Another key advantage of specifying a pitched roof is the ability to provide a very high level of thermal performance in these roof types whether you re looking to insulate at joist ceiling level for a cold pitched roof or at rafter level if a living area within a warm roof construction is desired.
Low pitched roof insulation.
Although there s some sparsely distributed insulation in the space between the ceilings and the roof deck it won t meet current recommendations for dymond s climate zone 4 house.
And made airtight using t.
Currently the built up asphalt roof is installed over homasote or something similar and a roof deck made of wood planks.
Dual purpose structural deck and insulating planks.
Lightweight insulating concrete lwic.
This will depend on the construction on your roof and if it is a refurbishment whether the roof tiles are going to be removed.
With summer approaching and temperatures rising now would be the perfect time to consider adding some insulation to your roof which is a part of the construction under the direct influence of the weather conditions read steaming sun rays that can be ruthless when the summer season is at its peak.
Five ways to insulate an unvented low slope roof.
The manual of low slope roof systems has a great section explaining the importance of using smaller insulation boards to improve dimensional stability.
The main decision to make when insulating a pitched roof is if you are going to have a warm roof or a cold roof.
Whatever method is used the amounts of insulation must achieve r values mandated by local codes.
Of the various methods to insulate a shallow roof applying insulation to the exterior is easier than working in a space with limited access.
For example the national roofing contractors association nrca recommends using rigid insulation boards that are 2 x4 to reduce stress on roof membranes.
This video shows you how to use knauf insulation glass mineral wool gmw with ecose technology applied between and below rafters.
Or sprayed polyurethane foam spf.
Pitched roofs are a common sight in the uk owing to their versatility and typical low maintenance requirements when compared to other forms of roof construction.