Self Closing Roof Vents

When a wildfire nears and the vent reaches the critical temperature the intumescent coating on the matrix structure expands creating an insulating barrier from fire and embers.

Self closing roof vents.

Large flanges and snap in designs in. They let moisture and hot air exit the attic but they aren t nearly as effective as other types of roof vents and homes generally need to have several of these units for the best results. Plastic oddities mv34 roof vent cap helps keep out leaves debris flying insects animals used on roof vents portable toilet vents fits 3 or 4 pipe bolts onto pipe by plastic oddities 9 88 9. An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives.

More product details close. Following manufacturer s instructions for securing the vent the roofer will likely spread plastic roof cement on the underside of the vent place it over the hole slip the flange under the top side shingles and lay the flange over the down slope shingles. One of the outstanding features of our fire rated vents is the self closing function which activates when the vent is exposed to fire. As seen on this old house vulcan vents are designed to be fire and ember safe.

Use with all attic power gable mount vents except solar powered vents moving air opens the louvers only when the power vent is operating when vent is off shutter helps prevent infiltration of rain snow insects etc. Power gable vent shutter is designed to be used with master flow egv pg series electric gable fans. Power gable vent shutter is automatic 20 in. Select models feature designs that circulate and remove air extending the lifetime of interior hvac systems and preventing potential malfunctions.

The vanes are factory set to automatically open fully at 70 f and close fully at 40 f. These include grilles roof vents and dryer draft blockers. Replacement vent caps and other vent supplies are easy to install without requiring heavy machinery. Unlike box vents which are square off ridge vents are usually much longer and thinner.

Maintenance free white aluminum construction can be painted if desired. The vents include a mesh covered with a proprietary coating that expands when exposed to fires thus closing the cells and stopping fire or ember penetration. These vents are static vents that are placed over holes in the roof close to the roof ridge. The master flow 16 in.

The patented design of the vulcan vents has many key features. Resin automatic foundation vent in black helps to reduce moisture and helps prevent decay in your foundation with a net free vent area of 57 sq.