flooring index
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FLOORING
Index
Introduction
Design of floor to be asphaltedSelection parameters
Design of the base
GeneralConcrete basesScreedsTimber floors
Table 1 - Classification of surfaceregularity of direct finished baseslab or screed
Mastic asphalt flooring
GeneralGrade I - Special hard flooringGrade II - Light duty flooringGrade III - Medium duty flooring
Grade IV - Heavy duty flooringTable 2 - Grades and thicknesses of
mastic asphalt for underlays andwearing surfaces
Table 3 - Susceptibility of mastic asphaltfloors to chemical andtemperature attack
Mastic asphalt flooring/waterproofingDrainage of floor areasEffects of temperature
Regulating courses
Special applications
GeneralChemical & acid resisting flooringSpark resistant flooringPostal sorting office flooringPlant room floors and tank room floorsOil resisting flooringFlooring for unheated buildings
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Detail considerations
Surface finishSeparating membranesPreparation of sloping & vertical surfacesto provide a key
Thermal and sound insulationMovement joints
Tolerances on finished mastic
asphalt flooring
GeneralDeparture from the datumSurface regularityTable 4 - Classification of surface
regularity for mastic asphaltflooring
Mastic asphalt underlay to other floorfinishes
Site work
Work planningPreparatory site work prior to asphaltingAchieving required quality of workDocumentation and preparationReceiving and checking materials
Workmanship
RemeltingTransport of molten materialSetting outPlacing the separating membraneLaying the mastic asphalt flooring
GeneralHorizontal work
JunctionsSkirtingsCove or angle filletsAchieving a sand rubbed finish
Achieving a natural float finish
Testing the surface
Slip resistanceTable 5 - Slip resistance
FLOORING
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Maintenance and repair
Cleaning and polishingRepair of mastic asphalt flooring
Typical specifications
1) Mastic asphalt flooring with skirtingboard
2) Mastic asphalt flooring with decorativesheet or tile finish and skirting board
3) Mastic asphalt flooring overlaid withwood block finish
4) Mastic asphalt flooring with ceramictile finish
5) Mastic asphalt flooring and skirting to
tiled shower baths or similar6) Mastic asphalt flooring with mastic
asphalt skirting7) Mastic asphalt flooring to plant rooms
and tank rooms8) Mastic asphalt flooring to drainage
channels with light duty gratings9) Mastic asphalt to heavy duty drainage
channels
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Earls Court - London