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Figure 6-13: Clear Floor Space required in kitchens (C) J Wiley, S Bliss Toilet Installation Procedures & Details: Best Practices

  • TOILET INSTALLATION PROCEDURE - CONTENTS: How to install a toilet: best practices to avoid toilet future toilet flush, leak, or instability problems. A simple step by step procedure for installing a toilet with care to details: checking the toilet base for damage, how to seal and caulk the toilet base, order of assembly of toilet parts . Toilet installation rough-in dimensions, spaces, clearances, specifications
  • POST a QUESTION or READ FAQs about the best way to install a toilet
  • REFERENCES
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Toilet installation: best practices guide:

This article discusses the installation procedure for toilets, detailing best practices that avoid future leaks or toilet problems. We include the rough-in dimensions that show where to locate the toilet and its waste pipe, and we provide warnings about some SNAFUs you can avoid during toilet layout & installation.



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Installation Procedures & Details for Toilets

Figure 6-13: Clear Floor Space required in kitchens (C) J Wiley, S Bliss

This article series discusses current best design practices for kitchens and bathrooms, including layout, clearances, work space, and accessible kitchen and bathroom layout, clearances, turning space, grab bars, controls, etc.

We include advice on choosing and installing kitchen countertops, cabinets, and kitchen or bathroom flooring, sinks, and other plumbing fixtures and fixture controls such as faucets. A list of kitchen and bath product manufactures and sources is included.

As detailed in Chapter 6 of Best Practices Guide to Residential Construction:


Typical toilet dimensions (C) D Friedman Titan
  • The hole in the subfloor cut to fit the toilet waste line should be just a bit larger than the drain. Also, it is best if the toilet sits on top of the finished flooring rather than having a dirt-trapping joint where the finished floor abuts the fixture.
  • Next, install the closet flange and secure it to the subfloor with brass or stainless-steel screws. With vinyl flooring, the flange can sit directly on the subfloor. With tile, use a plywood spacer to raise the flange to the height of the tile.

    To insure longevity, use brass closet bolts, nuts, and washers rather than the plated steel that is often packaged with the toilet.

  • Toilet wax ring installation

    Toilet Leaks and Toilet-Caused Flood Catastrophes You Can Avoid

    Toilet catastrophe (C) D Friedman

    At our toilet home page, TOILET TYPES, CONTROLS, PARTS we discuss the full range of types of toilets available.

    If you are interested in choosing an environmentally friendly toilet tissue, see TOILET TISSUE CHOICES.

    Also see ALTERNATIVE & WATERLESS TOILETS where we list alternative toilet designs to basic water-operated flush toilets.

    Repairing problem toilets are discussed at TOILET REPAIR GUIDE and at TOILET OVERFLOW EMERGENCY. I

    Hidden Toilet Leaks, Sewer Gases, Rot

    Watch out: a loose toilet will leak into the floor structure and if present, the ceiling below, risking costly rot, insect damage, or mold contamination, or odors and sewer gas leaks (see Leaky Toilet Seals - Odors and also see PLUMBING FIXTURE TRAPS and SEWER GAS ODORS).

    But don't over-tighten the toilet base mounting bolts or you risk breaking the toilet.

    Toilet Leak Catastrophes - cracked toilet tank floods home

    Toilet, one piece design (C) Daniel Friedman

    Watch out: be careful not to over-tighten the toilet tank mounting bolts. Doing so may break a porcelain toilet tank immediately, or, as we have observed, an over-tightened toilet tank may suddenly crack years later, flooding the building and leading to costly water damage.

    Our photo at left illustrates just this case: the toilet tank cracked suddenly (no one was at home), several years after the tank had been mounted. Details are at Toilet Leak Catastrophes

    See FLOODS IN buildings-priorities for an explanation of how to prevent mold contamination after building flooding.

    Since two-piece toilet tank mounting hardware will include some thick rubber mounting washers you'll see that you can wiggle the reservoir tank slightly at its mounting point to the toilet bowl after the toilet tank has been secured.

    -- Adapted with permission from Best Practices Guide to Residential Construction.

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    Continue reading at TOILET REPAIR GUIDE or select a topic from closely-related articles below, or see our complete INDEX to RELATED ARTICLES below.

    Or see TOILET DESIGN CHOICES and also CONTEMPORARY TOILET DESIGNS

    Or see BATH & KITCHEN DESIGN GUIDE

    Or see LOOSE TOILET REPAIRS

    Or see these

    Toilet Articles

    Suggested citation for this web page

    TOILET INSTALLATION PROCEDURE at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice.

    INDEX to RELATED ARTICLES: ARTICLE INDEX to ARTICLE INDEX to TOILET INFORMATION

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