| S.No. | Checkpoint | IS Requirement | Status |
|---|---|---|---|
| A. MATERIAL INSPECTION & CERTIFICATION | |||
| A1 | Insulation material has valid manufacturing test certificate and grade certification Acceptance: Test certificate provided; Grade per spec (EPS 30, EPS 40, EPS 50); Density within ±5% | Cl. 3 — Quality & certification | OK NC NA HOLD |
| A2 | Slabs/batts are of correct dimensions, thickness and density per purchase order Acceptance: Thickness ±5mm; Width/Length ±10mm; Density variation ±3% | Cl. 4.2 — Dimensional accuracy | OK NC NA HOLD |
| A3 | Material inspection for damage: no crushing, tearing, moisture damage, or discoloration Acceptance: Surface intact, no visible mold/staining, edges sharp, no compression <1mm | Cl. 5 — Condition requirements | OK NC NA HOLD |
| B. STORAGE & HANDLING | |||
| B1 | Insulation stored in dry, covered area; protected from rain, moisture, and direct sunlight Acceptance: Storage under cover; RH <80%; Temperature 5-35°C; no water pooling | Cl. 6.1 — Storage conditions | OK NC NA HOLD |
| B2 | Material stacked horizontally on level, raised platforms; maximum stack height 1.5m Acceptance: Horizontal stacking; elevation >0.5m above ground; height ≤1.5m | Cl. 6.2 — Stack configuration | OK NC NA HOLD |
| B3 | Handling procedures followed: no dropping, dragging, or compressive loads during transport Acceptance: Careful handling documented; no visible crushing or edge damage from transport | Cl. 7 — Handling practices | OK NC NA HOLD |
| C. SUBSTRATE PREPARATION | |||
| C1 | Substrate (concrete/cement screed) clean, dry, sound and free from dust and loose material Acceptance: Surface swept/vacuumed; RH <80%; no loose particles; no visible cracks >5mm | Cl. 8.1 — Surface preparation | OK NC NA HOLD |
| C2 | Substrate surface level and even (max variation 5mm in 1m straight edge) Acceptance: Straight edge test: ≤5mm variation per 1m in any direction | Cl. 8.2 — Levelness requirement | OK NC NA HOLD |
| C3 | Primer/bonding agent applied to substrate per spec (if required for adhesive application) Acceptance: Primer applied uniformly; minimum coverage per adhesive datasheet; surface tacky | Cl. 8.3 — Bond preparation | OK NC NA HOLD |