Structural Drying >> Roof Leak Diverter

Focus on high value items that were not water impacted and items that have special significance. If an entire item cannot be saved, consider parts that could be saved. For example, if a family heirloom such as an antique chest cannot be saved, consider saving the non-porous handles Roof Leak Diverter or hinges for use on a replacement piece.

Porous items that were not water logged or moldy should be the second priority. Non-porous items such as glassware, silverware, Roof Leak Diverter and plastic furniture that need to be cleaned should be separated. (Note: Contaminated items should be cleaned on site if possible. Transporting wet/contaminated items presents the risk of cross contamination of the vehicle and location where the item is moved.)

Be aware of termites. If a termite infestation is found, consult a professional exterminator. When discarding or salvaging wood, paper, Roof Leak Diverter and other cellulose, protect your property and keep Formosan subterranean termites from spreading. For additional information, refer to the Louisiana Ag Center. Facilitate restoration Do what you can to salvage the contents on the property.

See American Red Cross, Repairing Your Flooded Home, Roof Leak Diverter,1082,0_570_,00.html Get help The following resources may be useful in providing technical support during your recovery from a flooding event: -American Red Cross ( -FEMA ( -Association of Specialists in Cleaning & Restoration ( -

Louisiana State University AgCenter - Cooperative Extension Service Roof Leak Diverter ( -National Association of Home Builders ( -National Association of the Remodeling Industry (

The following resources may be useful in providing financial and/or Roof Leak Diverter psychological support during your recovery from a flooding event: -American Red Cross ( -Salvation Army ( -FEMA ( -Small Business Administration (

State/local health departments - such as the North Carolina Department of Health and Human Services ( [end of Recovery Advisory] Attachment of Brick Veneer in High-Wind Regions Hurricane Katrina Recovery Advisory FEMA December 2005 Purpose: To Roof Leak Diverter recommend practices for installing brick veneer that will enhance wind resistance in high-wind areas. 

Key Issues Brick veneer is frequently blown off walls of residential and commercial buildings (Figure 1). When brick veneer fails, Roof Leak Diverter wind-driven water can enter and damage buildings, and building occupants can be vulnerable to injury from windborne debris (particularly if walls are sheathed with plastic foam insulation or wood fiberboard in lieu of wood panels). 

Pedestrians in the vicinity of damaged walls can also be vulnerable to injury from falling veneer (Figure 2). Figure 1. Failed brick veneer. Plastic foam wall sheathing Roof Leak Diverter was installed over the wood studs (plywood was temporarily installed after the brick failure). Figure 2. The upper portion of the brick veneer at this apartment building collapsed. 

Pedestrian and vehicular traffic in the vicinity of the damaged wall were vulnerable to injury and damage if remaining portions of the wall were to collapse during subsequent storms. Common failure modes include tie (anchor) fastener pull-out (Figure 3), failure of masons to embed ties into the mortar (Figure 4), Roof Leak Diverter poor bonding between ties and mortar and mortar of poor quality (Figure 5), and tie corrosion (Figure 6). Figure 3. 

This tie remained embedded in the mortar joint while the smooth-shank nail pulled from the stud. Figure 4. These four ties were never embedded into the mortar joint. Figure 5. This tie was embedded in the mortar, Roof Leak Diverter but the bond was poor. Figure 6. There were several ties in this portion of the wall, but they failed due to severe corrosion.

Ties are often installed before brick laying begins. When this is done, ties are often improperly placed above or below the mortar joints. When misaligned, the ties must be angled up Roof Leak Diverter or down in order for the ties to be embedded into the mortar joints (Figure 7). Misalignment not only reduces embedment depth but also reduces the effectiveness of the ties because wind forces do not act parallel to the ties themselves. Figure 7. 

Misalignment of the tie reduces the embedment and promotes veneer failure. Corrugated ties typically used in residential veneer construction provide little resistance to compressive loads. Use of compression struts would likely be beneficial, Roof Leak Diverter but off-the-shelf devices do not currently exist. Two-piece adjustable ties (Figure 8) provide significantly greater compressive strength than corrugated ties. Figure 8. 

Examples of two-piece adjustable ties, one showing base and vee anchor and the other showing eye Roof Leak Diverter and pintle anchor. Many buildings that exhibited damaged veneer were not in compliance with current building codes. Building code requirements for brick veneer have changed over the years. Model codes prior to 1995 permitted brick veneer in any location, with no wind speed restrictions. 

Wall area per tie in some model codes was greater than the current maximum. The current masonry code referenced in model building codes, Roof Leak Diverter Building Code Requirements for Masonry Structures, ACI 530/ASCE 5/TMS 402 (ACI 530) addresses brick veneer in two manners: rational design and prescriptive requirements. 

Essentially all brick veneer in residential Roof Leak Diverter and low-rise construction follows the prescriptive requirements. The first edition of American Concrete Institute's (ACI's) 530 limited the use of prescriptive design to areas with a basic wind speed of 110 mph or less. The 2005 edition of ACI 530 extended the prescriptive requirements to include a basic wind speed of 130 mph, with lower area per tie limits. 

In locations with a basic wind speed above 130 mph, Roof Leak Diverter the rational design approach must be used. Compliance with ACI 530-05 should reduce wind damage. The following Brick Industry Association (BIA) Technical Notes provide guidance on brick veneer: Technical Notes 28 Anchored Brick Veneer, Wood Frame Construction, Technical Notes 28B  

Brick Veneer/Steel Stud Walls, and Technical Notes 44B Wall Ties (available online at These Technical Notes provide attachment recommendations, but the recommendations are not specific for high-wind regions and are, Roof Leak Diverter therefore, inadequate.The brick veneer wall system is complex in its behavior. 

There are limited test data on which to draw. The following guidance is based on professional judgment, Roof Leak Diverter wind loads specified in ASCE 7-02 "Design Loads for Buildings and Other Structures," fastener strengths specified in the American Forest and Paper Association's (AF&PA's) National Design Specification for Wood Construction, and brick veneer standards contained in ACI 530-


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