Permavent APEX air permeability value is >36.72m3/m2h50Pa.
Further InfoClick here to check where your nearest stockist is. For any other enquiries please contact our sales office 01305 766 703
Further InfoPermavent MAX ALL Zones is Suitable for all UK wind zones regardless of fitting method.
Further InfoYes. For more complex roofs please speak with our technical department.
Further InfoPermavent APEX complies with NHBC requirements for cold/warm roof constructions without the need for any ventilation under the NHBC warranty.
Further InfoYes, it can. Permavent APEX is UV stable for up to 3 months.
Further InfoYes, it can. Permavent membranes are UV stable for up to 3 months.
Further InfoA VCL is not required for non-ventilated cold roof installation.
Further InfoPermavent APEX is cost effective. The reduced lap (100mm) will decrease the membrane usage. The integrated double tape system will save time and labour, as well as eliminating the need for restraint battens.
Further InfoPermavent APEX is suitable for use in zones 1-5 (taped lap).
Further InfoThe drying out period is the period when all the moisture in the building is drying out, including moisture in building materials and any moisture that find its way in. The air and vapour permeable properties of APEX helps with the condensation during this period.
Further InfoThe minimum pitch for slates is recommended 20° (BS 5534) Using our Easy Slate your roof pitch for slate roof can be as low as a 12°.
Further InfoThe minimum pitch for tiles is recommended 35° (BS 5534) Using our Plain Easy your roof pitch for slate roof can be as low as a 17.5°.
Further InfoThe majority of breather membrane manufacturers recommend installing their membranes with a 150mm lap. Permavent APEX has been tested and approved for installation with 100mm membrane lap.
Further InfoPermavent APEX air permeability value is >36.72m3/m2h50Pa.
Further InfoClick here to check where your nearest stockist is. For any other enquiries please contact our sales office 01305 766 703
Further Info