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    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

    A detached ADU electrical blueprint laid out on a workshop bench with a digital multimeter, heavy-gauge electrical wiring, circuit breakers, and copper grounding wire overlooking a modern backyard ADU

    Electrical System Design for ADUs

    Electrical system design for ADUs is the engineering and planning process that determines how a second

    Copper and brass plumbing pipe fittings arranged over an ADU plumbing blueprint with a black drafting pencil on a wooden desk

    Plumbing System Design for ADUs

    Plumbing system design for ADUs is the engineered plan that routes water supply, drainage, waste, and

    A modern detached ADU structure under construction in a backyard, showing wall cutaways with vertical wood cladding, exterior mineral wool insulation boards, weather barrier, HVAC ductwork rough-in, and timber framing on a concrete pad

    Insulation Systems & Climate Control for ADUs

    An ADU insulation system is the combined layer of thermal, air, and moisture control that keeps

    A timber house frame with roof trusses under construction on a concrete slab foundation during sunset in a residential backyard

    ADU Structural Framing Methods & Standards

    ADU structural framing is the load-bearing skeleton of an accessory dwelling unit, the system of studs,