Zinc Cold Roof Details

This air space must be a vented space with openings.

Zinc cold roof details.

Cold roof on vented plywood. Standing seam warm roof on insulated metal faced panels. Roof pitches between 3 and 90 including as vertical cladding barrel vaulted roofs conical and domed roofs. Metdeck warm construction.

Compact roof warm construction. As a result s tanding seam roofing is probably the most cost effective way of installing a zinc roof. Plywood boards must be at least 18mm thick and of exterior grade. Asphalt membranes are ideal for warm roof underlayment and are waterproof protecting the roof from the weather until the zinc is installed.

The product consists of vmzinc in all finishes having a 60µm coating applied to. Roof constructions pages 12 21 and for cold roof constructions pages 24 29. Insulated metal panel warm construction. Standing seam g3.

Standing seam warm roof on rigid insulation. Standing seam warm roof on cellular glass insulation. Vmzinc plus is a unique patented product that allows zinc to be installed on ventilated plywood page 26 as well as specific warm non ventilated substrates pages 12 21. Guidance advice on warm cold roofs www cncbuildingcontrol gov uk.

Flat roof u value 0 18 w m2k 2. Double lock standing seam roofing is suitable for. Standing seam warm roof on plywood bonded to phenolic foam. Warm zinc roof construction can also use timber substrates but the need to reduce cold bridging in many countries has led to the use of rigid insulation boards and composite insulation boards or sandwich panels as the direct substrate under the zinc.

Pull out force of 50 dan per standing seam fixing clip. Modern profiling means you can cover up to 13 metres in a single strip. Structural roof warm construction. The minimum slope for zinc roofs is 3º as built.

Cncd 053 v1 5 7 2019 continuous 5mm gap at ridge depending on the type of roof you are considering here s some technical details you may find useful. Maximum difference in height of 1mm between. Standing seam cold roof on open gap timber boarding. Timber boarding cold construction.

All the substrates must be flat dry and sufficiently resistant to stress e g. This can be especially important in countries with cold winters such as canada where zinc work stops during the winter months and in general in markets where commonly some time elapses between substrate completion and zinc work commencement.