Eve n better thermal insulation can be obtained by using clinker or crushed brick as the aggregate.
Cavity wall insulation no fines concrete.
Built by the wimpey company in the early 1950s the houses are so called due to the use of cast in situ no fines concrete concrete made up of cement and graded aggregate but no sand or other fine aggregate.
The strength of no fines concrete is comparatively lower than standard concrete.
The consistency of no fines concrete cannot be reliably measured.
No fines concrete cannot be used in reinforced concrete structure.
No fines concrete cannot be used in reinforced concrete structure.
Disadvantages of no fines concrete.
Disadvantages of no fines concrete.
External wall insulation ewi for existing properties.
A 10 inch no fines wall re n d e r ed externally and plas t e r ed intern a l l y has a heat transmission value of 0 30 which is the same as an 11 inch cavity brick wall.
Bined no fines and dense concrete constru c t i o n.
The more common mk2 version from 1925 to 1945 had cast in situ cavity walls 3 inches 7 6 cm thick inner and outer ieaves with 2 inches 5 1 cm cavity usually finished externally with stone dashed render coat.
Howe ve r the.
Defective ewi on solid walls of no fines concrete ican is involved in a number of client engagements in england and scotland conducting investigations of solid wall insulation swi system defects on no fines concrete properties in severe wind driven rain exposure locations which are now experiencing problems of rainwater ingress and consequent mould.
External wall insulation ewi for existing properties.
More than 300 00 were built by george wimpey co ltd in the 1940 2 right through to the 1960 s with varying styles including houses bungalows maisonettes and low rise blocks of flats.
No fines houses have better thermal efficiency than many other concrete dwellings due to the internal pore structure of the.
The consistency of no fines concrete cannot be reliably measured.
External wall insulation wimpey no fines concrete external insulation for system built pre fabs the great news for owners of system built or pre fab homes is that there are now government grants available for external wall insulation to be fitted using the latest insulated render systems.
Constructed from cast in situ concrete no fines was one of the most successful system built houses.