The Catalina Kit

Starting at $24,000

400 Sq. Ft. 20’x20’ with 10’ ceilings and Flat roof

Option for gabled (2:12, 4:12 and 6:12) and slant roof

Introducing the Catalina ADU – a sleek and functional 20’ x 20’ open-concept unit designed for simplicity and style. With four strategically placed windows for natural light, a single entry door, and a clean flat roofline, the Catalina offers a versatile space perfect for a guest suite, office, or creative studio. Thoughtfully crafted to blend modern form with practical use, it's a smart addition to any property.

Specifications

  • Price Starts at: $22,700

  • Floor Area: 400 sq. ft

  • Dimensions: 20 ft x 20 ft

  • Roof Dimensions:

  • Bedrooms: 0

  • Bathrooms: 0

  • Windows: 4

  • Doors: 1 French Door

  • Total # of Panels:

  • Roof Panels:

  • Wall Panels:

  • Shipping Details: $3.50 to $12.50

  • a mile from Chattanooga, TN.

  • Lead Time: 5 months

  • Financing: Available

Floor Plan

DIY 1 Bed, 1 Bath ADU

DIY Finished Units

Material List — What’s Included

# Material Size Weight Quantity Web Link
1 Simpson Strongtie VTCR Clips 18 gauge 120 VTCR Single-Sided Valley Truss Clip | Simpson Strong-Tie
2 Roof Seam Connection (Flat steel plate) ⅛”x4” 60’ n/a
3 Loctite PL Premium Construction Adhesive 12CT 10oz 2 Loctite PL Premium 10 oz. Polyurethane Construction Adhesive Tan Cartridge (12 pack) 1390595 - The Home Depot
4 Tapcon Concrete Anchors 225CT ¼” x 1 ¾” 1 Tapcon 1/4 in. x 2-1/4 in. Hex-Washer-Head Concrete Anchors (225-Piece) 24525 - The Home Depot
5 304SS Dome Head Blind Rivets 3/16 x .55 550
6 Zip Seam Tape 3 ¾” x 90’ 3 3-3/4 in. x 90 ft. ZIP System Tape
7 Jack Studs 2”x4”x8’ 6 2 in. x 4 in. x 96 in. #2 Premium Grade KD-HT Stud 058449 - The Home Depot
8 LVL Beam 11 ⅞” x 1 ¾” 21’
9 Framing Lumber 2”x4”x10’ 17 2 in. x 4 in. x 10 ft. #2 Premium Grade Fir Dimensional Lumber D204SEC.294.10 - The Home Depot
10 Framing Lumber 2”x10”x8’ 1 2 in. x 10 in. x 8 ft. #2 Premium Grade Fir Dimensional Lumber 915564 - The Home Depot
11 Great Stuff Spray Foam 8CT 12oz 1 GREAT STUFF 12 oz. Gaps and Cracks Insulating Spray Foam Sealant (8 Pack) 227112 - The Home Depot
12 LiteSIP Panels 21

Stackable Option

What’s Needed

  • Monolithic concrete pad (?ft x ?ft)

  • Building Permits

  • Interior Finishes

  • Exterior Finishes

What’s Recommended

  • General Contactor

Panel Breakdown

 

Exterior DIY Rendering

 

Adaptable Layout

Nationwide Delivery

<3-Day Install

Eco-Friendly

Energy Efficient

 
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