Flat Roof Insulation Techniques

Use rigid foam insulation panels on your flat roof before applying the final roof covering or inside the house before adding sheetrock or paneling.

Flat roof insulation techniques. From there the flat roof system you choose will determine the materials you apply. Flat roof insulation is also used with conventional bur and mechanically or adhesively attached single ply and modified bitumen membranes when field applied cover boards are used. This will enable the airflow to circulate freely. Warm roof is the best way to insulate your flat roof as there are no condensation issues to contend with.

If insulation is being added to an older building then it is common practice for the ceiling itself to be taken down. The insulation for flat roofs is commonly produced as rigid boards making them easy to handle and install with the variety of waterproofing types and systems. Rigid foam panels are available in thickness. Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board.

Flat roof insulation is unfaced polustyrene and is suitable for use with loosely laid single ply membranes. The insulation material is placed between the supporting joists leaving a gap of 50 60mm between the roof and insulation.