Summerhouse

[Nottm_George]

I want to re-clad the back and side of my summerhouse with plywood but I need to seal it as once in place I won’t be able to get to it to maintain it I have seen where some products affect the plywood any suggestions

[Buenchico]

This might help:
https://www.ronaldphillipsantiques.com/how-to-seal-plywood-for-outdoor-use