Kingspan Roof Insulation Between Rafters

An air gap in the rafters is not required as long as there is a channel for water drainage to run down the roof this can be achieved with counter battens that run vertically down the roof.

Kingspan roof insulation between rafters.

When building a flat roof it is vital that a degree of falls is built into the construction to ensure rainwater run off. To create a warm pitched roof insulation such as kingspan kooltherm k7 pitched roof board should be fitted between and over the rafters. We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation. Kingspan kooltherm k7 pitched roof board is a premium performance pitched roof insulation that provides a thermal conductivity between 0 020 w mk and 0 023 w mk.

Others would treat even steeper pitches as flat roofs. As this requires fitting insulation above the rafters the roof covering will have to be removed in order to fit the insulation. The weight of the tiles or slates is taken by the counter battens which are laid on top of the insulation a non structural element. With a fibre free rigid thermoset phenolic core and a low emissivity foil outer face kingspan kooltherm k7 delivers superior thermal performance with easy to handle rigid boards.

Kingspan kooltherm k7 pitched roof board is a premium performance rafter level insulation for ventilated or unventilated pitched roofs. Getting to know kingspan kooltherm k7 pitched roof board. The general advice we give is that you should always insulate between and above the rafters or between and under the rafters on our u value calculator we don t give an option for putting insulation between the rafters. In this blog post we will be looking at insulating pitched roofs and why putting insulation just between the rafters isn t a viable solution.

For more information on pitched roof insulation please see the kingspan kooltherm k7 pitched roof board brochure. Follow the links below to learn about our roof insulation boards for each application or alternatively if you know the product you want then enter it in the search box below. Suitable for new build and refurbishment projects it can be installed in. Arguably the most popular pitched roof solution installing insulation between and under the rafters uses the depth of the structural timbers to best effect.

An efficient room in a roof in a new build property where over rafter insulation is not desirable. This roof type will require a breathable membrane like kingspan nilvent to be. 4 december 2015 kingspan insulation uk insulation positioned over rafters in a pitched roof is called a warm pitched roof.