Remove all gubbins dirt flaking paint and rust from the cast iron.
Cast iron gutter repair paint.
The undercoat acts as a preparatory coating on the guttering surface increasing the stickiness and durability.
The smoother the surface the better the patch will adhere to the surrounding metal.
Evo stik metal epoxy putty.
Gutter repair paints for box valley and industrial guttering located in eaves and central valleys are available to buy today at rawlins paints.
The primer is absolutely necessary otherwise the paint itself might deteriorate the gutter itself.
Make sure the area around the hole is clean and dry before applying either type of patch.
After cleaning your gutters and leaving them dry for an entire day you can start applying a coat of primer.
Gutter repair tape is a thin layer of foil coated with a layer of bituminous adhesive often on both sides of the tape.