
by the Public Procurement Service of Korea
Excellent Procurement Product No. 2024138
New Disaster Safety Technology No. 2024-14
Patent 10-2551933

Excellent Procurement Product No. 2024138
New Disaster Safety Technology No. 2024-14
Patent 10-2551933
LH Apartment Basement Exterior Waterproofing Standard Product
Turbo Sheet GTR3000
An integrated composite waterproofing membrane combining a high-adhesion flexible gel made with recycled materials and a waterproofing sheet, providing reliable waterproofing performance and improved installation efficiency.
An integrated composite waterproofing membrane combining a high-adhesion flexible gel made with recycled materials and a waterproofing sheet, providing reliable waterproofing performance and improved installation efficiency.
Registered as an excellent product by the Public Procurement Service, making it available for purchase without competitive bidding.


- High tack and flexibility provide excellent adhesion, even on irregular, wet, or underwater surfaces.
- Excellent flexibility accommodates structural movement and helps prevent cracking, delamination, and membrane lifting.
- Self-adhesive installation eliminates heat-fusion processes, reducing installation time and labor requirements.
- Incorporates recycled materials to support more sustainable construction.








(Implementation of mandatory recycled plastic use by 2030)


Eco-friendly certification



- Public institutions are required to purchase certified green products, including products with the Environmental Mark, when such products are available for the items being procured.
- Exceptions may apply in certain circumstances, such as when product quality or availability does not meet procurement requirements, other priority procurement obligations apply, or urgent procurement is required.
Turbo Sheet GTR3000 Procurement Quality Standards
Turbo Sheet GTR3000 Procurement Quality Standards
| Category | Test items | unit | Quality standards | Test method | ||
|---|---|---|---|---|---|---|
| Receiving sheet layer | Tensile performance | Tensile strength | N/mm | 7.8 or higher | KS F 4917 | |
| Growth rate | % | 29 or higher | ||||
| Heat resistance | The path of the flowing down | mm | 3 or less | |||
| Appearance | - | It will not drip or foam | ||||
| Bonding performance | N/mm | 4.5 or higher | ||||
| Flexural performance | Unprocessed(-10℃) | surface side | - | No cracks will form at -10℃ | ||
| The other side | ||||||
| After heating(5℃) | surface side | - | No cracks will form at 5℃ | |||
| The other side | ||||||
| Adhesive layer | Wet surface adhesion performance | - | The bottom plate of the test specimen will not detach within 60 seconds. | KS F 4935 | ||
| Structural behavior response performance | - | I won't become a pitcher | ||||
| Chemical resistance | hydrochloric acid treatment | % | The rate of change in mass is within -0.07. | |||
| nitric acid treatment | ||||||
| sulfuric acid treatment | ||||||
| Sodium chloride treatment | ||||||
| Alkali treatment | ||||||










- If battens are to be installed, they shall be calculated separately, and suitable materials shall be used according to site conditions.
- If surface treatment is required, leveling mortar and corner reinforcement materials shall be calculated separately.
- The unit price and unit cost of walls shall be applied to reinforced areas.
- The protective layer shall be calculated separately.
(underpasses, tunnels, subways, box structures, utility tunnels, power conduits, etc.)








※ The above construction drawings are subject to change depending on site conditions.