Across
- 4. What is the name for the substance made from Cement, Sand(fine aggregate), chippings(coarse aggregate) and water.
- 7. Welsh word for 'floors'
- 8. What is the name for the compacted crushed stone which is laid on top of the ground,underneath a solid concrete ground bearing floor slab.
- 9. What is the name given to a floor which is usually laid on top of an existing floor, usually to enhance the sound and sometimes the heat insulation properties of the floor.
- 10. What is the name given to the concrete which covers the ground and provides a level base for the sleeper walls on a suspended timber ground floor.
- 11. A cross section view of the concrete beams on a suspended concrete floor is the shape of an inverted ----
- 12. If ----------- sourced building products are used for construction it is more environmentally friendly than transporting them from far away.
- 16. Welsh word for 'concrete'
- 17. This is made from semi-dry sand and cement, is usually between 50mm and 75mm thick and is sometimes used on top of a rough concrete floor to provide a good finish.
- 19. This must be placed under the floorboards and between the joists on a suspended timber ground floor, to prevent heat loss.
- 20. A layer of insulation is placed under the concrete on a solid concrete ground bearing floor slab to prevent ---------- being lost through the floor.
- 22. A length of timber usually 100mm wide and 50mm thick which is laid on top of a sleeper wall to provide a fixing point for the joists and to spread the load evenly through the wall.4,5
- 23. Type of brickwork bond used for building sleeper walls, to help provide ventilation under a suspended timber ground floor.
- 25. Welsh word for 'timber'
Down
- 1. It is better for the --------------- if sustainable products are used for construction.
- 2. Pre-stressed steel rods are embedded in the concrete beams. What is their purpose? To provide ------------------
- 3. A steel component used to support the end of a timber joist in certain circumstances. 4,6
- 5. The name given to the wall built with honeycomb brickwork, supporting a suspended timber ground floor. 7,4
- 6. This is made from flexible plastic and is laid underneath the wall plate on a suspended timber ground floor to prevent rising moisture(Abbreviation)
- 13. On a suspended block and beam concrete floor, what components are used to fill the gaps between the beams?8,6.
- 14. What is placed into the outside walls underneath a suspended ground floor to provide ventilation? 4,6.
- 15. A horizontal timber which spans between walls and supports the floor.
- 18. These are fixed on top of the joists to provide a level surface for walking on. 5,6
- 21. What name is given to the thin layer or sand laid on top of the hard core on a solid concrete ground bearing floor slab to prevent the damp proof membrane from getting punctured.
- 24. This is used to prevent moisture penetrating through a solid concrete ground bearing floor slab(Abbreviation)