- Project plans
- Project activities
- Legislation and standards
- Industry context
- Specialist wikis
Last edited 01 Jul 2022
A porous surface is: ‘A surface that infiltrates water to the sub-base across the entire surface of the material forming the surface, for example grass and gravel surfaces, porous concrete and porous asphalt.’
NB Technical paper 35: Moisture measurement in the historic environment, published by Historic Environment Scotland in 2021, defines porosity as: ‘A measure of the total amount of void space in a material, usually expressed as a percentage (%).’
Assessing risks in insulation retrofits using hygrothermal software tools, Heat and moisture transport in internally insulated stone walls, by Joseph Little, Calina Ferraro and Beñat Arregi, published by Historic Environment Scotland in 2015, defines porosity as the: ‘Fraction of airspace within a material, often expressed as cubic metres of air per cubic metre of material (m3/m3) or a percentage of the total volume which is composed of air.’
Featured articles and news
Years first report shows good product availability and prices.
A guide to the roles, duties and competencies now published.
The medieval stained glass of Herefordshire and Shropshire.
Environment Committee publish open letter to the Mayor.
Significant transformation for built environment landscape.
Setting new benchmarks to help reshape design practice.
Looking back at the Egan Report and its impact.
CLC launch plan to support the natural environment.
Terminology, benefits and barriers.
Electrotechnical businesses are feeling the effects of the economic slowdown.
When did they start and how many are there?
Roadmap to guide professionals in using smart technology.
Campaigning for buildings of all periods.
Meaning, understanding and implementation.
Advancing sustainable and regenerative project management.
Promised to be pragmatic and practical guidance.