Cold Flat Roof Eaves Detail

The ceiling joists are used as the platform for the roof coverings.

Cold flat roof eaves detail.

The position of the insulation dictates which type it is. This air is vented at either end of the roof to allow a continuous air flow. The best time to lay a felt roof using cold applied adhesive is when the weather is warm but this means that working on a flat roof can be exhausting work with the sun s heat and the heat reflected from the felt already laid. 2011 control of condensation in buildings is the document to view.

The fall of the roof is achieved by using firring pieces with a fall of 1 in 40. The rolls of felt are quite heavy and to avoid damage must be handled with care. Please fill in your details below to access our full list of standard details for sika sarnafils range of systems. From there the flat roof system you choose will determine the materials you apply.

In terms of rules on ventilation bs 5250. Flat roof details and information relating to insulating a flat roof. The flat roof shown above shows warm deck roof construction. Hopefully this video will help explain the difference between cold flat roof construction and warm flat roof construction this videos show detailed drawings.

Put simply a warm flat roof has insulation of some kind packed into every available void and a cold flat roof allows air to circulate between the joists. A note to consider before construction. In this type of construction the insulation is placed below the waterproof covering and on top of the roof deck and vapour barrier. For this content to be displayed you need to accept all cookies in the cookie settings and confirm your selection or by clicking the.

Consider geography budget and use for the roof to determine the best option. Details both in 2d and 3d to give a clear understanding. Cold flat roofs warm flat roofs inverted flat roofs green flat roofs solar flat roofs. Similar to the pitched roof a flat roof can be insulated as a cold or a warm deck.

Install the ice and water shield membrane so that it laps securely over and bonds to the surface of the drip edge.