Flat Roof Deck Insulation

We have a wide range of roof insulation products including flat roof insulation tapered insulation and pitched roof loft insulation.

Flat roof deck insulation. Insulation above the roof deck or air vapor impermeable insulation below the roof deck is needed for condensation control in an unvented roof. That s what i m seeing on my friend s roof and now that it needs to be re roofed with tpo the tearing off of the old mod bit material is stuck to the insulation boards therfore the. A flat roof should always allow for water channelling and drainage to prevent issues such as ponding. Tapered insulation is a great flat roof solution which allows falls to be created with specially shaped insulation rather than requiring screed or timber firrings.

Ponding can lead to premature failures in the waterproofing system and the need to refurbish an area or the entire flat roof before the end of its intended design lifetime. Flat roof u value 0 18 w m2k 2 warm deck flat roof the type of insulation for this is usually of a rigid type and the thickness will vary depending on the manufacturer s specifications. Tapered insulation is compatible with many different roof types and in both new build and refurbishments. Is it common for flat roofs with a 2 insulation on top of the deck be covered with modified bitumen without adding plywood on top of the insulation boards.

Thickness varies according to the manufacturer s specifications. Mechanical solutions piping walls foundations roofs pitched curved flat. Warm flat roofs do not need to be ventilated as the insulation is. Mechanical solutions mechanical room piping flatwork oc appliance air distribution duct insulation duct fabrication roofs interior acoustics.

Saint gobain insulation uk manufacture and supply glass mineral wool slabs and rolls along with rigid polyisocyanurate pir boards that can be considered suitable for a wide range of applications across flat roofs whether you re looking to insulate at joist level or above the roof deck in your flat roof construction. Warm deck flat roof insulation is now the standard way to insulate a flat roof click to enlarge flat roofs for example on extensions bathrooms and dormer windows are not the best of ideas. The ratio of insulation above the roof deck or air permeable insulation below the roof deck is a matter of climate and interior conditions. We also have insulation boards suitable for more specialist roof applications for example inverted roof insulation and balcony insulation.

A flat roof where the insulation sits below the waterproof membrane and above the structural deck is a warm roof deck. They lose loads of heat and are prone to leaking causing the materials to deteriorate. This is placed over the roof joists and a board normally external ply is laid on top.