Q:

Is it possible to grout over existing grout?

A:

Quick Answer

It is necessary to remove existing grout before adding new grout between tiles according to Bob Villa of "This Old House." An existing tiled surface that needs fresh grout between the tiles will require some work.

Continue Reading

Full Answer

The reason it is important to remove the existing grout is because grout does not adhere well to existing grout. Placing a fresh layer of grout over an old layer will eventually cause the new grout to flake off away from the surface. The layers of grout will remain separate from each other, which will cause the newest layer of grout to fail.

To prepare the surface for new grout, remove the original grout to at least two-thirds of the tile depth.

Learn more about Building Materials

Related Questions

  • Q:

    How can a heavy mirror be hanged on a plaster wall?

    A:

    The best way to hang a heavy mirror on a plaster wall is through the use of anchors according to expert contractor Bob Villa. Screws can be used but only if the mirror will be located at a stud point in the wall. There are various types of wall anchors and screws that can support heavy pictures or mirrors on walls made of plaster.

    Full Answer >
    Filed Under:
  • Q:

    How do you remove dirt and stains from a plastic bathtub?

    A:

    A non-scratching cleanser can be used to remove surface dirt stains from a plastic bathtub according to expert contractor Bob Villa. Plastic bathtubs are easily scratched, so removing stains is not always simple. For deep set-in stains, chlorine bleach works well.

    Full Answer >
    Filed Under:
  • Q:

    What are the names of patterns for brick walls?

    A:

    The main brick wall patterns are running bond, basket weave, herringbone, Spanish bond, diagonal and diagonal basket weave, according to This Old House. Running bond is the most common type of brick pattern, using bricks of the same size laid on top of one another and alternating placement by level.

    Full Answer >
    Filed Under:
  • Q:

    What are some common decking materials?

    A:

    Pressure treated lumber, tropical hardwoods, cedar, redwood, composite materials and aluminum are common decking materials suggested by Popular Mechanics and This Old House. Each of these decking materials has its own benefits depending on climate conditions and desired landscaping appeal.

    Full Answer >
    Filed Under:

Explore