Pitched Roof Rafter Insulation

On this basis 70mm between and 70mm on top as you have proposed is perfect.

Pitched roof rafter insulation.

Utilising a pitched roof as a usable living space is an effective way to maximise the square meterage of a residential development. Pitched roof rafter level warm roof application overview our insulation solutions for warm roofs maximise both space and thermal efficiency whilst also contributing to acoustic performance. Its versatility is the key to its popularity whether being used to achieve. For this method of pitched roof insulation we recommend using quinn therm qr roof insulation boards between the rafters and quinn therm ql kraft insulation boards below the rafters.

If 180mm is to be installed then 100mm board might be introduced between the rafters there has to be a minimum 25mm air gap between the insulation and the underside of. In this blog post we explore some of the options available. Arguably the most popular pitched roof solution installing insulation between and under the rafters uses the depth of the structural timbers to best effect. Insulating a pitched roof above the rafters is the common method chosen for new builds and re roofing existing detached buildings as it provides superior thermal performance for the building.

Go with insulation between and over or between and under the rafters. Kingspan with a warm roof the usual process is to split the insulation into two layers. The roof will typically be insulated above the rafter line creating what is most commonly known as a warm roof. 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. When it comes to pitched roofs however adding a thick layer of insulation to the rafters can result in a depth of roof construction that may not suit every site meaning over rafter insulation sarking only is not a viable option. When insulating a pitched roof at rafter level there are a number of key design considerations which will affect the build up of the roof and the choice of insulation. Where insulation is being provided between and over pitched roof rafters we recommend that the insulation on top of the rafters is equal or greater in thickness than the insulation between the rafters.

Firstly just to make it clear when we are talking about rafter level we mean the timbers that support the pitched roof. An efficient room in a roof in a new build property where over rafter insulation is not desirable.