| Being used for sloping roofs in hilly areas | |
|---|---|
| Developed by | CBRI, Roorkee |
| Working specification by BMTPC including manufacturing method | BM 05 |
| National standard framed | IS 13317:1992 |
|
|
| Being used for sloping roofs in hilly areas | |
|---|---|
| Developed by | CBRI, Roorkee |
| Working specification by BMTPC including manufacturing method | BM 05 |
| National standard framed | IS 13317:1992 |
|
|
|