Ventilated Zinc Roof Details

Vmz composite vertical cassette roof parapet.

Ventilated zinc roof details.

If you want a flatter smoother effect a different detail is necessary. In addition to the standing seam system products include rainwater systems cladding systems and decorative roofing products such as dormers bull s eyes weather vanes finials and balustrades. Ventilated cold roofs these designs introduce an air layer under the substrate which draws warmed moist air out from under the zinc. Ventilated zinc ridge designs are traditionally rather lumpy affairs with a tall cowling across the top making the roof stop abruptly rather than allow the surface to flow naturally over the top and down the other side.

Our friends at elzinc have published fourteen zinc ridge details. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage. Vmz zinc plus should be used when installing over plywood or in a warm roof application.

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Ventilated ridge traditional semi flat ventilated ridge. However their effectiveness is not dependent on roof geometry and a warm roof provides a slimmer roof construction. Vmzinc can be used for renovation projects or new build.

6 bilacquered vmzinc colours. Vmzinc is available in. Square ventilated ridge variation flat ventilated ridge. Zinc plus is installed on the plywood a 50mm continuous air gap must be left clear beneath the support of the zinc plus on all the roof pitches.

This air space must be a vented space with openings generally at the eaves and the ridge. Natural zinc natural zinc plus or 6 pre weathered vmzinc surface aspects. Vmz composite vertical cassette vertical section. In order to put the cold ventilated roof system into context we will refer to it as a roof where there is a continuous air space of at least 50mm between the substrate supporting the zinc and the insulation.

Company profilevmzinc manufactures a wide range of rolled zinc products for use in construction and has almost two centuries of experience. Quartz zinc quartz zinc plus anthra zinc anthra zinc plus pigmento pigmento plus red green blue brown. 0 7 or 0 8 mm thick.