James it is quite normal for a box gutter to be a simple u shape.
How to line box gutters.
To restore or repair your rusted box gutter liner you first need to clean the gutter and remove any debris.
If the gutter is out of shape or leaning you may simply be able to bend the gutter back into shape.
These brackets may be loose or broken causing the gutter to be out of alignment.
You can paint this primer directly over the existing liner and any rust that exists.
Box gutter sketch how to do it right we use lots of sketches and photos in our building surveys.
Check the brackets directly in front of and behind the area of concern.
If your box gutters are leaking the best way to fix them is to remove everything in the gutter including the old metal make sure all of the wood is in good shape and reline them with either.
Built in gutters also referred to as box gutters are considered a concealed roof drainage system.
There is nothing stopping overflowing back under the roof.
Step 4 re align the gutters.
Since they are not readily visible they typically don t alter the historic character of buildings and don t detract from or conceal decorative cornice details.
That is why it is important to have box gutter overflows and sufficient downpipe outlets to stop the water line approaching the top edge of the box gutter.
In many cases however a built in or box gutter may be what your house originally had and what it should have now.
There is more information on this later.
Gutters on these style buildings were meant to be hidden.
There are a few manageable options to re aligning the gutters.
The k style gutter is an adaptation from a design based on the classical orders of design.
Next coat the inside of the gutter channel with a self etching metal primer.