See one of the many tests that proves Mesh Screening of any size is insufficient for preventing flame and ember intrusion:
http://www2.bfrl.nist.gov/userpages/wmell/PUBLIC/TALKS/FY07/manzello_firebrands_vents_INTERFLAM-2007.pdf

Brandguard Vents is already certified and used as ignition resistant building material in the most progressive Shelter -in-Place Community of Rancho Santa Fe:
http://www.cnn.com/2007/LIVING/homestyle/10/31/fireproof.ap/index.html

Leading authorities agree that standard vents create a pathway for flame and embers to enter the structure:
http://www.universityofcalifornia.edu/news/article/16667
29 Jan 08

12/13/07-FIRE ENGINEERING MAGAZINE article about Brandguard Vents
www.fireengineering.com/display_article/314485/25/ONART/none/CAPN/Newly-designed-attic-vent-prevents-wildfire-embers-from-entering-hom
15 Dec 07

What You Need To Know About California’s New Building Codes

Chapter 7a- while there is an option below for vents to have 1/4 inch mesh, our testing showed this did MINIMAL IF ANYTHING to prevent fire embers
and direct flame from entering the attic.  Our Vent clearly outperformed the mesh option.
704A.2.1 General. When required by Chapter 15, roof and attic vents shall resist the intrusion of flame and embers into the attic area of the structure, or
shall be protected by corrosion resistant, non-combustible wire mesh with ¼ inch (6 mm) openings or its equivalent.
704A.2.2 Eave or Cornice Vents. Vents shall not be installed in eaves and cornices.
Exception: Eave and cornice vents may be used provided they resist the intrusion of flame and burning embers into the attic area of the structure.
704A.2.3 Eave Protection. Eaves and soffits shall meet the requirements of SFM 12-7A-3 or shall be protected by ignition-resistant materials or
noncombustible construction on the exposed underside.

URBAN WILDLAND INTERFACE AREA is an geographical area identified by the state as a “Fire Hazard Severity Zone” in accordance with the
Public Resources Code Sections 4201-4204 and Government code sections 51175-51189, or other areas designated by the enforcing agency to be at a
significant risk from wildfires.“By building a home in a way that reduces Ember Intrusion, we can reduce the main cause of home loss in these Wildland
Urban Interface Areas”

2007 FIRE HAZARD SEVERITY ZONES are geographical areas designated pursuant to California Public Resources Codes, sections 4201-4204 and
classified as Very High, High, or Moderate in State Responsibility Areas or as Local Agency Very High Fire Hazard Severity Zones, designated pursuant
to California Government Code Section 51175 through 51189. See California Fire Code Article 86.
The California Code of Regulations, Title 14, Section 1280, entitles the maps of these geographical areas as “Maps of the Fire Hazard Severity Zones in
the State Responsibility area of California”
DETAILED MAPS BY COUNTY CAN BE PROVIDED UPON REQUEST
17 Jul 07

Anticipating Disaster
Jim Miller of the Sacramento Bureau writes, “Anticipating Disaster“. The majority of the article is about the updating of topographical maps to identify
fire risk up to 30 years into the future. There is also mention of the new codes that will be in place. CDF Batallion Chief, Ethan Foote talks about the
“chicken-and-egg” problem of not having the a product available which is required under the new codes. By having a deadline it helps to be able to have
the time to develop the product as well as properly test product.
19 Apr 07

Improving our web presence!
We have just began updating our web presence. We hope you enjoy the new design. We feel that we have a unique product that stands up to rigorous tests
we have put it through in order to help protect your home in the case of a forest fire.
16 Apr 07