What's the CPWD DSR rate for terrace waterproofing (brick bat coba)?
The classic Indian terrace waterproofing — a cement slurry coat with waterproofing compound, then a graded brick-bat layer finished with joints — is one bundled DSR item, priced per square metre of roof. Average thickness 120 mm, taken up 300 mm on adjoining walls.
The recipe
| Code | Description | Unit | Rate | Qty | Amount |
|---|---|---|---|---|---|
| 22.7.1 | Providing and laying integral cement based water proofing treatment including preparation of surface as required for treatment of roofs, balconies, terraces etc consisting of following operations: (a) Applying a slurry coat of neat cement using 2.75 kg/sqm of cement admixed with water proofing compound conforming to IS. 2645 and approved by Engineer-in-charge over the RCC slab including adjoining walls upto 300 mm height including cleaning the surface before treatment. (b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115 mm size with 50% of cement mortar 1:5 (1 cement … With average thickness of 120 mm and minimum thickness at khurra as 65 mm. | sqm | ₹1,522.95 | 1 | ₹1,522.95 |
| Total | ₹1,522.95 | ||||
Notes
- This is the integral cement-based treatment for roofs, balconies and terraces. For membrane-type waterproofing see the APP membrane recipe.
- The rate covers surface preparation and the treatment itself, per sqm of plan area.
- Rates shown are CPWD Delhi base rates from DSR 2021 (CPWD), edition 2025 — apply your local market / cost-index variation.
- Generated 2026-08-01.