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.
Zinc pitched roof detail.
The minimum slope for zinc roofs is 3º as built.
For a pitch lower than 14º the joints must be taped between 14º 22 there must be an overlap of 200mm just steeper than 22 or unless it changes above 40º there must be an overlap of 150mm.
For over 45 years berridge manufacturing co.
Rheinzink double lock standing seam roofing the double lock standing seam is a further development of the original hollow seam or the simple standing seam.
Between the zinc plus and the insulation the vmzinc breather membrane link to 8 1 vmzinc membrane is fixed with an overlap depending on the pitch.
First mentioned in relevant literature in 1899 it is the preferred choice over other systems for roof pitches starting at approx.
Sig zinc and copper recommend that the minimum pitch for a standing seam zinc roof is five degrees with an absolute minimum of 3 degrees.
They differ considerably from the conventional gabled roofs in shape and construction.
Vmz composite vertical cassette roof parapet.
Our products are tested proven and covered with full technical support and warranties.
A 5 degree roof pitch means nearly 90mm in every metre which gives you over 250 mm to play with and that extra 10cm is quite a lot on site.
This air space must be a vented space with openings.
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.
For longer slopes and lower roof pitches contact fabral for other suitable profiles.
Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage.
While the gabled roof is always pitched in two directions the mono pitch always slants in a single direction.
We recommend 5 degrees however due to site conditions and execution.
Has worked to set the standard by designing developing and manufacturing superior architectural metal products and portable roll forming technology.
Mono pitched roofs are also known by the names of skillion roofs shed roofs pent roof and lean to roof.