Meaning of lag in the construction industry
In the construction industry, the term ‘lag’ can mean:
- ‘…the minimum necessary lapse of time between the finish of one activity and the finish of another overlapping activity.' Ref The Society of Construction Law Delay and Disruption Protocol, 2nd edition, published in February 2017 by the Society of Construction Law (UK).
- ‘…the amount of time required between the start or finish of a predecessor task and the start or finish of a successor task.’ Ref The Society of Construction Law Delay and Disruption Protocol.
- The delay in the transmission of thermal conditions between one side of the fabric of a building and the other.
- The process of installing insulation, in particular around water pipes to prevent freezing, or to prevent heat loss from hot water pipes. This is sometimes referred to as ‘lagging’.
- A type of screw or bolt: A heavy-duty fastener that creates its own mating thread in timber and other soft materials when tightened.
- A time delay between the action of a control system and its effect on the controlled parameter
[edit] Related articles on Designing Buildings
Featured articles and news
Latest Build UK Building Safety Regime explainer published
Key elements in one short, now updated document.
UKGBC launch the UK Climate Resilience Roadmap
First guidance of its kind on direct climate impacts for the built environment and how it can adapt.
CLC Health, Safety and Wellbeing Strategy 2025
Launched by the Minister for Industry to look at fatalities on site, improving mental health and other issues.
One of the most impressive Victorian architects. Book review.
Common Assessment Standard now with building safety
New CAS update now includes mandatory building safety questions.
RTPI leader to become new CIOB Chief Executive Officer
Dr Victoria Hills MRTPI, FICE to take over after Caroline Gumble’s departure.
Social and affordable housing, a long term plan for delivery
The “Delivering a Decade of Renewal for Social and Affordable Housing” strategy sets out future path.
A change to adoptive architecture
Effects of global weather warming on architectural detailing, material choice and human interaction.
The proposed publicly owned and backed subsidiary of Homes England, to facilitate new homes.
How big is the problem and what can we do to mitigate the effects?
Overheating guidance and tools for building designers
A number of cool guides to help with the heat.
The UK's Modern Industrial Strategy: A 10 year plan
Previous consultation criticism, current key elements and general support with some persisting reservations.
Building Safety Regulator reforms
New roles, new staff and a new fast track service pave the way for a single construction regulator.
Architectural Technologist CPDs and Communications
CIAT CPD… and how you can do it!
Cooling centres and cool spaces
Managing extreme heat in cities by directing the public to places for heat stress relief and water sources.
Winter gardens: A brief history and warm variations
Extending the season with glass in different forms and terms.
Restoring Great Yarmouth's Winter Gardens
Transforming one of the least sustainable constructions imaginable.