Manufacturer's data sheets on each material to be used in firestop system systems, including:. Impale duct wrap insulation over pins and secure with speed clips. After the tape is stuck to the duct, the other piece of release paper is removed and the tape is flared out onto the sheathing. In a finished room environment, most designers will conceal these items from the view of the building occupants. It does not stop there, however. Once within an enclosure, the electrical, plumbing or mechanical items often transition between vertical and horizontal runs. Install so that openings are completely filled and material is securely adhered.
Best Practices Manual
This can cause gaps or voids to develop within a firestop system, allowing fire and smoke to pass through unchecked. Manufacturer's data sheets on each material to be used in firestop system systems, including:. Article and photos by Gregory Havel Building and fire codes require the construction of some interior walls and floor-ceiling assemblies to resist the passage of fire for a certain length of time, usually expressed in hours. So if the space between the duct and the opening is 1 inch, a 2- x 2-inch angle would be required. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. Podcast Episode — Inches and Feet.
SECTION 23 07 13 HVAC FIRE RATED DUCT INSULATION
Podcast Episode — Inches and Feet. After installation is complete, remove combustible forming materials and accessories that are not part of the listed system. Fire resistive duct wrap insulation to be continuous through wall or floor penetrations. The right materials and details are a start. Attach furring for rain screen. Also, many of the larger firestopping manufacturers have highly qualified technical personnel who can explain the subtle nuances of firestopping, as well as skilled field personnel who can conduct more specific training. Conclusion The evolution of firestopping has led to significant improvements over traditional methods.
Ventilation Air Ducts 1 and 2 hr. Install fire resistive duct wrap insulation in direct contact with ductwork to Manufacturer's instructions and referenced standards, including Listed penetration firestop system. Each of the four wall assemblies are constructed to meet the aforementioned fire-resistance ratings. The next step is to install firestop sealant to the appropriate depth. Provide products that are listed by at least one the following:. Provide products that after curing do not deteriorate when exposed to those conditions during and after construction. Many additional designs are now available to cover various other permutations where steel ducts are insulated with light-density glass fiber duct wrap.