View Flagstone Sealer Background. There are two basic types of sealers. The best type of sealer to use on flagstone is a water repellent sealer.
We didn't feel good about applying a useless penetrating sealer, knowing it did little good, so we stopped sealing.
Flagstone patio before & after color enhancing sealer. Tried sw wet look sealer on a. There are many sealers and sealing solutions in the market these days specializing in flagstone. Removing excess water from flagstones sweeping off dirt from flagstones if the damage can't be fixed, then installing a new one will do.