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.
Often, installers use grout in place of caulk for these reasons: 1  The caulk may not exactly match the grout color.  Even when the caulk exactly matches the grout color when installed, it may not match six months later (caulk will age differently from the grout).
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.