When not required, applying a sealant to block paving can help to prevent moss growth and prolong the lifespan from the blocks. The sealant will fill the cracks and prevent dampness from penetrating the area, which may trigger harm after a while. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​... https://highkeysocial.com/story3821897/block-paving-fleetwood-an-overview