To clean gutters effectively, start by removing large debris and then flush the gutters and downspouts with a garden hose, working from the closed end towards the downspout. 

Here's a more detailed breakdown:

1. Gather Your Tools and Materials:

• Ladder: Ensure it's sturdy and long enough to reach the gutters safely. 

• Garden Hose: With a spray nozzle for better control. 

• Gloves: To protect your hands from debris and dirt. 

• Tarp: To catch debris as you clean. 

• Optional Tools:

  • Gutter scoop or trowel: For removing compacted debris. 

  • Gutter cleaning attachment for a pressure washer: For more powerful cleaning. 

  • Gutter vacuum: For a more thorough and efficient cleaning. 

2. Prepare Your Area:

• Place the ladder: Ensure it's stable and at a safe angle. 

• Lay down the tarp: Position it under the gutters to catch debris. 

3. Remove Large Debris:

• Start at the closed end: Work your way towards the downspout. 

• Use a scoop or trowel: To remove leaves, twigs, and other large debris. 

• Clear downspout strainers: If you have them, remove and clean them. 

4. Flush the Gutters:

• Attach the spray nozzle: To your garden hose.

• Start at the far end: And move towards the downspout.

• Spray the gutters thoroughly: Using a strong stream of water.

• Check for clogs: If water isn't flowing freely, there may be a clog.

• Clear clogs: By feeding the hose nozzle up the downspout and spraying at full pressure. 

5. Clean the Downspouts:

• Flush the downspouts: After clearing any clogs.

• If your downspout is one solid piece: Take off the bands to remove it, flush it out with a hose, and reattach. 

6. Inspect and Repair:

• Check for leaks: Repair any leaks in the gutter.

• Ensure proper pitch: If you notice standing water, your gutter might not be pitched correctly. 

7. Consider Gutter Guards:

• After cleaning: Consider installing gutter guards to prevent future debris buildup.  

This is an example of gutters cleaning. Pictures are curtsey of wikiHow.