The proper approach to this is to install vertical strips of wood over the cracks from the outside.
How to seal old barn siding.
Remove remnants of insects and their nests by scrubbing the wood with a wire brush.
You can choose to use something like 1x2 inch cedar strips.
Clean now you guys i tried a few different ways to clean the boards.
Custom lumber yards offer kiln services for all sizes and.
We cut both boards down to an equal width.
I m jealous you have barn wood best of luck.
Or if your shed looks like it is 100 years old and you want to maintain that look you can search out a source of recycled barn boards and rip them into strips to use on your shed.
Siding applied over the entire surface of a building can give itan entirely different appearance obscure craft details and mask ongoingdeterioration of historic materials underneath.
Repair and repaint historic siding rather than cover barns with artificialsiding.
But the fastest and most effective way.
Not knowing the size or purpose of your barn wood i d suggest mineral oil as used for butcher block.
The sheets cover 3 foot so it goes up pretty fast.
Cut and sand first cut your wood down to the length width you need.
In this video i show how easy it can be.
How to clean and refinish barnwood in 3 easy steps step 1.
Heat salvaged wood to 140 degrees fahrenheit to kill insects and their larvae.