5 Roof Rake Tools to Help Clear the Roof of Snow.

Suncast SRR2100 24-Inch Snow Shovel Roof Rake with 20-Foot 3-3/8- Inch Reach Suncast http://www.amazon.com/dp/B0007NY3DA/ref=cm_sw_r_pi_dp_67m3ub170HFYF | See more about snow, resins and crosses.

Garelick 89421 21-Foot Aluminum Snow Roof Rake With 24-Inch Blade Garelick http://www.amazon.com/dp/B0000BYCD5/ref=cm_sw_r_pi_dp_z7m3ub1RQN9R4 | See more about snow, gardening and lawn.
This one is my favorite! Simple to assemble, simple to use, and very effective. The wheels protect the roof, which is key. And reasonably priced!

Snow Joe 21-Foot Twist-n-Lock Telescoping Snow Shovel Roof Rake - BedBathandBeyond.com

Garelick 89416 16-Foot Aluminum Snow Roof Rake With 7-Inch by 24-Inch Blade New #GARELICK

Avalanche Wheeled Roof Rake, Model# AVA500 | Roof Rakes| Northern Tool + Equipment | See more about tools, models and products.