| Pendulum Test | A portable instrument to establish coefficient of friction on installed floor tiling. Defined in BS ... | |
| Perps: | The vertical cross joints in a wall. The setting out of the Perps and the careful maintenance of the... | |
| Piece | gutters to support the tiles in correct position... | |
| Piers: | Can be attached, on one or both faces of a wall, and are bonded to the main wall to strengthen it or... | |
| Pig: | An error, in the number of courses, at the two quoins of a wall; although the wall may be level a Pi... | |
| Pin Hammer | Light hammer for use with thumb chisel to apply a scribed line on a floor tile prior to cutting and ... | |
| Pincers | Standard tool used for snipping pieces of glazed tile up to a scribed line.... | |
| Pitch | Angle of the roof from the horizontal e.g. say 30¡ for slates... | |
| Place Brick | Red bricks that are under-burnt due to their position in the kiln. These are below the quality requi... | |
| Plaster finish | Gypsum plaster as a finishing coat on plasterboard, cement render or plaster base or scratch coat.... | |
| Plasterboard | Paper faced board manufactured from gypsum plaster often used as a tiling background, particularly i... | |
| Plastic edging trim | Proprietary item largely replacing rounded edges for external angles, available in various profiles ... | |
| Plasticiser | A material that increases fluidity or plasticity of a mortar, cement paste or concrete mixture and r... | |
| Plinth Brick | A facing brick with a 45 deg. chamfer on the stretcher and header faces used to reduce the thickness... | |
| Plinth Courses: | Used at the base of a wall if it is to be thicker than the main wall. Each plinth course reduces the... | |
| Plugging Chisel: | A wide flat chisel blade, about 200mm long, with a parallel thickness of 5mm. The upper end of the c... | |
| Plumb Bob | Used with a plumb line to line through and check dots applied to a vertical surface.... | |
| Plumb Rule: | Now mainly replaced by the Spirit Level but still used when a high degree of accuracy is required. T... | |
| Plumbing: | The task, by use of a Spirit Level or Plumb Bob, to ensure that brickwork or components are set accu... | |
| Pointing Trowel | Typically 100 mm - 180 mm, used for buttering, straightening, marking floated surfaces and applying ... | |
