There are three types of insulation for flat roofs and a professional should help you to decide which one is best for you.
Best roof insulation uk.
The best insulation for your home will depend on the situation and if you are replacing or supplementing existing insulation.
Warm deck or warm roof has insulation above the roof deck the panel underneath the roofing material that s usually made of wood.
Loose insulation fiberglass or recycled fiber materials.
There is a variety of insulation types you can use.
Cold roof when installing or upgrading your loft insulation there are a few very important steps that are normally missed but if done correctly will increase the performance of your insulation and help you avoid future issues.
A flat roof should preferably be insulated from above.
Cold roof insulation is the most common type within traditional houses while a warm roof is more common in chalet style houses where you have habitable rooms.
Before we answer the question what is the best roof insulation material we have to take a look at all the options.
How to insulate a loft.
Spray foam insulation is a superior product compared to all other types of loft insulation.
If you do have a dry attic with easy access and evenly spaced joists the cheapest and simplest way to insulate it is between the joists with rolls of blanket roof insulation.
Here are a few of the most common insulation solutions available.
Polyester natural wool glass wool and rockwool.
Especially with all the various types of roof insulation out there.
A layer of rigid insulation board can be added either on top of the roof s weatherproof layer or directly on top of the timber roof surface with a new weatherproof layer on top of the insulation.
When sprayed at rafter level it seals the home creating an air tight warm roof structure which contributes to keeping your home warm in winter cool in summer whilst lowering heating and cooling costs by up to 50 which can t be achieved with traditional insulation.
In fact it may be best to consult or employ local craftspeople who are trained in the relevant techniques.
The boards provide highly effective insulation for your loft space and can also be decorated over.
Batts or blanket insulation.
Some of your options include wood fiber cellular glass gypsum board and much more.
This is best done when the roof covering needs replacing anyway.
It s recommended in damp and cold areas such as the uk.
The downside is that sheet insulation tends to be the most expensive type.