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Alki Lumber and Hardware |
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FOUNDED 1921 |
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Dricon
Fire Retardant Lumber, Fire Retardant Plywood
Dricon® fire retardant treated (FRT) wood is an effective and economical material for reducing the effects of fire. Building code organizations and other construction-related agencies recognize it as an alternative to materials classified as noncombustible for a range of applications.
Introduced in 1981, Dricon FRT wood is a development of
Arch Wood Protection intended for weather-protected applications. Since
that introduction, Dricon FRT wood has proven itself in countless
structures of many different types, from neighborhood schools to a
maintenance building in Antarctica.
This treated wood contains a superior fire retardant chemical that remains
stable in high temperature environments and does not increase the
corrosivity of metal hardware in contact with the wood.
Dricon FRT wood provides greater design latitude for Architect, engineer
and contractor, and removes many barriers associated with conventional
noncombustible materials such as masonry and steel. The use of Dricon FRT
wood can result in greater safety, reduced insurance rates, and easing of
building code limitations.
Dricon fire retardant chemical is formulated at one chemical manufacturing
facility by trained chemical operators who recognize the importance of
proper chemical composition. Each batch of Dricon FR chemical is inspected
and tested to be sure it adheres to the specifications of Arch Wood
Protection and Underwriters Laboratories. UL lists Dricon fire retardant
as a recognized fire retardant chemical, indicating its suitability for
use in fire retardant applications other than wood.
The chemical is purchased by a select group of quality-minded licensees
who pressure treat wood to the prescribed requirements of Arch, Timber
Products Inspection, and Underwriters Laboratories.
For information on fire retardant treated wood for exterior uses, visit
www.frxwood.com.
Dricon fire retardant or Dricon FRT wood complies with or has been granted the following:
 | AWPA C20, C27, C31 |
| AWPA P17 (FR-1), P5 |
| AWPA UC1, UC2, UCFA |
| FR-S for lumber and plywood |
| NER-303 (BOCA, SBCCI) |
| ICBO ER-5755 |
| NFPA 703 |
| EPA registration (62190-9) |
| UL Building Materials Directory |
| UL Recognized Component |
| NYC MEA 199-81-M |
| NYC MEA 200-81-M |
| Factory Mutual Class I Roof Deck |
| City of Los Angeles (RR 25122) |
| FHA Minimum Property Standard #2600 |
| HUD Materials Release (1261) |
| ASTM D 5516 & D 5564 |
| MIL-L-19140 |
| Qualified Products List |
(All are subject to revision, re-examination)
How
It Works - Passive Protection
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An important feature of Dricon FRT wood is that it reacts
automatically when exposed to fire. Dricon chemicals react with
combustible gases and tars normally generated by untreated wood and
converts them to carbon char and harmless carbon dioxide and water.
Wood loses strength in a fire only at the rate at which its cross
section is reduced. The surface char acts to insulate underlying
wood and reduces the rate at which the cross sectional area is
reduced. The carbon dioxide and water vapor dilute the combustible
gases to help reduce flame spread.
Preservative protection comes from the borate ingredient of the fire
retardant solution. It renders the wood useless as a food source for
termites and fungal decay, thereby avoiding damage caused by these
organisms.