Control arms hold front wheels, allowing up and down movement. of the front suspension. The control arm is an important part of the front suspension. It connects the steering knuckle (the part that holds the front wheel) to the vehicle's frame or body, see the photo.
However, when grout is used in place of caulk, the grout can cause structural and aesthetic problems. 1  The grout will crack allowing moisture to penetrate. 2  Where the grout is sufficiently strong, movement in the walls, floor, or countertop can damage the tile.  Grout cannot hide corner cuts as well as caulk.
Flexible, Fast Setting Wide Joint Floor & Wall Grout. Flexigrout is a flexible, fast setting wide joint floor and wall grout developed for grouting joints in tiles between 3mm - 15mm wide. Flexigrout is ideal for grouting areas subject to limited movement and/or vibration such as plywood overlay and under floor heating. Flexigrout is suitable for grouting a large variety of tiles.