Flat Roof Insulation Uk

A flat roof should have a layer of insulation built into the structure at some level.

Flat roof insulation uk.

This method is especially applied to existing flat roofs which are restricted to a certain height. This means that your approach to insulation will differ from a standard pitched roof. 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. A cold roof has some disadvantages which is why people often choose a warm roof.

A cold flat roof is insulated from the inside. This means there is a vapour control layer in the ceiling and cross ventilation at the eaves or the top of the walls. A flat roof should preferably be insulated from above. Flat roof insulation flat roofs are a less common sight in the uk owing to their typically higher maintenance requirements when compared to other forms of roof construction although they can be a versatile form of roof construction.

Loading and impact resistance is also required with compressive strength being an important consideration when selecting flat roof insulation solutions. All our boards are backed up by rigorous quality assurance and plain english technical support. Ecotherm offers a comprehensive quality range of rigid flat roof insulation products. Cold flat roof insulation lots of traditional flat roofs are of the cold roof construction type.

U value of a flat roof to comply with part l of the building regulations 2010 all roofs to rooms except those in unheated buildings should be thermally insulated to a maximum u value of of 0 18 w m k. When an insulated roof is built from new the insulation layer can be included at different levels within the structure. This is best done when the roof covering needs replacing anyway. With a flat roof this issue does not arise but the u value constraint and the amount of insulation needed is just the same.

Our insulation solutions for flat roof applications provide both excellent fire and acoustic performance in addition to high levels of thermal performance. This may help with condensation but causes such a loss of heat that it has been banned in scotland. Laying flat roof insulation as a rule any roof with a pitch below 10 is classified as a flat roof. Tackle heat loss where it matters most up to 25 of a buildings heat loss is through the roof.

The insulation is placed underneath the roof covering and the roof construction.