1) Which blocks are used in foundations? a) Concrete blocks b) Thermolite blocks c) Lightweight blocks d) Blockettes 2) Which bricks are used below DPC a) Concrete bricks b) Engineering bricks c) Facing bricks d) Common bricks 3) What are the components of concrete? a) Coarse aggregate, fine aggregate, lime b) Coarse aggregate, fine aggregate, cement c) Coarse aggregate, finishing aggregate, cement d) Coarse aggregate, fine aggregate, plasticiser 4) This is used to prevent raising damp. The moisture barrier stops damp rising through the solid floor. a) DPC b) DPD c) DPA d) DPM 5) This prevents damp and radon gas entering the house from the ground. Used on contaminated land. a) Radon barrier b) Gas panic c) Radon bridge d) Gas liner 6) This is used at FFL, Finished Floor Level. This prevents rising damp a) DPM b) DPA c) DPC d) DPB 7) Used to retain heat in solid floors a) PIR board b) Fibre glass c) Sheep's wool d) Polystyrene balls 8) Used to aid strength and to prevent the foundation from cracking a) b) c) d)

Foundation materials

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