It will help with iguanas that may rub their noses on the hardware cloth, but it may need to be replaced or recoated from time to time due to wear and tear. Another door option is to build a door that can be easily removed or opened so that the iguana will have the option to leave the habitat. Many people that have free roaming iguanas, also have habitats that give their iguana the freedom to come and go as it pleases. It's also a very good idea to have some type of latch or lock on the doors for times when the iguana needs to stay in the habitat. The habitat front - Depending on your design, the front of the habitat will vary depending on how you incorporate the doors and walls into the habitat you're building.
Many popular designs have large doors on the front or sides of the habitat.
Placing the doors on the front of the habitat will allow you to easily access the habitat and you won't have to worry about placing the habitat with side doors away from a wall. You may want to install doors to slide or you can build a simple frame facing on the front of the habitat, and installing heavy duty hinges. Properly sanding everything will not only ensure that the finish or paint you use adheres to the surface, but it will make it much more attractive as well. Many professionals will sand several times with many different grits to make for a fantastically smooth surface. After you've completely sanding all the wood surfaces, you'll want to paint or stain and finish it with a protective finish.