| Roof Umbrella | Thermal Insulation Coating | Other Heat Insulation | Green Roof | Reasons to Choose Roof Umbrella | |
|---|---|---|---|---|---|
| Application Area | Roughly 80% of the roof’s surface | Over 150% of the roof’s surface | Roughly the same as the roof’s surface | Must be applied less than the roof’s surface | With a wave shaped roof, the total area of the roof becomes greater. The application area is half as much as coating. |
| Maintenance | Basically unnecessary | Basically unnecessary | Basically unnecessary | Watering and other maintenance needed | Warranty and after-sale service lead to protection and management of the roof. |
| Application Time per 1,000 ㎡ | Roughly 1 day (seam type) | 1-2 weeks | 1-2 weeks | 1-2 weeks and requires plant growth time | There is minimal hindrance to factory work and customer time at shops. |
| Heat Insulating Effect |
○ | ○ | △ | ◎ | Coating has issues with application and deterioration. Other methods may increase heat by trapping it in the material. Green roofs may lose their effect through lack of maintenance. |
| Condensation | ◎ | △ depends on type | ◎ | Unknown | There are lots of positive results in preventing condensation. |
| Sound of Rain | ○ | × | ○ | △ | The sheet absorbs the sound of rain to significantly dampen it. |
| Removal/ Replacement |
○/○ | ×/× | ×/× | ○/○ depends on conditions | The ability to move it makes it perfect for rental buildings and scrap and build. |
| Application Locations |
Depends on roof shape and condition | Anywhere (depends on roof condition) | Depends on roof shape and condition | Depends on roof shape and condition (weight limit) | Roof Umbrella can be applied on all metal folded-plate roofs. |
| Heat Transfer | There is little heat transfer, as the insulation sheet and roof do not touch. | Effects are uneven due to integration with the roof. Effects wear off especially when it is soiled. | Heat is reflected, but heat transfer occurs even with insulation because the roof and material tough closely. | There is little heat transfer, as heat is absorbed and transpired, but there is some due to the close contact with the roof. | Limiting heat transfer is a characteristic property of Roof Umbrella. This is the explanation behind the name of Roof Umbrella. |
The above comparison table is based on individual research and may differ from actual results.
【SAWAYA CO.,LTD.】
3-18-30,Ekinishihon-machi,
Kanazawa,Ishikawa,920 - 0025 Japan
TEL +81-76-265-7532
FAX +81-76-263-0655
【Taiwan branch】
日商澤屋股?有限公司 台灣分公司
220 新北市板橋區民生路二段162號1樓
TEL +886-2-2256-0636
FAX +886-2-2256-0636
【Thailand branch】
SAWAYA(THAILAND) CO.,LTD.
Head Office：
779/2 Soi Suwan Mani (Soi 23), Pracha Uthit Road,
Sam Sean Nok, Huai Khwang, Bangkok 10310, Thailand
Tel: +66 (2)101-2021
Nakhon Si Thammarat office：
2 Moo 1, Chaytale Road,Pak Phanang Fang
Tawanok, Pak Phanang,
Nakhon Si Thammarat, 80140
