Professional and high quality HLT floor hatches are suitable for indoor use. Hatches’s load capacity is 1,5kN. The 300 x 300 mm hatch is fitted with fastening screws and larger hatches are fitted with handles (as in the picture). These sealed hatches are not completely waterproof.
| Measures A x B (mm) | Material | Surface finish | Product no. |
| 300 x 300 | Stainless steel | Grinded (brushed) | HLT30RST |
| 450 x 450 | Stainless steel | Grinded (brushed) | HLT45RST |
| 600 x 600 | Stainless steel | Grinded (brushed) | HLT60RST |
| Measures A x B (mm) | Material | Surface finish | Product no. |
| 300 x 300 | Hot-dip galvanized | Galvanized | HLT30ZN |
| 450 x 450 | Hot-dip galvanized | Galvanized | HLT45ZN |
| 600 x 600 | Hot-dip galvanized | Galvanized | HLT60ZN |
| Measures A x B (mm) | Material | Surface finish | Product no. |
| 300 x 300 | Aluminium/ Hot-dip galvanized | Patterned | HLT30AL |
| 450 x 450 | Aluminium/ Hot-dip galvanized | Patterned | HLT45AL |
| 600 x 600 | Aluminium/ Hot-dip galvanized | Patterned | HLT60AL |