Nantucket Collection

Nantucket Island is a place of great beauty, yet it's resilient in the face of the harsh coastal weather of the North Atlantic.

That same resilient beauty is expressed in the Nantucket® Collection by Simpson Door Company. After all, a door should offer a warm welcome to those who approach it, yet resist extreme weather conditions when it needs to.


In the Simpson tradition of exceptional performance, these doors combine durable, weather-resistant wood species with a modified mortise-and-tenon construction technique. The result is a door that will retain its rugged beauty and last for years and years, regardless of what nature sends its way.


Available in your choice of 3 wood species:

Like all Simpson doors, our Nantucket Collection is about building a door that is uniquely your own. That’s why you can choose from three wood species options, each one as beautiful as it is durable. Because the grain patterns and color of natural wood will vary, your door will have a one-of-a-kind texture, warmth and personality.

Douglas Fir

10-year warranty

Sapele Mahogany

10-year warranty

Nootka Cypress

10-year warranty

Side-lites and Transoms

UltraBlock Technology?

UltraBlock® Technology (Available in all 1¾" and 2¼" doors) = 5 Year Warranty


A long time favorite of Simpson's most discriminating customers, UltraBlock technology adds a water-resistant composite block in the bottom of the door stiles, where water infiltration can occur in a tough exposure. Our exclusive Weather Seal™ process provides additional protection against moisture penetrating the bottom rail. It's our answer to the galoshes you splashed around in as a kid.


UltraBlock technology is already included on most Simpson entry doors. And for doors that do not include it as a standard, it can be ordered as an option. Simply let your Authorized Dealer know you want UltraBlock in your door.

Maximum protection against extreme weather conditions

Composite block material finger-jointed into the bottom of the stiles eliminates water infiltration.


  • Minimizes stile and rail separation
  • Eliminates bottom rail and lower stile rot
  • Reduces buckling and swelling of bottom rail and lower stile components
  • Improves warp resistance
  • Beautiful genuine wood
  • Five year limited warranty


Order UltraBlock® in all your 1¾" and 2¼" Thick Exterior Doors.


Interior Doors







Simonton Wood Entry Doors

Therma-Tru Fiberglass Entry Doors

Entry Doors


Therma-Tru Steel Entry Doors

Classic Craft Entry Doors

Smooth Star Entry Doors

Pulse Entry Doors

Fiber Classic Entry Doors

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