Sloped roofs are more dangerous than flat roofs.
Flat seam zinc roof.
Continuous ventilation openings are made at the top and bottom.
430 mm is a common width depending on the brand of zinc used.
375 mm 285 mm.
Standing seam warm roof on insulated metal faced panels.
The double lock standing seam is a further development of the original hollow seam or the simple standing seam.
Furthermore larger homes may have complex roofs with sections sloped and sections flat.
Installing a zinc roof on top of a sloped structure costs more than a flat roof installation.
Standing seam cold roof on open gap timber boarding.
Standing seam g3.
For larger residential structures and routinely on commercial buildings zinc roofing panels or standing seam are used.
The vmzinc flat lock panels are fixed to timber boarding.
The substrate provides the structural support for the zinc and generally the standing seam or flat lock clips are fixed to it.
Surfaces that are single plane in geometry are simple to construct curved surfaces can require a multi layer approach of curvable thinner sheathing.
For aesthetic and technical reason the distance between seams on zinc roofing cladding should be less.
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.
Zinc can also be laid over insulation boards on top of an existing felt roof.
Standing seam warm roof on cellular glass insulation.
Standing seam warm roof on rigid insulation.
It should provide a minimum clip pull out value of 560n.
Standing seam warm roof on plywood bonded to phenolic foam.
Flat roof vs pitched roof.
A special vented plastic grid is laid below the zinc.
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.
Whereas zinc routinely appears on residential homes as tiles or shingles and falls in in the range of 4 50 to 6 per sq.
Plywood can be used but in this case zinc plus must be used.
Flat roofs tend to be significantly cheaper than pitched roofs to install.
Zinc standing seam panels come in on the upper end of the material costs or 6 to 8 per sq.
First mentioned in relevant literature in 1899 it is the preferred choice over other systems for roof pitches starting at approx.
Quartz zinc anthra zinc pigmento azengar thickness.
A continuous 38mm ventilated air gap is left clear behind the boarding on the entire facade.
Hidden cleats are used to attach the flat lock panels.