Zinc Roof Insulation Details

Standing seam cold roof on open gap timber boarding.

Zinc roof insulation details.

This air space must be a vented space with openings. Standing seam warm roof on cellular glass insulation. The covering is then able to withstand a certain amount of foot traffic. 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.

A special vented plastic grid is laid below the zinc. This means it will not rust nor be adversely affected by weather. Fixings are hidden and indirect. Standing seam zinc roofing design appearance.

The minimum slope for zinc roofs is 3º as built. Rigid insulation is used in combination with special clips that enable the zinc to be fixed to the supporting decking below and used in this way it must be able to withstand foot traffic and the like and not deform during the life time of the. Zinc and particularly the titanium zinc developed by rheinzink is experiencing a veritable surge in popularity. Standing seam warm roof on rigid insulation.

Standing seam warm roof on insulated metal faced panels. Zinc is an excellent roofing material which will give long and almost maintenance free service if installed properly. 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. Otherwise zinc sheet can be laid over timber sarking but like lead the space below the sarking should be vented and a building paper used to allow the zinc to slide a little.

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. 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. Instead zinc like copper benefits from aging and weathering. Standing seam g3.

Benefits and value of a zinc roof zinc is a metal that is non corrosive. The standing seam roofing needs a continuous support behind it and normally uses an elzinc sheet thicknesses of between 0 65 and 0 8mm. Standing seam warm roof on plywood bonded to phenolic foam. Zinc can also be laid over insulation boards on top of an existing felt roof.