When fixing a bracket back to a window frame ensure you pilot the hole first to ensure that the screw does not veer off course. This will ensure that you bracket is correctly aligned and minimise the chance of damaging the frame.
Then measuring for blinds ensure you take into account the window handles Ensure that when fitted the blinds do not come in contact with the handles and get damaged
Simply measure the Width Between the Rubber Gaskets in 3 Places and choose the smallest size, do the same for the Drop, again choosing the smallest Drop. For the best fit try to measure to the nearest Millimetre.
