A damp proof course is a waterproof layer in the construction of an exterior wall that prevents damp from within the ground, surface water or splashback from rain from entering into the structure. This should never be rendered over.

Dash is an aggregate such as crushed stone or pebbles that is embedded into a pre-hardened render to create a textured finish.

A DPC or damp proof course is a waterproof layer in the construction of an exterior wall that prevents damp from within the ground, surface water or splashback from rain from entering into the structure. This should never be rendered over.

A drip bead is a bead with a sloping profile that assists the forming of concave bellcasts. Using a bellcast bead is a quick to apply process that gives uniformity and reinforcement to the bellcast

Dry lining is both a description and a process where plasterboards or panels are fixed to frames to form internal walls often finished with plaster.

A dry lining bead is a bead or trim that is used to finish or edge plasterboard or an internal panel and accepts a thin plaster coating.