Air gap 25mm.
Rafter trays roofs.
While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.
The rafter tray prevents insulation material from blocking the ventilation path whilst ventilating the roof space and acting as an integral insect screen.
The boards creating the slope of the roof are wider than lumber used to build trusses 2x8s 2x10s and 2x12s are most common in rafters vs.
Raft r mate attic rafter vents create a space between each rafter for air to.
If insulation is allowed to bunch against the inside slope of the roof between the rafters air will be blocked before it can traverse the attic.
In finished space insulation is placed between the rafter boards and drywall or other material is fastened to the face.
Refurbishment rafter trays the harcon refurbishment rafter tray is designed to be easily retro fitted.
Even better is that it is simple and quick to install.
Warm roof rafter trays flyscreen rafter trays.
Rafter boards are fastened to the ridge board at the peak and the top plate where they join the wall.
Designed to allow easy retro fitting refurbishment rafter trays are pushed into place from inside the void.
Can accommodate a wide range of roof pitches.
Insulation is then installed and they provide 25mm of continuous ventilation.
The tray is pushed into place from inside the void insulation is then installed.
Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.
Refurbishment rafter tray.