Open up the seam and remove the drain.
Built in gutter membrane.
These systems are usually built by the framers when the house is originally built.
Rather than attaching an external gutter to the outside of the fascia a built in gutter design uses the board to frame in a trough to collect rainwater at the roof edge.
This requires a waterproof membrane placed over the board and under the roofing material some distance up the roof slope depending on the pitch.
When repairing built in gutters there are a number of steps in the process of identifying the extent of the problems and restoring the system.
Built in gutter membrane repairs.
This involves applying a waterproof roofing membrane over the existing gutter lining.
Use a proper cleaner to remove algae and old sealant down to the bare rubber in the gutters.
Although we may agree built in gutters look nicer as a finish on a home.
These membranes are usually either epdm rubber or modified bitumen and are manufactured for flat roof installations.
Does your home have built in or hidden epdm membrane gutters.
Not many companies have the experience or skills to repair these gutters but we do.
Built in gutters as a design feature are very functional very robust and very beautiful.
The problem is that when the membrane is installed properly they cost about double that of aluminum gutters.
Our experience allows us to maintain these complex systems these kinds of unique systems can be challenging because they may have been built with the home possibly by framers who didn t understand drainage very well.
And certainly the roofers do not.
The framers do not provide slope when they build them.