All you need to add is timber.
Insulation detail for pitched roof.
Introducing a stone wool roofing insulation and coverboard in one.
Insulating a loft or attic wall in pitched roof space.
Our second pitched roof insulation solution in the series is suitable for smaller rafters of 100mm of less the solution starts off with a layer of superfoil s high performance sf40 insulation installed across the underside of your rafters with a cross batten to hold it in place.
By including a layer of stone wool insulation within your roof system your building will benefit in more ways than one.
Good roof insulation is essential to ensure a building not only complies with building regulations but also achieves the desired thermal performance to ensure the comfort of its residents and energy efficiency of the building.
Insulating at ceiling level provides the most cost effective insulation solution in terms of ratio of cost to energy saved.
Very low u values can be easily and economically achieved.
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.
The easiest way to increase the value of your roof assembly is to insulate the insulation with a hybrid roof system.
Warm pitched roof to create a warm pitched roof insulation such as kingspan kooltherm k7 pitched roof board should be fitted between and over the rafters.
This video shows you how to use knauf insulation rock mineral wool rmw for sarking insulation installed above rafters and covered with homeseal lds weather.
Download our solutions guide download our pitched roofs ceiling level pdf learn more about fire protection of a refurbished loft floor.
This month s solutions will focus on pitched roof insulation to achieve a u value of 0 18.
Ventilation openings should prevent the entry of birds etc.
As this requires fitting insulation above the rafters the roof covering will have to be removed in order to fit the insulation.
Ventilation vapour control and insulation to provide adequate ventilation and to avoid condensation in roof voids pitched roofs that have insulation at ceiling level should be ventilated to the outside air.
Final thing you should pay attention to when adding pitched roof insulation is the quality of the chosen insulation material through bba certificates and its ability to conform to the values prescribed by applicable building codes.
Fabrications with 3mm 10mm openings are acceptable.
