White Oak

• White oak is a popular choice for exterior doors. White oak is durable and is resistant to pressure, something that exterior doors encounters regularly. White oak rates higher strength-in-bending tests over other woods like ash. Another reason for white oak's popularity is the fact that it is decay-resistant and resists moisture very well.
  
  

Mahogany

• Mahogany is another common choice by homeowners and builders for exterior doors, although it is more expensive than other wood varieties. Mahogany is used by most boat-builders because it is so water-resistant and does not warp or swell. Another benefit of mahogany is that it has very few knots and has a clean look.
  
  

Maple

• Maple is also a very durable wood for exterior doors. Maple is easy to cut and finish and is naturally resistant to extreme weather. Maple, however, tends to shrink over time.
  
  

Teak

• Teak is one of the best choices for resisting moisture and being durable. Teak is very hard and it is a good choice for exterior doors that will come in contact with a variety of weather elements.
  
  

Cherry

• Cherry is a very durable wood that is also full of color. Cherry is a good choice for exterior doors, however, it is usually more expensive than other wood varieties.