Ridges verges and valleys.
Onduline roof vents.
Generally air movement generated by the provision of high and low level ventilation will help in avoiding this problem.
With any single thickness material there is a risk of condensation formation during the winter months.
Closure vent 5 owens corning 5 roofers choice 5 duroflex 4 mutual industries 4 sunsky 4 barton 3 hdx 3.
They are secured by using nailing with galvanised round headed nails such as the onduline circular nails.
Although onduline has superior resistance to the build up of condensation to many roofing products such as steel sheets.
The ondutiss air range of products are high vapour permeable membranes suitable for cold and warm roof applications.
A fully integrated roofing system.
Onduline offers several accessories for roofing sheets to deliver a fully integrated roofing system for installers and homeowners.
Onduline eaves ventilator strips are used to allow ventilation into the roof space of an outbuilding or diy project whilst preventing the infiltration of birds and large insects into the eaves.
Ridges verges and valleys are made of the same material to create a uniform look.
Although onduline has superior resistance to the build up of condensation to many roofing products such as steel sheets with any single thickness material there is a risk of condensation formation during the winter months.