Flat Seam Zinc Roof

Continuous ventilation openings are made at the top and bottom.

Flat seam zinc roof.

For aesthetic and technical reason the distance between seams on zinc roofing cladding should be less. The vmzinc flat lock panels are fixed to timber boarding. Flat roofs tend to be significantly cheaper than pitched roofs to install. Surfaces that are single plane in geometry are simple to construct curved surfaces can require a multi layer approach of curvable thinner sheathing.

For larger residential structures and routinely on commercial buildings zinc roofing panels or standing seam are used. A continuous 38mm ventilated air gap is left clear behind the boarding on the entire facade. Installing a zinc roof on top of a sloped structure costs more than a flat roof installation. As a general rule the zinc roof sheets can be up to 600 mm between the standing seam centres.

The double lock standing seam is a further development of the original hollow seam or the simple standing seam. 430 mm is a common width depending on the brand of zinc used. Furthermore larger homes may have complex roofs with sections sloped and sections flat. A special vented plastic grid is laid below the zinc.

The substrate provides the structural support for the zinc and generally the standing seam or flat lock clips are fixed to it. Standing seam warm roof on plywood bonded to phenolic foam. Quartz zinc anthra zinc pigmento azengar thickness. Zinc can also be laid over insulation boards on top of an existing felt roof.

Flat roof vs pitched roof. Standing seam warm roof on insulated metal faced panels. Zinc standing seam panels come in on the upper end of the material costs or 6 to 8 per sq. Standing seam warm roof on cellular glass insulation.

Plywood can be used but in this case zinc plus must be used. Zinc roofs can be laid to very low pitches down to 3º depending on the type of jointing seam used. Hidden cleats are used to attach the flat lock panels. Standing seam g3.

375 mm 285 mm. Flat lock panels offer a simple yet elegant cladding solution that provides a longitudinal flat seam. It should provide a minimum clip pull out value of 560n. Sheets of zinc are placed over the flat surface and strips of zinc are placed over the battens to replicate the effect of upfolds and crimping in standard seam zinc.

Standing seam cold roof on open gap timber boarding. For heritage or flat roof projects a batten roll method where generally wooden battens are fixed to the plywood or timber roof substrate to form ridges is a good alternative. Standing seam warm roof on rigid insulation.