Flag sealer

[James Bond]

I know Resiblock is well regarded on here for block paving but what about for flagstone paving?

 

[Roland]

What sort of stone is it?

 

[James Bond]

What sort of stone is it?

From what I remember, it looks like limestone

 

[K in Kent]

Resiblock Invisible Indian Sandstone sealer and Indian Sandstone Colour Enhancer/Sealer are both fine for limestone. Colour enhancer/sealer has darkening effect.