Fill in the Blanks U131-W8-Install rain waterOnline version Answer the following questions using the list provided. by lee wood 1 Expansion mark 1m 50mm 1 150mm 600 1 - In order to prevent the gutter from buckling in hot weather , it must be inserted up to what point ? 2 - What is the correct ratio to use when working out the required fall for a length of guttering ? : 3 - What is the maximum unsupported overhang allowed , from the last facia bracket to the end of the gutter run ? 4 - By how much should the guttering overhang the roof line ? 5 - What is the maximum facia board clipping distance for a gutter run ?