Alphason Portland Office Chair - Black

The product information does not specify a maximum weight capacity, but it is designed for 8-hour recommended daily use, indicating robust construction for typical office users.

Assembly typically involves attaching the base, seat mechanism, backrest, and adjustable components. Clear instructions are usually provided with the product, often requiring basic tools.

Yes, the headrest is designed to be fully adjustable, which generally includes the option for removal if it does not suit your preference or workspace.

The Alphason Portland Office Chair comes with a 1-year guarantee.

Yes, the mesh back can be cleaned with a vacuum cleaner attachment or a slightly damp cloth with mild detergent. Avoid harsh chemicals or excessive moisture.

The knee tilt mechanism allows the entire chair to tilt backward from the knee joint, offering a more natural reclining motion that helps maintain proper posture and circulation while you lean back.

With its height adjustment feature, the chair is designed to be compatible with standard office desks. Ensure the lowest seat height setting still allows comfortable clearance.

Ensure the gas lift cylinder is properly seated. Check if the maximum weight capacity has been exceeded. If persistent, the gas lift may need replacement.

Locate the tension knob (usually under the seat) and turn it clockwise to increase resistance or counter-clockwise to decrease it. Ensure the chair is occupied when adjusting tension.

Check the screws or bolts securing the armrests. Tighten them firmly using the appropriate tool. Do not overtighten, which could damage the material.

Identify the source of the squeak, often where the mesh meets the frame. A small amount of silicone-based lubricant applied carefully to the contact points might resolve the noise.

Adjust the chair height and recline angle to ensure your spine is correctly aligned with the lumbar curve. The headrest and armrests also play a role in overall posture.