Best Practices - Codes, Regulations, & Standards

Codes, Regulations, & Standards

Information and resources about building regulations, codes, and standards for residential construction.

Design & Construction Guides

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Guides for designing and building various types of construction

Guide for the Implementation of PL 102-522 for Fire Alarm and Automatic Sprinkler Installations

Guideline on Fire Ratings of Archaic Materials and Assemblies

Prevent Electrocutions: Install Ground-Fault Circuit-Interrupter Protection for Pools, Spas, and Hot Tubs

Best Practices

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General recommendations and accepted practices

A Survey of Public Officials and Developers in the Nation's Fastest Growing Single Family Housing Markets

Electronic Permitting Systems and How to Implement Them

Getting Building Technology Accepted

Residential Building Diagnostic Tools

Wire Slab Reinforcement

Performance Reports & Case Studies

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Evaluation of how products and systems perform in real life applications

Barriers to the Installation of Residential Fire Sprinklers Project Report and Case Studies This project identified and evaluated barriers to the installation of residential fire sprinklers, including both cost and acceptance issues.

Fire-Safe Adaptable Demonstration House Case Study This report describes the results of a case study involving the construction and evaluation of a fire-safe adaptable demonstration house in the NAHB National Research Home Park in Prince George’s County, Maryland.

Sound Transmission Class (STC) or Impact Insulation Class (IIC) rating This document is a catalog of sound-rated wall and floor/ceiling assemblies.

Stair Safety: A Review of the Literature and Data Concerning Stair Geometry and Other Characteristics This report assesses stair safety, specifically the role of riser and tread dimensions in accidental falls on residential stairways.

Questions & Answers

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Frequently asked questions, answered by home building professionals

Are there any standards for low-voltage wiring, such as structured wiring, security, central vacuum, audio, and video?

Are there federal tax credits available to home builders for energy efficient homes?

As a code official, where can I get trained on the design and inspection of steel homes? Are there any inspection checklists that I can use?

Can 2x8 floor joists spaced at 16 inches span 16 feet?

Can I-joists be notched?

Does the new energy code allow for insulated crawlspaces?

How are stairs to an unfinished basement calculated in the square footage of a house?

How do I know if the structure of a one-story home is adequate to support an additional story?

How do I know which code is enforced in my area?

How large should the water supply line be to a house with 3½ baths and an outdoor sprinkler system?

How much can a wall support if it’s framed with 2x4 wood studs spaced at 16 inches on center?

I am building in an area in which there are no housing inspectors. Should I follow a building code? If so, why?

I want to build a home with a loft with a 12/12 pitch roof on it, but am unsure of the roof-ceiling detail. It is about 30 ft. wide by 60 ft. long with 12-ft. 2x6 stud walls. I also want to maximize the headroom upstairs and put a flat ceiling across the entire length of the room. What material do I need to use for the rafters?

I would like some information on building with plywood box beams. Are they accepted by the building code? What is the load-bearing capability of box beams?

In which regions of the United States are houses required to be designed for earthquake loads?

In which regions of the United States are houses required to be engineered to resist high wind loads?

Is it possible to use the same set of plans that were used for a home in North Carolina, to design and build a home in Oregon?

Is there a code regarding how far a permanent structure must be from the property line?

The inspector told me that CSST pipe must be electrically grounded. Since it's coated, I don't know how you can do that. Is the inspector right?

We are remodeling a house with two 4x4 posts that extend through the deck to the roof. We are planning to remove the deck and need someone who can analyze the trusses to determine if the posts are required to hold the roof or only the deck. Do you have any contact information for someone who can help me do this?

We’ve been hearing about the importance of crawlspace encapsulation systems and customers are asking about it. It is against code to cover vents in our region. Is it necessary to vent crawlspaces in the Pacific Northwest and if so, why?

What are the Sound Transmission Class (STC) ratings for concrete and masonry walls?

What is an acceptable deviation tolerance of levelness of a floor?

What is the HUD Code?

What is the maximum hole that can be drilled in 2x4 studs in load bearing walls for wiring or plumbing?

What is the purpose of lateral wall bracing and what is the minimum width of braced wall panels?

What kind of permits or inspections, if any, do I need if I'm interesting in building a free-standing deck on the rear of my property approximately 40 yards from my home? The deck will be approximately 120 sq. ft., single level, and 24 to 36 inches high. The property is in Wake County, NC, but outside any town or city limits.

What type of fastener should I use when connecting metal fasteners to the new ACQ lumber?

Where can I find standards for construction?

Where can I get the most recent set of seismic building codes for residential construction?

Web Links

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Recommended Web resources for additional information

American Architectural Manufacturers Association (AAMA) The American Architectural Manufacturers Association is the source of performance standards, product certification and educational programs for the fenestration industry. Whether you're a manufacturer, architect, builder or homeowner, you're sure to find information of special interest to you.

American Wood Council (AWC) AWC offers technical information, publications, software, and codes and standards to assist in wood construction and design.

ASTM International ASTM International is one of the largest voluntary standards development organizations in the world. A trusted source for technical standards for materials, products, systems, and services, ASTM is known for their high technical quality and market relevancy.

Building and Fire Research Laboratory (BFRL) The Building and Fire Research Laboratory at NIST studies building materials; computer-integrated construction practices; fire science and fire safety engineering; and structural, mechanical, and environmental engineering. Products of their research include measurements and test methods, performance criteria, and technical data that supports innovations by industry and are incorporated into building and fire standards and codes.

Building Codes Assistance Project (BCAP) BCAP provides states with code advocacy assistance on behalf of the U.S. Department of Energy.

Building Energy Codes Program DOE's Building Energy Codes Program is an information resource on national model energy codes. Working with other government agencies, state and local jurisdictions, national code organizations, and industry, the program promotes stronger building energy codes and helps states adopt, implement, and enforce those codes.

CCHRC - Cold Climate Housing Research Center The Cold Climate Housing Research Center (CCHRC) was created to facilitate the development, use, and testing of energy efficient, durable, healthy, and cost effective building technologies for Alaska and the world's cold climate regions.

Climatic Data for Frost Protected Shallow Foundations This website provides U.S. builders, designers, and code officials with the air freezing index (AFI) data necessary to employ Frost Protected Shallow Foundation (FPSF) technology.

CodeWatch This e-newsletter, produced by the publisher of EC&M magazine, has news and information about the National Electrical Code (NEC).

Construction Industry Compliance Assistance Center (CICA) Here you will find plain language explanations of environmental rules for the construction industry. Also provided are links to detailed information, including state regulations and other resources.

Consumer Product Safety Commission: Fire Safety Publications Documents on fire prevention tips.

Fire Safety Articles and discussion forums about fire safety, with the goal of reducing human and economic losses due to fire and related emergencies.

ICC Evaluation Service ICC-ES is a nonprofit, public-benefit corporation that does technical evaluations of building products, components, methods, and materials.

Institute of Scrap Recycling Industries, Inc. The Institute of Scrap Recycling Industries, Inc. (ISRI) is the trade association of the scrap processing and recycling industry. This site has information about the association, and also industry information such as market data, statistics, and brochures.

Institute of Transportation Engineers Publications focusing on traditional neighborhood design and circulation patterns, including street space, connectivity, emergency access, parking, safety, and geometric design.

International Code Council The Building Officials and Code Administrators International, Inc. (BOCA), International Conference of Building Officials (ICBO), and Southern Building Code Congress International, Inc. (SBCCI) founded in 1994 the International Code Council, and currently develop the International Codes without regional limitations.

Lead Safe U.S.A. The National Association of the Remodeling Industry (NARI) offers information about the dangers of lead-based paint and dust during the remodeling process.

Manufactured Housing Consensus Committee The Manufactured Housing Consensus Committee was created by the Manufactured Housing Improvement Act of 2000 and is administered by the NFPA. The committee works to provide recommendations to the HUD Secretary to develop, maintain and revise as necessary, the Federal Manufactured Home Construction and Safety Standards, and the related procedural and enforcement regulations.

Municipal Code Corporation MCC is a publisher of local government Codes of Ordinances. Search their State listing of Online Codes, or find out more about other services they offer.

National Fire Protection Association (NFPA) The mission of the NFPA is to reduce fire and other hazards by providing and advocating scientifically-based consensus codes and standards, research, training and education.

National Institute of Certified Floor Covering Inspectors (NICFI) NICFI is a non-profit organization whose members are professionally trained and certified to investigate the cause of floor covering failures. They also provide consulting services before, during, and after the installation of floor covering.

Occupational Safety & Health Administration (OSHA) Search for information on OSHA's programs, events, resources and more.

Occupational Safety and Health Administration OSHA Main Page. Link to information on programs, offices, state plans, manuals, construction safety, regulations, compliance, standards and more.

Office of Healthy Homes and Lead Hazard Control The Office advises HUD program offices and field offices on lead poisoning prevention issues, and is committed to the goal of providing lead-safe housing to the Nation's children while preserving affordable housing.

Office of Pollution Prevention and Toxics OPPT has the responsibility for assuring that chemicals made available for sale and use in the United States do not pose any adverse risks to human health or to the environment, and promotes pollution prevention as the guiding principle for controlling industrial pollution.

Online Code Environment & Advocacy Network (OCEAN) An interactive, Web-based resource designed to share lessons learned, best practices, educational resources and key facts as they relate to building energy code adoption and implementation.

OSHA Assistance for the Residential Construction Industry Many OSHA standards apply to residential construction for the prevention of possible fatalities. This page provides information about those standards, and the hazards present in residential construction.

OSHA Lead Information Lead overexposure is a leading cause of workplace illness. Therefore, OSHA has established the reduction of lead exposure to be a high strategic priority.

OSHA Publications Download an electronic document, or order a publication, or borrow a video from OSHA.

Regulatory Barriers Clearinghouse The U.S. HUD Regulatory Barriers Clearinghouse (RBC) was created to support state and local governments and other organizations seeking information about laws, regulations, and policies affecting the development, maintenance, improvement, availability, and cost of affordable housing.

Society of Fire Protection Engineers (SFPE) SFPE promotes the education and training of: analysis of fire hazards; mitigation of fire damage by proper design, construction , arrangement, and use of buildings, materials, structures, industrial processes, and transportation systems; the design, installation and maintenance of fire detection and suppression and communication systems; and post/fire investigation and analysis.

Southern Pine Span Tables A convenient reference for joist and rafter spans for specific grades of Southern Pine lumber.

Structural Engineers Association - International SEA International is owned and operated by Structural Engineers Association of Southern California, a non-profit organization dedicated to the promotion of communication among engineers.

Structural Stability Research Council The Structural Stability Research Council offers guidance to specification writers and practicing engineers by developing both simplified and refined calculation procedures for the solution of stability problems and assessing the limitations of these procedures.

The Manufactured Housing Program at HUD The Manufactured Housing Program is a national HUD program established to protect the health and safety of the owners of manufactured (mobile) homes. Many resources for consumers and professionals.

Tile Council of America (TCA) The Tile Council of America is dedicated to expanding the market for ceramic tile manufactured in the U.S.A. They offer tile testing, publications, and trade news.

U.S. Consumer Product Safety Commission CPSC is an Independent Federal Regulatory Agency, working to save lives and keep families safe by developing voluntary standards with industry, listing product recalls, conducting research on potential product hazards, & informing and educating consumers

U.S. F.S. Forest Products Laboratory The Forest Products Laboratory (FPL) serves the public as the nation's leading wood research institute. Research concentrates on pulp and paper products, housing and structural uses of wood, wood preservation, wood and fungi identification, and finishing and restoration of wood products.

U.S. Fire Administration As an entity of the Federal Emergency Management Agency, the mission of the USFA is to reduce life and economic losses due to fire and related emergencies, through leadership, advocacy, coordination, and support.

U.S. Fire Administration - Fire Safety and Education Through partnerships and special initiatives, USFA involves the fire service, the media, other Federal agencies, and safety interest groups in the development and delivery of fire safety awareness and education programs.

Underwriters Laboratory, Inc. Underwriters Laboratories Inc. (UL) is an independent, not-for-profit product safety testing and certification organization. Look up standards, certifications, and more about product safety.

WWPA - Western Wood Products Association WWPA offers technical guides, business and marketing services, and buyers' guides pertaining to lumber produced in the Western United States.

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Information and resources about building regulations, codes, and standards for residential construction.