Adding a drip channel to brick capping

JimFin

I have recently capped a block wall with red-brick laid horizontally on its edge on top of the wall. Unlike precast capping this design has no drip channel to prevent run-off water from travelling onto the block wall.

Has anyone encountered this problem and how did you resolve?

I'm considering applying a thin strip of silicone on the under side of the brick or possibly cutting a thin channel on the underside of the brick using an angle grinder.

Fine Cheers

Are you sure that is the source of the water ? Just wondering if rain is seeping through the vertical mortar joints in the bricks ?
Nothing to lose by experimenting with the silicone I guess but chasing a thin channel will be difficult with bricks in place I would have thought.

Tiercel Dave

I can't see that it will make a huge difference, does the brick overhang the wall by much?
Any little breeze is going to blow the water against the wall fairly quickly.....

JimFin

Has an overhang of about 30-40mm

Thespoofer

Water is going to soak down through them bricks and mortar regardless of putting a drip channel underneath.

What you're essentially hoping for is the water to run down the sides of the bricks, under the bottom until it hits the channel/silicone then drip off, won't happen. Will soak into the bricks ( well a large percentage will anyway )

Nigzcurran

Think it needed dpc between the bricks and wall