That means that the local weather conditions differ from place to place, including how high the wind speeds can reach. is a sizeable country with a diverse range of climates and weather patterns. For example, the anchors and stabilizing systems for a Zone I home should be able to resist 1.5 times the wind load as the structure of the home.Īs you probably know, the U.S. Stronger than average winds or storms for a specific zone are compensated for by taking the wind load limits in § 3280.305 and multiplying them by a constant factor. Ties should be weather resistant according to the local conditions.Anchors and stabilizers should be certified per the testing procedures in ASTM D3953-97 by a registered engineer.Ground anchors should be embedded below the frost line.It also provides guidelines and information on how these systems should function, for example: This means that, depending on what mobile home you have, you may have to prepare and set it up yourself.
#ZONE 2 MOBILE HOME WIND RATING HOW TO#
Be aware that your home might come with instructions on how to properly install and use these anchoring systems. These systems are meant to protect your home from being flipped or overturned in adverse weather. This section deals with the anchoring systems and foundations of mobile homes. “Each manufactured home shall have provisions for support/anchoring or foundation systems that, when properly designed and installed, will resist overturning and lateral movement (sliding) of the manufactured home as imposed by the respective design loads.” In general, this section is less informative than the former, but is still important: If you live in any extreme conditions, you should check with your local housing authorities whether you will be subject to any additional requirements. It targets explicitly mountainous regions for snowfall and wind.
#ZONE 2 MOBILE HOME WIND RATING CODE#
Lastly, as not all areas have exactly the same conditions, the HUD Code makes provision for local departments to set even more stringent standards or requirements. However, Zone 3 homes can be placed in Zone 1 and 2 areas and Zone 2 homes can go in Zone 1 areas. The document makes clear that homes built for lower zones cannot reside in higher zones. However, there are many other requirements for different parts or fixtures of the home, such as eaves. Zone 2 and Zone 3 homes should be able to resist a horizontal drag load of 39 and 47 psf and an uplift load of 27 and 32 psf, respectively. In § 3280.305(c)(1)(ii)(B), there is a comprehensive table listing all the requirements. Zone 3 homes should be able to resist winds of up to 110 mph. Homes built for Wind Zone 2 should be able to withstand winds up to 100 mph. Things get a bit more complicated for Wind Zones 2 and 3. This translates to about 70mph in basic wind speeds. Homes built for Zone 1 should be able to resist horizontal wind loads of no less than 15 psf and upward roof lifting loads of no less than 9 psf. In § 3280.305(c) it goes into further detail of what the requirements are for each zone. “Each manufactured home shall be designed and constructed as a completely integrated structure capable of sustaining the design load requirements of this standard, and shall be capable of transmitting these loads to stabilizing devices without exceeding the allowable stresses or deflections.” The goal of this section can be summarized in the first sentence: § 3280.305 Structural design requirements: This also means that older mobile homes cannot meet current zoning standards. Homes built before that date cannot be made HUD-compliant. The HUD Code was brought into effect in 1976. In this document, almost two entire sections are dedicated to the requirements for mobile homes when it comes to wind.
Hopefully, you know by now that the Manufactured Home Construction and Safety Standards at CFR 3280 (or, the HUD Code ) needs to be the first thing you refer to when dealing with your home’s construction safety. What does the HUD code have to say about it?
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