Reasonable upcharge for epoxy grout?
We are having four areas tiled: an entry, a mudroom, and the floors and walls of a bathroom. In addition, we're having a very small wall (30 square feet) of glass blocks constructed in the bathroom.
Because ease of cleaning is at the top of my list for tile, I requested that the contractor get an estimate to use epoxy grout instead of standard grout. The subcontractor really dragged his feet, and only provided the "estimate" today, after he had begun spreading the mortar.
His upcharge is $950 for 490 square feet of coverage. Tile sizes and grout seams width varies, but the largest area will be 235 square feet with 12x24 tiles and a 1/16" grout seam. (Most of the grout seams are 1/16".)
Is $2/square foot a reasonable additional charge for doing epoxy grout? It seems ridiculously high to me, even though we live in an expensive area (San Francisco Bay area). I feel like the guy waited until he figured we couldn't say no, but I am considering telling the contractor that the subcontractor needs to reduce this number or we want a different installer.
On the other hand, we could pay the upcharge but reduce the areas in which to use epoxy. I think the bathroom floor and mudroom are the essentials, while the entry, bathroom walls, and glass block wall could probably use regular grout. What do you think?