Rory Fields

Yes, but as discussed earlier on another thread, at floor level the ply will be exposed to wet and sealing will be necessary. Another...

I see Thorne's winter sale includes v cheap crownboards with solitary holes for porter bee escapes.... any use as auxilliary underfloor...

We had a local family called Badger whoose house was called the Sett. Made me smile everytime I walked past it on the way to school...

I've hear Michael's quite sett in his ways..

I've always considered thin ply crownboards to be an expendable commodity and have never bothered pampering them or worried about water...

The problem with any sort plywood (other than marine ply) is that, even if you treat the cut edges, moisture will find its way into the...

Yes, stain is stain and an oil-based paint or sealant, enough to creep deep into the ply, will give you the result you seek: protection...

Ronseal woodstain is more of a varnish rather than stain...

@Rory . Are your roofs watertight? Do you have insulation under the roof? Is ventilation adequate, or the colony small?

Come to south-west Northumberland - we get the rain at the top of the Pennines. Willie Robson, not knowing I lived here, mentioned my...

That's generally my approach. If something is liable to get wet and stay wet for any extended period (a Demaree board, for instance)...

A crownboard is a versatile tool and when used as a floor or split board it is open to the elements, so sealing is a good decision...

It's not marine ply; I'm as bothered about it warping in my shed as about getting wet on the hive tbh, I'm a bit of a fanny and I just...

Not sure why you need to seal them; the crownboard is kept dry under the roof. If it's marine ply it won't rot or split in any case. Why...

Thinned out oil based paint as @ erichbeaumont suggested should work well. I once treated a set homemade wooden trailer sides that way...