Frost Walls Even in the small details, we like to do things the FIF way. This is the frost wall and footing for the additional square footage we are adding towards the back of the house, which will sit on a slab on grade.
Even in the small details, we like to do things the FIF way. This is the frost wall and footing for the additional square footage we are adding towards the back of the house, which will sit on a slab on grade.