Which installation technique ensures proper engagement of the carpet with the tack strips?

The correct choice emphasizes the importance of fully covering the tack strip with the carpet during installation. This ensures that the carpet is securely held in place, providing a tight fit that prevents movement and potential damage. When carpet fully engages with the tack strip, the sharp points of the strip penetrate the backing of the carpet, anchoring it effectively and helping to prevent issues like wrinkles or shifts over time.

Complete coverage is vital not only for aesthetics but also for functionality, as it contributes to the longevity of the carpet and minimizes wear in high-traffic areas. This secure fit also enhances safety by reducing the likelihood of tripping hazards associated with loose carpet edges.

The other approaches fail to provide the necessary security and fit that carpet installation requires. For instance, only touching the tack strips at the corners or loosely placing the carpet over the strips does not offer sufficient engagement, leading to instability and potential damage. Not touching the tack strip at all leaves the carpet vulnerable to shifting, which can undermine its performance and lifespan. Therefore, ensuring that the carpet covers the entire tack strip is integral to a successful installation.