Learn this easy trick to making your room look as big a possible by laying your timber floorboards in the the best direction. learn more: toppropertytv.com.au.. Vertical radiators tend to be thought of as a little snazzier than horizontal installations – although both styles can be equally ‘different’ when compared to standard convector radiator designs – but which one is the right type of radiator for your room – horizontal or vertical?. A horizontal position is like a ruler laying flat on a table like the example: _____ as apposed to a vertical line like the example: l l l l … l l a ruler is going up and down. water on floorboard of chevy venture?.