A modern prefab backyard ADU featuring vertical natural cedar wood siding, matte charcoal standing seam metal cladding, corner picture windows, and a landscaped patio with outdoor seating

    Exterior Siding & Cladding Options for ADUs

    Exterior siding and cladding are the weather-facing skin of an accessory dwelling unit, and they decide

    An open-concept ADU interior featuring a modern walnut kitchen with a waterfall quartz island, adjacent living room with neutral boucle seating, and a vaulted ceiling with an exposed wood beam

    Interior Finish Materials & Design for ADUs

    Interior finishes are the visible, touchable layer of an accessory dwelling unit: the flooring, wall treatments,

    A light-filled modern ADU bedroom featuring a built-in oak storage bed with pull-out drawers, an integrated reading bench, floor-to-ceiling cabinetry, and a large black-framed garden window

    Space-Saving Storage Solutions for ADUs

    Space-saving storage solutions for ADUs are the built-in, vertical, and multifunctional systems that create usable storage

    A modern studio apartment interior featuring an elevated wooden platform bed nook with integrated shelving and a window next to an open living area with a gray sofa and mid-century coffee table

    Bedroom & Living Space Design for ADUs

    Bedroom and living space design for ADUs is the practice of planning habitable rooms inside an

    Partially framed tiny home on wheels showing wood wall and roof framing, loft structure, structural sheathing, steel trailer chassis, and engineered mechanical connections.

    THOW Structural Framing Methods & Standards

    THOW structural framing is the engineered skeleton of a tiny house on wheels: the trailer connection,

    Tiny house on wheels built with lightweight durable materials including steel framing, metal roofing, resilient siding, energy-efficient windows, plywood interiors, and vinyl flooring.

    Best Materials for Building a Tiny Home on Wheels

    The best materials for building a tiny home on wheels are the ones that balance strength,

    A contemporary bathroom featuring a curbless walk-in glass shower with matte black fixtures, gray large-format porcelain tile, a floating oak wood vanity, and a round black-framed mirror

    ADU Bathroom Design Guide

    An ADU bathroom is the full wet-room system inside an accessory dwelling unit, combining plumbing, ventilation,

    A modern Scandinavian-style kitchen with natural oak flat-panel cabinetry, white quartz countertops, stainless steel appliances, and fresh rosemary with a bowl of lemons on an island cutting board beside a sunny window

    ADU Kitchen Design & Layout Guide

    An ADU kitchen is a complete cooking space inside an accessory dwelling unit that includes a

    Copper water service lines and black flexible corrugated conduit laid along an excavated dirt trench beside a poured concrete building foundation wall

    Utility Connection & Sewer/Septic Design for ADUs

    Utility connection and sewer/septic design is the engineering work that ties an accessory dwelling unit into

    A white wall-mounted ductless mini-split air conditioner mounted above a cozy reading nook with a gray armchair, knit blanket, potted fiddle-leaf fig, and large picture window in a bright modern home

    HVAC & Heating Solutions for ADUs

    HVAC and heating solutions for ADUs are the mechanical systems that heat, cool, and ventilate an