Pitch slope the pitch or slope is the incline of the roof expressed as a fraction describing the rise over the run.
Roof tress covers bedroom and porch insulate.
The run or the base number is 12 inches.
Alternatively you can use wire crossed diagonally back and forth between nails to hold it up in place.
The insulation should fit snugly to prevent air from getting through.
If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.
Nail or staple the furring strips between the joists to hold the styrofoam in place.
A pan roof has a less finished look with the pan roof sections either corrugated or creased to add rigidity.
Hello i am looking for some clarification on insulation and air sealing when dealing with room in truss construction for a conditioned space over a garage.
If the cavity between the rafters trusses is filled with insulation and is air tight like the walls you will need a vapour barrier.
The rise will be the elevation change over the 12 inches.
For example a slope of 6 12 means for every 12 inches of horizontal distance the slope of the roof will rise 6 inches vertically.
Cut styrofoam insulation to the correct size and layer it below the fiberglass already in place.
The main question is how to handle the attic space over the porches due to the porches being created by the overhanging roof trusses and since the attic is unvented it is not practical to vent the porch attic.
A roof is designed to be water tight and properly constructed and maintained it will be.
However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.
In either case you will need to follow the general steps below to insulate your garage roof.
Polystyrene core insulated roof panels great for homes cottages rvs and trailers versatile high quality and ready to assemble aluminum patio cover kits for the handy diy homeowner interested in a clean professional looking finished product at a fraction of the cost from a contractor.
The trusses have a 2x10 bottom chord and 2x8 top chords with 2x4 s at the kneewall.
Large foam insulation sheets can be nailed directly against the floor above or held in place by chicken wire or other metal elements with the facing against the underfloor.
The roof is truss built and the area over the conditioned space will be an unvented conditioned attic insulated with spray foam.
I live in michigan climate zone 5.
They make the roof panels 3 to 6 inches thick not just at the edges where the fascia on a pan roof may be that tall but all across the panels.
A roof does get hotter than the walls in the summer but doesn t matter at least in colder climates.