to check the condition of the roof and confirmed that the overlay work could be carried out without any issues!
Since the underlying structure is strong and suitable for the overlay work, we proposed to use Super Galtect as per the customer’s request.

Existing Underlayment / Materials Used

●Existing Roofing Material: Colonial (contains asbestos)

Materials Used for Roof Overlay Method: Super Galtect

Price Range
 700,000 to 800,000 yen
Construction Period
 About 1 week
Completion Month
 August 2024

Roof Overlay Construction Procedure

1. Demolition of Existing Ridge and Snow Stops

First, we will dismantle unnecessary parts (ridge flashing) for the overlay method!The durability of wooden purlins is about 10 to 15 years. We will leave the ridge purlin intact!

2. Installing Roofing (Waterproof Sheet)

Next, we will apply the waterproof sheet! The roofing used isTajima Roofing / Tadi Self Cover!
This is a highly durable non-woven fabric roofing!
The roofing acts as the final waterproof layer protecting the roof, serving as a secondary waterproofing measure.
If this roofing is solid, leaks will generally not occur!

We will apply it securely to prevent it from being blown away by the wind.
Since there are various durability years and characteristics for roofing sheets, it isimportant to choose roofing sheets that match the durability of the roofing materials and the roof slope!

3. Fabricating Accessories (Karakusa, Eaves, Valley)

Before the main roof construction, we will fabricate and install accessories such as eaves, karakusa, and valleys!
The accessories used are genuine Galtect accessories made ofSGL steel plate!

4. Main Construction (Aiji Industrial / Super Galtect)

We will install the Galtect main body up to the ridge!
Once we have installed it up to the ridge, we will set up the necessary materials to fix the ridge cap, known as the kanban. We offer three types of kanban: cedar, resin, and Galvalume steel. This time, since the customer requested high durability, we used a Galvalume base for the ridge.

Galvalume steel is expected to have three times the durability of cedar! Unlike resin or cedar, it won’t crack, so it’s safe!

5. Processing of Ridge Cap and Sealing at Various Locations

Next, we will process and install the ridge cap. We will thoroughly apply sealing on the inside of the joints. The sealing material used this time is Autochem’s Auton Exceed. Auton Exceed is a super high-durability sealing material with a lifespan of about 30 years. It offers nearly three times the durability of urethane and silicone-based materials!!

For the wall edge, we will process and install a component called a rain stop flashing.
We will use stainless steel nails and screws that are resistant to rust!

6. Cleaning

We will clean up the debris that has fallen onto the balcony and rain gutters. We will thoroughly remove items like nails and metal scraps that could cause injuries. Additionally, we will wipe off any footprints left on the roof to keep it clean.

About Roofing Materials

The roofing material used is the Super Galtect from Aijii Industrial.
The Super Galtect comes with a manufacturer warranty of 15 years for the coating and 25 years for perforation.
Our company also provides a 10-year construction warranty!

Made of SGL steel plate, it is resistant to rust.
Insulation material is thoroughly applied from edge to edge of the roofing material, creating a metal sheet that integrates the steel plate and insulation.
When installed, insulation is applied even to the areas where the roofing materials overlap, and the surface is coated with a high heat-reflective paint, allowing for a cool summer and a warm winter.
Additionally, it has soundproofing properties, reducing the sound of rain.
Moreover, it is lightweight compared to other roofing materials, which reduces the sway during an earthquake, providing earthquake resistance.
It excels in finish, durability, insulation, soundproofing, and wind resistance, and the Super Galtect from Aijii Industrial is the most frequently used in our construction achievements, gaining significant attention!

Color

■Shade Black
Shade Black
■Shade Brown
Shade Brown
■Shade Blue
Shade Blue
■Shade Moss Green
Shade Moss Green
■Shade Charcoal
Shade Charcoal
New Color Shade Wine Red

You can choose from these 6 colors!
This time, the cover work with Shade Charcoal turned out exceptionally well!
The customer was very satisfied, and I was also very happy!
Thank you very much!

Please check out other roofing work examples from here!

Roof Material

Aiji Giken/Super Galtect

Manufacturer Warranty Coating 15 years, Red rust 20 years, Puncture 25 years
Expected Durability About 40 years
Color Used This Time

Shade Charcoal

Shade Charcoal

Leave Your Roofing Work in Chofu City, Tokyo to Kakeru Koumuten!

Our company also has a base in Machida City, Tokyo, so we have extensive experience in roofing renovations in Chofu City, Tokyo.
We are happy to assist with everything from roof overlay work, roof replacement work, to partial roof repairs such as leak repairs.
If you have any questions or concerns such as “I just want to know the estimate for roof renovation” or “I want to know about roofing materials,” please feel free to contact us!

Chofu City, Tokyo Area List

Kamigeyu, Chofu City / Iruma-cho, Chofu City / Kamishirahara, Chofu City / Kamifutada-cho, Chofu City / Kikunodai, Chofu City / Kokuryo-cho, Chofu City / Kojima-cho, Chofu City / Sasu-cho, Chofu City / Shibasaki, Chofu City / Shimoishihara, Chofu City / Shimofutada-cho, Chofu City / Jindaiji Kitamachi, Chofu City / Jindaiji Higashimachi, Chofu City / Jindaiji Minamimachi, Chofu City / Jindaiji Motomachi, Chofu City / Sengawa-cho, Chofu City / Someji, Chofu City / Tamagawa, Chofu City / Chofu Gaoka, Chofu City / Tobitakyu, Chofu City / Nishi Tsutsujigaoka, Chofu City / Nishi-machi, Chofu City / Nomizu, Chofu City / Higashi Tsutsujigaoka, Chofu City / Fujimicho, Chofu City / Fuda, Chofu City / Midorigaoka, Chofu City / Yakumo-dai, Chofu City / Wakabacho, Chofu City

Summary

Estimates and inspections are, of course, free! If you have any concerns regarding roofs, rain gutters, exterior walls, or exteriors, please consult Kakeru Koumuten Co., Ltd. in Aoba-ku, Yokohama!

Kakeru Koumuten Co., Ltd. is a remodeling company strong in exterior renovations, and we carry out everything from temporary scaffolding work to roof work and exterior painting completely in-house.
When it comes to exterior renovation work, we are confident that we will not be outdone by other companies in terms of “cost, quality, and efficiency”!

We are confident in our exterior renovations, so we welcome competitive estimates!
We offer comprehensive construction guarantees and aftercare maintenance, 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 think, “I’m glad I asked them!” Therefore, we take every request seriously and work diligently on it.

We also have information on roof construction costs and pricing plans for the roof overlay (cover method), so please take a look if you’re interested!

We look forward to your inquiries. Thank you very much.

Helpful information about exterior renovations can be found here!

LINE consultations are also very welcome◎

We are also updating our Instagram regularly◎ Please follow us◎

For roofing, guttering, and exterior work and repairs in Kanagawa, contact Kakerukoumuten Co., Ltd..

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!