dwsilikon.blogg.se - Building envelope services

#Building envelope services windows

National Calculation Methodology (NCM) modelling guide (for buildings other than dwellings in England) 2013 edition, published by the Department for Communities and Local Government ( DCLG), defines ‘ envelope area’ as:Īrea of vertical envelopes ( walls) = h * w, where: Overall internal dimensions are used to calculate this envelope area and no subtractions are made for the area of the junctions of internal walls, floors and ceilings with exterior walls, floors and ceilings. This includes walls and floors below external ground level. The envelope area, or measured part of the building, is the total area of all floors, walls and ceilings bordering the internal volume that is the subject of the pressure test. The envelope area of a flat in a mulit- storey building includes the floors, walls and ceilings which are shared with adjacent flats. The envelope area of a terraced house includes the party wall(s).

The method of construction, deconstructability and recyclability.

Durability, flexibility and expected life.

The need for openings, views, security, safety, access, privacy and so on.

The nature of the building envelope is likely to depend on a wide range of requirements, some of which may be in conflict: Together, these form the physical separation between the interior and exterior, that is, the climatic modifier that creates and contains the internal conditions.

#Building envelope services windows

the walls, floor, roof, windows, doors, roof windows and roof lights. According to Approved Document L2B: conservation of fuel and power in existing buildings other than dwellings, the term ' building envelope' refers to: