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WebNHBC Animation - Stepped cavity tray installation process NHBC UK 1.57K subscribers Subscribe Like Share 57K views 5 years ago This animation has been produced to help clarify the... Web16 jul. 2016 · My question is - where the step flashing meets the abutment walls would you just place one long bellcast bead over the lead (so some parts are over lead and others … WebTo view this page ensure that Adobe Flash Player version 10.1.0 or greater is installed. bougies action