Concrete Sealer and Concrete clear caots will protect and extend the life of walkways, driveways, and protective stone.
For more information see our full post at http://www.shearerpainting.com/blog/2010/07/concrete-and-stone-sealers/
Here are Concrete coatings Shearer Painting has used in Seattle
Aqua Seal and Concrete Glaze from Cloverdale paint
Shield Crete from Sherwin Williams
MPI #104 approved Sealer, Solvent Based, for Concrete Floors