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MSS12RSAS - Assembled (6 Room) 1 Story Addition - USA


Fully assembled MSS12R 1 Story addition (see images below for examples of houses with additional floors). This product ships with two screws securing the floor sections for security in transit. Installation requires that these two screws be removed. Then the story is simply bolted to the top of the existing story. The ceiling is to be replaced with its original screws and the installation is complete! Everything is in place for quick installation. Dry Nest Subfloors and Winter Door Stops are also included. All parts are USA made and as always, spare parts are readily available. Images below show the MSS12R with one and two story additions. The houses to the lower right utilize the enlarged compartment option and feature optional crescent and blank doors CD and BD Doors The houses below center utilize standard 6x6 compartments. The houses at lower left are setup with enlarged compartments and are using the standard keyhole cutout doors and optional blank doors. 

Important Note: Adding more than one story requires the replacement of the rope lanyard with our Winch Conversion Kit to handle the added weight.

Note: Also available unassembled for the reduced price of $78.99 MSS12RSU1 Story Addition - Unassembled


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  • Model: MSS12RSAS
  • Shipping Weight: 6lbs
  • Manufactured by: Erva - Made in USA