| Mechanical key | Treatment of backgrounds to improve adhesion either by raking out joints, forming keying grooves in ... | |
| Metal edging trim | Proprietary item largely replacing rounded edges for external angles available in aluminium, brass o... | |
| Mild Steel Mesh | Manufactured to BS 4483 usually employed in sizes D49 or A98 to reinforce de-bonded and floating scr... | |
| Moisture Expansion | The increase in dimension of materials, such as ceramic, due to changes in prevailing moisture condi... | |
| Noggings | Short timber struts fixed between joists to strengthen or stiffen a timber base before tiling.... | |
| Non Vitreous | Ceramic tiles having water absorption in excess of 7%... | |
| Notched Trowel | Used for the application of adhesives to walls and floors. Notches are of various sizes, square or r... | |
| Open Time | Length of time an adhesive applied to a substrate retains its ability to bond effectively to a tile,... | |
| PEI Rating | A means of classifying a glazed tile's ability to withstand varying levels of foot traffic, running ... | |
| Pendulum Test | A portable instrument to establish coefficient of friction on installed floor tiling. Defined in BS ... | |
| 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.... | |
| 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... | |
| Plumb Bob | Used with a plumb line to line through and check dots applied to a vertical surface.... | |
| Pointing Trowel | Typically 100 mm - 180 mm, used for buttering, straightening, marking floated surfaces and applying ... | |
| Polished Porcelain | A finish applied to highly vitrified ceramic tiles by abrasive polishing... | |
| Porcelain | Description increasingly given to highly vitrified, dense dust pressed, impervious, fine grained cer... | |
