Boundary garden wall

Doop

I'm raising the garden boundary walls with 215 Cavity blocks. I'm just wondering do I need to finish it off on the top course with a solid block on flat? to 'close off the cavity' as such?

The walls I'm raising are cavity blocks but had already a block on flat as the last course. Is it advisable to do it this way?

Thanks

listermint

You dont have to, but its clean and you should. I wouldnt leave a cavity exposed personally. Water ingress etc.

uch

Put a bit of capping on it, it'll look much neater

Doop

uch wrote: »

Put a bit of capping on it, it'll look much neater

This is true but the intention is to clad the wall with timber lats, the capping would probably pose a hindrance. Thanks!

Lumen

Yeah, but if the cavities don't drain and the fixings penetrate the cavity you could end up with the end of the fixings submerged in water, which seems like a terrible idea, both for the fixings (are they going to be stainless?) and the wood.

You could cap it with wood, I guess, but you'd want to avoid flat planes that will collect water.

An uncapped cavity block wall with only the sides clad is going to look terrible when viewed from above.

Doop

Lumen wrote: »

Yeah, but if the cavities don't drain and the fixings penetrate the cavity you could end up with the end of the fixings submerged in water, which seems like a terrible idea, both for the fixings (are they going to be stainless?) and the wood.

You could cap it with wood, I guess, but you'd want to avoid flat planes that will collect water.

An uncapped cavity block wall with only the sides clad is going to look terrible when viewed from above.

Indeed ...the intention is now to 'cap' the cavity block wall with solid block on flat. I took uch's comment to mean capping it with a precast concrete or stone wall cap... which would get in the way of the timber cladding. The timber cladding will extend beyond the wall so viewing the top of the wall wont be much of an issue. Thanks

Lumen

I suppose you'll be giving your neighbour the opportunity to fill the cavities with soil and grow flowers along the top of the wall. :pac: