Bringing the Benefits of Nature to Your House
Nature House Products

MSS12RSU3 - Three Unassembled Story Additions-Made In USA


Three Full story additions - unassembled. Cost per floor in the three pack is $72.66 (Free Shipping). For those of you that don't mind doing the assembly yourselves, this kit includes everything you need to build three stories on top of your MSS12R purple martin house. Please note that the addition of more than one story (4 and 5 story houses require Winch) per house also requires the addition of our WCK Winch to handle the added weight. WCK Winch Conversion Kit

1 pc Small Wrench Tool
12 pcs 6-32 x 5/16 Screws (For securing the outer wall to floor beneath) 
12 pcs 6-32 x 1-1/4 Screws (For perches)
24 pcs 6-32 Nuts
12 pcs Acorn Nuts (for Tie Rods)
12 pcs Perch Rail Supports
6 pcs Tie Rods
6 pcs Porch Perch Rails
6 pcs Floor Sections With Pre-Installed Floor Clips
18 pcs Doors
9 pcs Internal Enlargeable Compartment Plugs
18 pcs Winter Door Stops
6 pcs Inner Wall Divider Without Port Hole
6 pcs Inner Wall Divider With Port Hole
3 pc Center Dividing Wall
18 pcs Nest Elevating Subfloors 
6 pcs Outer Walls With Pre-Attached Rails

Add to Cart:

  • Model: MSS12RSU3
  • Manufactured by: Erva - Made in USA