Though not important, implementing a sealant to block paving can assist to prevent moss expansion and prolong the lifespan with the blocks. The sealant will fill the cracks and prevent humidity from penetrating the area, which could bring about damage eventually. ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​... https://letusbookmark.com/story19960836/the-best-side-of-block-paving-fleetwood