Epdm Warm Flat Roof Construction

A waterproof layer which resists water.

Epdm warm flat roof construction.

The guttering and gutter board has been remov. A vapour control layer must be used below the insulation. Continuously changing building regulations mean that the way your epdm flat roof is insulated insulation may need to be changed and your roof turned into a warm roof rather than the typical cold roof. From there the flat roof system you choose will determine the materials you apply.

Hot tar and gravel. Flat roof construction flat roof construction diagram warm roof. This option avoids the requirement to ventilate the roof. Above is a typical construction of a warm flat roof.

Thermal insulation which retains heat within the building rather than allowing it to escape through the roof. This is where the insulation is typically packed between the rafters. A note to consider before construction. This approach uses insulation with no air gap either immediately above or below the roof deck.

Epdm rubber warm roof being installed over old decking using a new vapour barrier and thermally broken fixings. There are several methods and materials for the design of the exterior surface of a warm or cold flat roof. Less thermally efficient than a warm roof construction cold roof construction remains the most common form of construction for existing flat roofs. The benefits it provides and its cost effectiveness over a long term period have seen it become the flat roofing system of choice for many property owners.

A vapour barrier to prevent moisture. A 50mm air gap must be left. The insulation material is placed immediately above the ceiling between the rafters. This type of roof construction has an insulation layer above the rafters and another layer immediately below its weather proof epdm membrane.

Warm deck roof construction repair and replacement with an epdm rubber roofing membrane most new flat roof extensions are constructed using the warm roof method. For that reason cold flat roof construction needs to keep in mind the need for unblocked airflow. The 3 most common materials used for flat roof construction. Consider geography budget and use for the roof to determine the best option.

Warm deck flat roofs can be constructed on most modern construction material types such as concrete timber and timber based sheets. A cold deck is constructed as follows. It consists of six basic elements. To use epdm for a warm deck flat roof construction solid closed cell roof insulation such as kingspan or celotex should be placed on top of the roof deck rather than in between the rafters.