Remove the old downspouts that were attached to the under side of the old now abandoned eaves trough or integral gutter and seal the opening left in the underside of the old eaves trough so that you don t invite critters into the roof structure.
Converting box gutters.
Ogrs stainless steel gutter systems data sheet 1 3 mb.
Beowulf builders bringing old homes into the future this video explains how you go about installing a boxed gutter.
You only need to remove the shingles that connect to or touch the box gutter itself.
Edit answer for another 29 minute depending on the configuration concealed or open and how they interface with the roofing edge whether rot has gotten into the fascia board number of downspouts type of lining membrane roofing tin galvanized steel copper stainless steel cross section of gutter etc and especially how common they are in your area your cost is likely to be at least 20 lf of gutter and downspout for open overhanging box gutters or 30 40 lf plus for.
After removing the shingles pull up any extra nails from the roof that are remaining.
Vcrs stainless steel gutter systems data sheet 1 7 mb.
By twisting the shovel you will pry up the roofing nails and release the shingles from the roof.
Fiberglass gutter drawing fg rfg 125 4 kb.
Converter box for concrete gutters data sheet 1 mb.
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If you have any questions about the vid.