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.

Kingspan roof insulation between rafters.

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. To create a warm pitched roof insulation such as kingspan kooltherm k7 pitched roof board should be fitted between and over the rafters. This roof type will require a breathable membrane like kingspan nilvent to be. For more information on pitched roof insulation please see the kingspan kooltherm k7 pitched roof board brochure.

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. As this requires fitting insulation above the rafters the roof covering will have to be removed in order to fit the insulation. Its versatility is the key to its popularity whether being used to achieve. Kingspan kooltherm k7 pitched roof board is a premium performance rafter level insulation for ventilated or unventilated pitched roofs.

The definition of a flat roof according to bs 6229 is having a pitch less than 10 o to the horizontal however some in the industry would consider up to 15 o as their definition of a flat roof. Getting to know kingspan kooltherm k7 pitched roof board. Go with insulation between and over or between and under the rafters. We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation.

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. 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. An efficient room in a roof in a new build property where over rafter insulation is not desirable. 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.

Arguably the most popular pitched roof solution installing insulation between and under the rafters uses the depth of the structural timbers to best effect. 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. Others would treat even steeper pitches as flat roofs.