2Flooring – click your mouse to bring up each point Two main types of constructionPlatform flooring &Cut in Floors (typically strip flooring is used)Click mouse again to look at the sketches opposite & review your notes from P20Cut in floorsPlatform Floors
3Strip Flooring Face fixed or secret nailed Undercut but joints or Laying & Clamping – click mouse to bring in each pointSelect the longest run of flooringString a line through middle of building parallel to outside wallsLay a run of boards along this lineNote: in small rooms you might start from one wall and work towards the otherCut and lay say 4 runs of board on each side of centreCramp & fixContinue laying & cramping boards in sections of 6 to 8 board maximumWhen you get close to the wall you will need to use an alternative to floor clamps, timber or a chiselUndercut but joints orOr use end matched boards
4Platform floorsTypesStructural Grade particle boardPlywoodCompressed cement sheetSheet sizes vary in thickness which effects joist span 450 or 600 centres
5Calculations Review your workbook calc’s Look at the sketch below: When working out quantities of floor boards to suit a particular room in a house, we calculate the amount of boards using effective cover per square metre of floor area, see the simple description below.1.0 x 1.0 = 1.0m²= 1.0m = 1000mmFor the purpose of the example, let’s say our floor boards have an effective cover of 86mm, therefore:or =Which means you can lay lineal metres of floor boards per / m² of floor areaReview your workbook calc’s1.0m1.0m
6Practical Assessment Bearer & Joist exercise in basement Demonstration of flooring clamps & strip flooringExplanation of different set out for sheet flooring & strip.