As of Alpha 10.4 build 10, Wood Ramp was no longer available via the Creative Menu.
A Wood Ramp is the upgraded version of a Wood Ramp Frame and can also be upgraded further into a Reinforced Wood Ramp. It can not be crafted using other materials, the only ways to obtain a Wood Ramp was through upgrading a Wood Ramp Frame or using the Creative Menu. It was not possible to use a Wood Ramp as a source of Combustible fuel.
Once you have the required tool and upgrade materials you can begin the upgrade process. The Wrench was equiped and the materials are left in your bag or on your tool belt. Approach the Wood Ramp and right click on it while holding the Wrench and an icon will appear showing the current upgrade status, the percentage shown will increase 33% each time the Wrench was used, You will need to use it 3 times on a Wood Ramp to complete the upgrade. The upgrade materials used will not be taken from your inventory until the upgrade was complete.