Zinc Pitched Roof Detail

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.

Zinc pitched roof detail.

The minimum slope for zinc roofs is 3º as built. Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage. Definition of cold roof in the uk 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. They differ considerably from the conventional gabled roofs in shape and construction.

A 3 degree roof pitch means just over 50mm in every metre so over 3 metres you only have 150mm to play with. For longer slopes and lower roof pitches contact fabral for other suitable profiles. We recommend 5 degrees however due to site conditions and execution. This air space must be a vented space with openings.

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. While the gabled roof is always pitched in two directions the mono pitch always slants in a single direction. 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.

Mono pitched roofs are also known by the names of skillion roofs shed roofs pent roof and lean to roof. For over 45 years berridge manufacturing co. 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. Refer to the rain carrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage.

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. Vmz composite vertical cassette roof parapet. 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.