Damp-proof courses
The function of a dpc is to act as a barrier to the passage of moisture or water between the […]
Glossary
Glossary
Materials for underfloor insulation
Any material used as an insulation layer to a solid, ground supported floor must be sufficiently strong and rigid to
Glossary
Damp-proof Membrane
{Concrete} is spread oversite as a solid base for floors and as a {barrier} to moisture rising from the ground.
Glossary
Soluble sulphates
There are water soluble sulphates in some soils, such as plastic clay, which react with ordinary cement and in time
Glossary
Damp-proof courses in cavity walls
A cavity wall is built as two leaves separated by a cavity. The purpose of the cavity is to act
Glossary
Brick damp-proof courses
Two or three courses of dense, semi-engineering or engineering bricks were laid in hydraulic lime and later cement mortar. There
Glossary
Rigid damp-proof courses
Up to the twentieth century, damp-proof courses in walls were not common. The inevitability of some moisture rising in walling
Glossary
Mastic asphalt
Mastic {asphalt}, spread hot in one coat to a thickness of 13 mm, is a semi-rigid dpc, impervious to moisture
Glossary
Polymer-based sheets
Polymer-based sheets are thinner than bitumen sheets and are used where the thicker {bitumen} dpc mortar joint would be unsightly.