Mainmast Tower Plan


Living Space: 180 Square Feet
Construction: Wood Framing
Files Included: PDF, CAD (.dwg), Sketchup Pro (.layout)
SKU: THP161 Categories: ,

The Mainmast Plan.

Designed to be built as a landmark on your property, Mainmast is modeled after a real lighthouse, and has spiral stairs up to the top.


180 Square Feet

First Floor 139 s.f.
Second Floor 41 s.f.
Under Roof 180 s.f.

10 Foot Ceilings

and 9 foot ceilings upstairs

House Size

15′ wide
15′ deep
41′ high

Floor Plans

Foundation & Floor

The foundation is designed with a concrete slab on grade.

Wall Structures

The exterior walls are 2x8 wood framing.

Roof Structure

The roof is pre-fabricated tower and balcony.

Exterior Finishes

The exterior is finished with stucco over the wall structure.

What's In This House Plan.

  • Floor plans are views of each floor, looking down from above. The plans show window and door locations, room dimensions and plumbing fixture locations.
  • Exterior elevations are flat views of the outside of the house, looking at the front, left, rear and right.
  • Building sections show cutaway views of the home structure.
  • The foundation plan shows the location of footings and concrete slabs.
  • Floor & roof layouts show the outline of the floor truss systems, and slopes, valleys, ridges and hips on the roof.
  • The wall section is a detailed view showing how the walls are assembled.
  • The electrical plan shows the outlets, switches, lights and fans on the floor plan.
  • Construction notes and typical details.

For more information, view a Sample Set of Drawings.


Included File Formats.

  • PDF is a digital version of the plans which is easy to view and print. It contains all the pages of the plans and shows colors and shadows. The PDF can be printed on any printer or paper size, but most plans print best on 36″ x 24″ paper.
  • CAD files in AutoCAD 2010 format. We can export other AutoCAD formats if needed. These drawings can be opened in AutoCAD or many other popular CAD programs.
  • Sketchup Pro. The Sketchup Pro file can be opened in Layout, which is part of the Sketchup Pro bundle. It is the format that we use to create the drawings. It includes a copy of the Sketchup 3D model.



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