How To Insulate A Mono Pitch Roof

In some cases but not all there is an attempt to vent the air space above the insulation to the exterior.

How to insulate a mono pitch roof.

There are a few things to pay attention to when insulating your pitched roof. Please note that these boards require a breather membrane over the. As this requires fitting insulation above the rafters the roof covering will have to be removed in order to fit the insulation. Between the top of the insulation and the roof sheathing.

A mono pitch roof consists of a single surface of the sloping roof which is generally not attached to another roof surface. To create a warm pitched roof insulation such as kingspan kooltherm k7 pitched roof board should be fitted between and over the rafters. Stagger the horizontal joins. After cutting the plasterboard to width so that it fits between horizontal centres of rafters screw the insulated plasterboard to the rafters.

The bottom of the insulated plasterboard should meet the floor level of the roof space. If making a warm pitched roof construction you should opt for some type of rigid insulation boards such as kingspan k7 pitched roof board orcelotex xr4000 pir insulation boards which can be installed both between and over the rafters and offers a level of fire resistance if important and applicable. Of insulation plus room for an air gap of at least 6 in. The current trend is for a warm roof where insulation is installed between the rafters thereby keeping the roof timbers warm.

How to insulate a roof. The mono pitch roof is always made out of one single roofing surface. Insulating along the sloping rafters forms a warm roof and is an option for both new builds and refurbishment projects. The first decision is whether to insulate a pitched roof at ceiling or rafter level.

Firstly is the choice of insulation material. The insulation can be installed between the rafters and underneath the rafters to extend the thermal envelope up along the pitch of the roof allowing for a new heated room within the loft space. In older buildings the usual method is to install fiberglass batts or cellulose on top of the leaky ceiling with a gap of a few inches or sometimes a few feet between the top of the insulation and the roof sheathing.