The main advantages are air tightness speed of installation and simplified roof.
Warm deck zinc roof.
Installation the substrate of the metdeck composite panels on the warm side of the roof panel must be covered with a continuous aluminium foil backed bituminous self sealing vapour barrier to.
Guidance advice on warm cold.
Introduction warm cold roofs this guidance offers guidance on the difference benefits between warm and cold roofs.
Zinc roofing warm vs cold roofing.
Contrasted with the cold deck roof this construction has a much lower risk of condensation as the void will be of a comparable temperature to the roof.
The insulation in a warm deck roof is installed immediately below the roof membrane on top of the roof deck usually with a vapour control layer underneath the insulation.
Rigid insulation is used in combination with special clips that enable the zinc to be fixed to.
The warm deck roof design is the modern method for flat roof construction and is preferred wherever this option is possible.
With this warm roof system zinc plus standing seam can be installed on rigid insulation without ventilating the underside of the zinc plus.
So called because the insulating layer is located above the roof rafters and between the structural supports a warm deck roof results in a temperature for the roof and loft area that is consistent with the rest of the.
Hence have a warm air roof void so have insulated and draft proofed all the sides of this void from any adjacent cold roof spaces to minimise thermal bypass.
The roofer is worried about the screws penetrating the vcl at 4 which he sees as protecting the underside of the zinc from rising moisture and would put the plywood above the insulation.
The metdeck warm roof solution consisting of insulated decking board for long strip copper and zinc standing seam roofing utilising the high performance of kingspan kooltherm technology.
Fixed through to the deck with special fixing clips and screws supplied by vmzinc.
Ventilation is required for these roofs.
This video will demonstrate how to install a cure it grp waterproofing system in a warm roof build up.
On the face of it it might seem like an odd comparison but there is a choice to be made between a cold roof and a warm roof and this article will look into the reasons to consider each option for zinc roofing.
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.
Metdeck upper face is an 18mm fsc certified wbp exterior grade plywood.
