Correct way to install aluminum window casing? i didn't think that was the correct way to install casing. for one it does not have a smooth look to the casing and secondly you're putting holes in the aluminum, making it possible for water to work its way to the unpainted wood behind the aluminum.. Diy window casing tips + tutorials. first: head over to this old house and read this awesome article that tells you all the terminology about what is what in window trim. very informative! over at pretty handy girl, cristina from remodelando la casa has a thorough and detailed window casing tutorial to get your from start to finish � how to remove a window sill, install a new one, and trim. Diy house addition: how to properly flash & trim windows. materials� there are lots of materials you can use � fiber-cement trim boards, extruded aluminum trim from the window manufacturer, or plain old wood. for better or worse we�re going with cedar siding on the house, and rough sawn cedar for all of the fascia and trim.
How to replace exterior window trim step 1: demo! demolition is my favorite part of any home improvement project. nothing like bashing things with hammers to make me smile! for this project through, you�ll want to be gentle. first try and figure out which trim sections are rotten.. Custom bent aluminum trim. diy window trim. fascia. gable fascia. window trim. window sills. drip cap. shutters. latest reviews /> aluminum z flashing. parts were exactly as ordered. the website makes it really easy to order the parts exactly like you want. a trim bender representative actually talked to me because he noticed i had the. 2. measure for the leading edge of the flashing to determine how far it'll hang down in front of the window trim. 3. use a metal brake or homemade bending brake to bend the leading edge of the flashing passed 90 degrees. 4. make a gauge block from scrap wood to represent the thickness of the window casing and trim. 5..