イワタ List of Products and Services

If there is a way to prevent the occurrence of water leaks through construction checks, and to have measures and a mindset in place in case a leak does occur, minimizing losses due to water leakage, wouldn't you want to know? To the FRP waterproofing contractors who wish to "not lose trust due to leaks," we are offering a free booklet to prevent the occurrence of leaks and the handling of complaints filled with mistakes! We will deliver know-how based on the experience we have cultivated. [Overview of Contents] ■ What to do to prevent complaints ■ How to act to minimize risks ■ What true cost reduction means ■ How necessary it is to carry out construction with confidence *For more details, please refer to the external link page or feel free to contact us.

• Waterproofing work
• Rain protection items

Our company has a background as a construction company and an FRP waterproofing contractor, and we have now become a specialized store for FRP drains. What Iwata is particular about: FRP Drains - Ease of use - Sense of security - Easy installation - Adhesion to waterproofing - Connection with pipes Strainers - Drainage functionality - Aesthetic appeal - Durability and strength - Versatility Services - Prompt shipping of products - Expanded ordering methods - Sales by individual units - Variable pricing *For more details, please refer to our catalog or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

Every autumn, fallen leaves from the street trees, particularly the Zelkova, drop onto the balcony, causing concern for Mr. S about potential clogging. We proposed the "D-1" strainer. 【Background】 - The season of fallen leaves raises concerns about rain. - Regular cleaning is necessary. - Every autumn, leaves accumulate on the balcony. - A drain cap with a mesh was previously used. - There were worries about clogging. - There is anxiety every time it looks like it might rain. - Cleaning up fallen leaves is essential. *For more details, please refer to the catalog or feel free to contact us.*

• Waterproof tape, adhesive, drain, protective panel
• Roof drain
• Coating film waterproofing material/permeable waterproofing material

As a policy regarding our customers, we prioritize what makes our customers happy, and we will "do it immediately" for what we believe is good for our customers. If we find a better method, we will "change it immediately." If we think we made a mistake, we will "stop it immediately." *For more details, please refer to the catalog or feel free to contact us.*

• Waterproof tape, adhesive, drain, protective panel

The dangers brought about by excessive "cost reduction" In the past, the construction industry had differences in work and profits due to the varying skills of craftsmen. However, with the advancement of industrialization in housing, the necessity for craftsmen's skills has diminished, making it harder to showcase differences and differentiate from rival companies. *For more details, please refer to the catalog or feel free to contact us.*

• Waterproof tape, adhesive, drain, protective panel

Iwat's origin was as a "construction company." The previous generation was captivated by the performance and appeal of FRP waterproofing and mastered its application. *For more details, please refer to the catalog or feel free to contact us.*

• Waterproof tape, adhesive, drain, protective panel

【Background of Introduction】 Renovation work often uses lead or PVC renovation drains, but in this case, since it was a rooftop parking lot, it was decided to use FRP waterproofing, and they were looking for drains that are compatible with FRP waterproofing, which is why "F-75" and "F-65" were proposed. - Usual lead or PVC renovation drains cannot be used. - Drains that are compatible with FRP waterproofing. *For more details, please refer to the catalog or feel free to contact us.*

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

Having experienced heavy rain, there were concerns about the overflow system that had been used until now, so we propose Iwata's overflow system that can achieve a more comfortable drainage plan. 【Introduction Background】 - Installation as a measure against defect warranty system - Prioritizing a less conspicuous appearance over functionality *For more details, please refer to the catalog or feel free to contact us.*

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

【Background of Introduction】 - I broke the strainer. - I don't know where to buy a strainer. - They only sell them in multiples. This addresses the problem of being in trouble.

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

At Iwata Co., Ltd., we proposed the Iwata drain "P-50," which does not become too small as a renovation drain, for renovation work where a VU50 drain is attached to the existing drain. [Background of Introduction] - On-site survey for renovation work - Determined that renovation of the drain is necessary - Current drain is for VU50 - Renovation drain for VU40 is too small

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

【Case Study】 A Rich Variety of Products! Customized proposals for customers lead to increased customer satisfaction and more orders. Iwara Co., Ltd. offers a variety of FRP drain products suitable for everything from single-family homes to buildings and apartments, enabling tailored drain proposals for customers. 【Background】 - Struggled to meet rooftop FRP waterproofing and drainage plans - Reliable installation with F-100, F-75, and F-65 *For more details, please refer to the catalog or feel free to contact us.*

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

The "Points for Choosing Drains Without Failure" features key points for selecting drains and strainers from Iwata Co., Ltd., which manufactures and sells FRP drains for waterproofing work. We hope that by acquiring basic knowledge about drains and related waterproofing concepts through this handbook, you will be able to select the appropriate drains for the right applications, contributing to reliable construction without leaks. [Contents] ■ What is a drain? ■ Types of drains ■ Types of strainers ■ Materials of strainers ■ What is waterproofing? and more *For more details, please refer to the catalog or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

We would like to introduce a case where Iwata Co., Ltd.'s strainer was adopted as a novelty item from a renovation contractor to customers. We presented a durable and rust-resistant strainer made of aluminum die-cast to our customers. It enhances the beauty of the renovated balcony and is appreciated for its versatility in accommodating various sizes, receiving positive feedback for such thoughtful consideration. 【Background of Implementation】 ■ We want to give a novelty item that will delight our customers. ■ We want the novelty item to reflect the satisfaction of the renovation. ■ We want it to be something that enhances the renovation and is not expensive. *For more details, please refer to the catalog or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material
• Roof drain

At Iwata Co., Ltd., we responded to requests for a strainer that is more durable and aesthetically pleasing than plastic strainers. While there is not much difference in durability and drainage functionality, customers appreciated the Iwata drain strainer, which features a luxurious pattern due to its powder coating. They were also satisfied with the finish of the balcony, leading to us being entrusted with all waterproofing work. [Background of Introduction] - Previously used plastic strainers - Looking for high-quality options for luxury custom homes - Request: A durable and beautiful strainer *For more details, please refer to the catalog or feel free to contact us.

• Coating film waterproofing material/permeable waterproofing material
• Waterproof tape, adhesive, drain, protective panel
• Roof drain

At Iwata Co., Ltd., we have responded to the request of Mr. T, who primarily conducts waterproofing work for newly built houses using FRP waterproofing, by providing a horizontal drain that does not create puddles around the drain area, which is a common issue with horizontal drains, and is also easy to install. After using the Iwata Drain "Y-1," the puddle problem was resolved. Additionally, installation became easier, resulting in reduced work time. [Background of Introduction] - There were complaints about "water pooling in front of the drain" when using horizontal drains. - It was necessary for carpenters to perform base processing. - Request: A horizontal drain that is easy to install to the extent that one can do it themselves. *For more details, please refer to the catalog or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel
• Roof drain
• Coating film waterproofing material/permeable waterproofing material

At Iwata Co., Ltd., during the installation of FRP waterproofing, we used inexpensive, incompatible drains and imported products, which resulted in leaks around the drains. In response to requests for drains that provide more peace of mind than just low cost, we have addressed this issue. The conditions included that the drain must be made of FRP, the same material as the FRP waterproofing, and that the connection between the drain and the pipe should fit well. The Iwata drain "F-1" met these criteria, being easy to install and construct. [Background of Introduction] - Inexpensive, incompatible drains and imported products were being used. - Several leaks occurred around the drains due to separation between the drain and the waterproof layer. - We struggled to respond and ended up compensating for the damages. - Request: To use drains that provide more peace of mind than just being cheap. *For more details, please refer to the catalog or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel
• Roof drain
• Coating film waterproofing material/permeable waterproofing material

At Iwata Co., Ltd., we proposed the Iwata Drain "F-1" to Mr. S, who is installing FRP waterproofing, as part of our efforts to shorten work time and carry out the work efficiently without any leaks. The bonding surface with the waterproof layer is pre-roughened, eliminating the need for additional processing, and the connection and installation with the pipe are simple. This allows for easy and reliable waterproofing work, resulting in a reduction in construction time. 【Background of Introduction】 - Installation of FRP waterproofing in built-for-sale houses - Handling multiple sites at once - Need for efficient construction - Request: Shortening work time without causing leaks *For more details, please refer to the catalog or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel
• Roof drain
• Coating film waterproofing material/permeable waterproofing material

Iwatа has been engaged in FRP waterproofing construction for decades and has keenly felt the difficulty of ensuring "absolutely no leaks" due to constraints such as deadlines and pricing. The result of this development is the "Iwata Drain." It is easy to install and fits perfectly with the waterproofing substrate, significantly alleviating concerns about leaks. We offer a wide range of sizes and it performs well in various environments. 【Iwata's Commitment】 ■ Iwata Drain is easy to install and waterproof. ■ Superior aesthetics. ■ Developed by specialists in FRP waterproofing, ensuring no worries about leaks. *For more details, please refer to the catalog or feel free to contact us.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

We would like to introduce some frequently asked representative questions that we have received from our customers. We received an inquiry about "how many drains should be installed on the balcony." As a general guideline, we recommend installing one drain for every 10 m². In preparation for sudden heavy rain, we also recommend the installation of an overflow. If you have any other questions or inquiries, please feel free to contact us. 【Iwata's Commitment】 ■ Iwata drains are easy to install and waterproof. ■ A higher level of aesthetics. ■ Developed by specialists in FRP waterproofing, ensuring no worries about water leakage. *For more details, please refer to the catalog or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel
• Drainage and ventilation equipment
• Roof and gutter construction

At Iwata, we leverage our experience as waterproofing contractors to develop and manufacture user-friendly and reliable products. The reason our flagship product, "Iwata Drain," is white is not only for aesthetic appeal but also to enhance durability and workability through coloring. The flange, which is the contact point with the waterproof layer, has been treated with a siding process to ensure a stronger bond. Other products also incorporate unique features from Iwata, contributing to ease of installation and improved durability. [Hidden Innovations] - Coloring reduces the impact of ultraviolet rays and enhances durability. - Unsaturated polyester resin is used to aim for integration between the drain and the waterproof layer. - Siding treatment on the flange ensures a stronger bond. *For more details, please refer to our catalog or feel free to contact us.*

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

"Iwatadoren" is a product that maximizes the know-how of waterproofing to ensure easy installation and long-term use. By maximizing adhesion, it achieves a long lifespan. It adheres perfectly to PVC pipes, eliminating concerns about water leaks. We also offer products like the aluminum-made and powder-coated "Strainer," which boasts exceptional durability. Custom sizing is available, making it suitable for various locations. 【Features】 ■ Easy to install, reducing work time ■ No worries about water leaks ■ Easy lining *For more details, please refer to the catalog or feel free to contact us.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

13 Years of Commitment to FRP Drains An overflow made from FRP by a waterproofing expert with over 20 years of experience in waterproofing construction. Using a VU40 pipe to ensure drainage capacity. Since it is an overflow for emergencies, the drainage capacity is secured to a minimum. As the last line of defense for drainage, please choose something you can trust even more. 【Features】 ◯ The pipe section uses PVC pipe VU40. ◯ Since it is an overflow for emergencies, the drainage capacity is secured to a minimum. ◯ Each overflow is individually tested for water leakage by our company. 【Size】 Length: 200mm Flange size: 105mm Hole size: 40mm Required opening: 50mm * Uses PVC pipe VU40 * The required opening is the size of the hole needed for drain installation.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

No need for base seat carving, easy installation Eliminates the water pooling problem around the drain unique to horizontal drains Specializing in FRP drains for 13 years An expert in waterproofing with over 20 years of experience created this FRP drain - Iwata drain is easy to install and waterproof - This FRP drain, developed by experts in FRP waterproofing, connects perfectly to PVC pipes, so there's no worry about water leaks 【Features】 〇 Horizontal FRP drain using PVC pipe VU50 〇 Ideal for balconies, verandas, etc. 〇 Easy to install below the floor height due to the absence of a flange on the floor part 〇 Each Y-1 horizontal drain undergoes a water leak test conducted by our company 〇 Drains are manufactured using the same resin used in waterproofing construction, ensuring excellent compatibility with FRP waterproofing 〇 The flange part has been pre-sanded 【Size】 〇 Height 85mm (drain part) 〇 Outer diameter 60mm (pipe part) 〇 Length 290mm 〇 Flange part diameter 110mm 〇 Required opening 75mm 　　※ This is the size of the hole needed to install the drain.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

It is smaller than F-1, making it usable for renovations! (Only when used vertically) For 13 years, we have been dedicated to FRP drains. An FRP drain made by waterproofing professionals with over 20 years of waterproofing experience. ○ Iwata Drain is easy to install and waterproof. ○ Developed by FRP waterproofing experts, this FRP drain perfectly adheres to PVC pipes, so there’s no worry about water leaks. 【Features】 〇 For PVC pipe VP50 ○ The drain is manufactured using the same resin used in waterproofing construction, ensuring the best compatibility with FRP waterproofing. ○ The flange part is pre-sanded. 【Size】 〇 Outer diameter: 50mm (pipe connection part) 〇 Height: 60mm 〇 Flange diameter: 110mm 〇 Required opening: 70mm 　　* This is the size of the hole needed to install the drain.

• Roof drain
• Coating film waterproofing material/permeable waterproofing material
• Waterproof tape, adhesive, drain, protective panel

13 Years of Commitment to FRP Drains FRP drains made by a waterproofing expert with over 20 years of waterproofing experience - Iwata Drain is easy to install and waterproof. - This FRP drain, developed by experts in FRP waterproofing, fits perfectly onto PVC pipes, eliminating worries about water leaks. 【Features】 〇 For PVC pipe size VU100 〇 Ideal for drainage outlets in large areas such as rooftops 〇 Drains are manufactured using the same resin used in waterproofing, ensuring excellent compatibility with FRP waterproofing 〇 The flange part is pre-sanded 【Size】 〇 Outer diameter: 106 mm (pipe connection part) 〇 Height: 95 mm 〇 Flange diameter: 230 mm 〇 Required opening: 135 mm 　　※ This is the size of the hole needed to install the drain.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

13 years of dedication to FRP drains FRP drains made by a waterproofing expert with over 20 years of waterproofing experience - Iwata drains are easy to install and waterproof - The FRP drain, developed by FRP waterproofing specialists, fits perfectly with PVC pipes, eliminating worries about water leaks 【Features】 ◯ FRP drain for PVC pipe VU75 ◯ Usable for renovation work on VU100 ◯ Widely usable depending on the situation, such as large balconies and rooftops ◯ Drains manufactured with the same resin used for waterproofing construction, ensuring excellent compatibility with FRP waterproofing ◯ The flange part is pre-sanded 【Size】 〇 Outer diameter 83mm (pipe connection part) 〇 Height 90mm 〇 Flange diameter 195mm 〇 Required opening 110mm 　　※ This is the size of the hole needed to install the drain.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

13 Years of Commitment to FRP Drains FRP drains made by a waterproofing expert with over 20 years of waterproofing experience - Iwata drains are easy to install and waterproof - Developed by FRP waterproofing specialists, these FRP drains fit perfectly onto PVC pipes, eliminating worries about water leaks 【Features】 〇 FRP drain for PVC pipe size VU65 〇 Can also be used for renovations with VU75 〇 Ideal for rooftops, spacious balconies, and verandas 〇 Drains are manufactured using the same resin used in waterproofing, ensuring excellent compatibility with FRP waterproofing 〇 The flange part is pre-sanded 【Size】 〇 Outer diameter: 71mm (pipe connection part) 〇 Height: 80mm 〇 Diameter of the flange part: 175mm 〇 Required opening: 90mm 　　※ This is the size of the hole needed to install the drain.

• Roof drain
• Coating film waterproofing material/permeable waterproofing material
• Waterproof tape, adhesive, drain, protective panel

FRP Drain Focused for 13 Years An FRP drain made by a waterproofing expert with over 20 years of waterproofing experience - Iwata Drain is easy to install and waterproof - This FRP drain, developed by experts in FRP waterproofing, fits perfectly onto PVC pipes, eliminating worries about water leaks 【Features】 〇 FRP drain for PVC pipe size VU50 〇 Ideal for balconies, verandas, etc. 〇 Recommended for clients who prioritize aesthetics The strainer fits neatly as it is recessed 〇 Manufactured with the same resin used in waterproofing, ensuring excellent compatibility with FRP waterproofing 〇 The flange part is pre-sanded 【Size】 〇 Outer diameter: 56mm (pipe connection part) 〇 Height: 75mm 〇 Flange diameter: 155mm 〇 Required opening: 125mm *This is the size of the hole needed to install the drain.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

13 Years of Commitment to FRP Drains FRP drains made by waterproofing specialists with over 20 years of experience in waterproofing construction - Iwata Drain is easy to install and waterproof - No worries about water leakage, as the FRP drain developed by experts in FRP waterproofing fits perfectly with PVC pipes 【Features】 〇 FRP drain for PVC pipe size VU50 〇 Large diameter drain. Homeowners concerned about drainage will be very satisfied 〇 Drains manufactured with the same resin used in waterproofing construction, ensuring excellent compatibility with FRP waterproofing 〇 The flange part is pre-sanded 【Size】 〇 Outer diameter: 56mm (pipe connection part) 〇 Height: 120mm 〇 Flange diameter: 150mm 〇 Required opening: 95mm ※ This is the size of the hole needed to install the drain.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

A beautiful "horizontal strainer" that satisfies homeowners who are particular about aesthetics, making balconies and verandas look a notch higher. 【Features】 ○ Made of aluminum die-cast ○ Coated with powder paint, making it resistant to scratches and rust, and very durable. ○ Easy to install with a fixed leaf spring design. ○ Compatible with most sizes of drains (drain openings). (Compatible with drain hole diameters of approximately 40mm to 77mm.) ○ Available in two colors: Appearance and Silver. (The photo shows the Appearance color.) *Samples available (limited to one per company) Please contact us with your request for a sample using the inquiry below. 【Size】 ・Height: 90mm ・Width: 95mm ・Thickness: 18mm ・Compatible drain hole diameter: Approximately 40mm to approximately 77mm Available in two colors: "Appearance" and "Silver." (The photo shows the Silver color.)

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

A beautiful "vertical strainer" that satisfies homeowners who are particular about aesthetics and makes balconies and verandas look a notch above. 【Features】 - Made of durable aluminum die-cast. - Coated with powder paint, making it resistant to scratches and rust, and very sturdy. - Easy to install with a plate spring fixing method. - Compatible with various sizes of drains (drainage outlets). (Can accommodate drain hole diameters of approximately 40mm to 77mm.) - Available in two colors: Appearance and Silver. (The photo shows Silver.) *Samples available (limited to one per company). Please contact us with your sample request using the information below. 【Size】 - Height: 35mm - Diameter: 97mm - Compatible drain hole diameter: approximately 40mm to approximately 77mm. Available in two colors: "Appearance" and "Silver." (The photo shows Silver.)

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material

30 years of manufacturing and selling FRP drains. This FRP drain is made by a former waterproofing contractor with over 20 years of waterproofing experience, focusing on ease of use and reliability. The Iwata drain has a simple shape, making installation and waterproofing easy. It connects perfectly to PVC pipes (VU50), eliminating concerns about leaks and disconnections. 【Features】 ■ Easy installation reduces construction time ■ Simple shape allows for reliable construction ■ Made from the same material as FRP waterproofing materials, ensuring integration after installation with no worries about leaks ■ The flange part is pre-sanded for better adhesion ■ Connects perfectly to PVC pipes (VU50), resolving issues of disconnection and leakage ■ Suitable for balconies, verandas, etc. (approximately 10 square meters) ■ Can also be used on grooved verandas *For more details, please request materials or view the PDF data available for download. *Samples are available (limited to one per company). Please contact us with your sample request and the inquiry below.

• Roof drain
• Waterproof tape, adhesive, drain, protective panel
• Coating film waterproofing material/permeable waterproofing material