Vertical ventilation props built with 2x6 and 2x4 s roofing material and shingles.
Flat roof ventilation prop.
Ventilation props both the one and two story have the capability for vertical ventilation.
The objective of this prop is to effectively train firefighters to.
Removal of excess heat and moisture will help the life of the roof and will help the functionality and efficiency of the hvac systems.
There are two types of flat roof systems warm and cold roofs which affect the positioning of the ventilation.
2 person vent op for walkable pitched roof.
The one story structure has both pitched and flat roof sections to all training on a variety of rooftop operations.
The prop has drop in brackets for 2x material you can use 2x4 all the way up to 2x12 to give the feel of hitting the rafter with the saw.
The replacement of rafters can be done quickly without removing the top plywood or shingles with 8in on center spacing.
German township fire department evansville vertical ventilation drill.
Ventilation is crucial to these areas as they affect the building as a whole both inside and out.
The prop is completly adjustable via a hydralic cylinder.
The frames of the props are made with doubled up 2 10 s.
Prop w sheet rock addition and smoke.
Vertical ventilation props built with 2x6 and 2x4 s roofing material and shingles.
Can be placed on a drill tower flat wall or in a parking lot.
The roof prop simulates different roof pitches and is multi locational and functional.
The two story residential structure has an 8 12 pitch roof and can also be used for an aerial tip cut.
If you are talking about a flat roof my answer to you is the same as the answer i gave h.
The joists are made with 2 6 s with 2 4 s on top attached to the 2 10 frame with joist hangers.
Your two best options are spray foam insulation on the underside of the roof sheathing an installation which will require the ceiling to be removed at least partially or the installation of rigid foam on top of the existing sheathing.
When thermal insulation is placed below the deck the ventilation must also be on the underside.
Flat roof ventilation is achieved by creating air changes to the attic or plenum.
