Roof Insulation For Listed Buildings

Foam sheets covered with foil are a magnet for condensation and trap moist air into a building.

Roof insulation for listed buildings.

The optimal solution is to externally insulate solid walls with breathable pavatex wood fibre thermal insulation boards because the complete building envelope will be insulated therefore reducing cold bridging through the junctions. Introducing a stone wool roofing insulation and coverboard in one. For england and wales these are listed in regulation 21 unlisted historic buildings in conservation areas may also be exempted from some requirements but as the insulation of the roof can usually be made without affecting the external appearance. Most unvented attics incorporate spray polyurethane foam spf on the underside of the roof deck and attic walls.

By including a layer of stone wool insulation within your roof system your building will benefit in more ways than one. It is used underneath floors as insulation where again it is prone to condensation. Most listed homes in the uk are only grade ii listed which means there are things that their home owners can do to improve insulation and heat loss problems. Insulating the underside.

If the main roof is being insulated then it is advisable to consider insulating any dormer window which is a part of that roof. This construction approach was first used in the 1970s and it has been implemented much more widely since it was first included in the international code council s icc model building code in 2007 irc section 806 4. I ve seen roof areas with water literally running down the foam boards. Grade i and grade ii listed buildings can be more difficult to alter and upgrade but luckily that only covers approximately 8 of homes in the uk today.

Grade ii is a step below grade i meaning these are important buildings of more than special interest but not as highly valued as your grade i. Listed building insulation regulations ease off a little when it comes to grade ii and ii listed properties. Fitting insulation in the loft is a good place to. The easiest way to increase the value of your roof assembly is to insulate the insulation with a hybrid roof system.

Examples of some of the materials that could be used to improve the weather tightness and insulation of the roof of an old building without jeopardising the traditional breathing performance include vapour permeable roofing felt and sheep s wool insulation. Dont use it for anything in an old building that needs to breathe. Insulate your property 1 insulate your property. You can insulate a traditional building in a various ways to reduce heat loss and save energy.