Is Feather Edge Waterproof?

like how important it is that it is 100% watertight (given that it's only a gazebo), where the prevailing winds come from, how broad your featherboards are, etc. ... but you could just try it and see.

Is Featherboard waterproof?

Hi,featherboard isn't a good idea for a roof. The thin edges tend to buckle and warp which allows raiin to drive up underneath. The fixings (unless sealed with rubber washers) will also allow water through as the timber expands and contracts with changes of temperature.

Can you use feather edge for a shed?

Timber Feathered Edge Board

This form of cladding is popular for garden sheds, agricultural barns, animal shelters, stables, log stores and cabins. ... Cladding Boards can also be treated with fence paints or other coloured timber preservatives to give a different finish.