Pitched Roof Insulation Methods

Insulation methods and techniques.

Pitched roof insulation methods.

Pitched roof insulation thermal performance. 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 the tiles or slates with an 80mm board running across the rafters. Fiberglass comes either as sheets that can be applied to the roof from the inside or as loose fibers mixed with adhesive that are blown into place. With this method the insulation is laid in between the rafters or the wooden joists.

As this requires fitting insulation above the rafters the roof covering will have to be removed in order to fit the insulation. A new form of blown fiberglass mixes two types of glass that naturally curl. Cold pitched roof insulation. Saint gobain insulation uk manufacture and supply glass mineral wool slabs and rolls along with rigid polyisocyanurate pir boards that can be considered suitable for a wide range of applications across pitched roofs whether you re looking to insulate at joist level or at rafter level in your pitched roof construction.

Warm pitched roof insulation is based on insulating in the rafter line using different insulation techniques which will be presented here alongside some things to consider before and when installing insulation. One pitched roof construction method is a cut roof method. Warm pitched roof insulation is another way of insulating pitched roofs besides cold pitched roof insulation. The u value of a pitched roof is calculated using bs en iso 6946 which is better known as the.

This can be determined by the size of the timbers or the size of the roof. With a warm roof the usual process is to split the insulation into two layers. There are two different methods of insulating a roof that vary on the basis of roof structure. Cold pitched roof insulation is one of two basic types of pitched roof insulation known as the warm and cold roof systems.

In the cold pitched roof method of construction glass mineral wool insulation is placed. In a warm roof structure the insulation is placed above or above and between rafters in order to avoid heat loss and energy transfer. This is more of a traditional manner in regards to cutting the timber while onsite and building up the roof by the use of rafters ridge boards joists and purlins among others. To create a warm pitched roof insulation such as kingspan kooltherm k7 pitched roof board should be fitted between and over the rafters.

Types of garage roof pitched or flat. Ceiling insulation cold roof. Meanwhile in the warm roof insulation method the material is placed under the roof instead of in between rafters. Foam is a popular type of roof insulation.