WITH THE INTRODUCTION OF PART L2 THE METAL CLADDING & ROOFING INDUSTRY HAS SEEN THE FOLLOWING IMPORTANT CHANGES.

THE U-VALUES REQUIRED FOR WALLS & ROOFS ARE SIGNIFICANTLY LOWER AND MORE RIGOROUS METHODS OF CALCULATING U-VALUES HAVE BEEN INTRODUCED.

IT IS REQUIRED THAT MORE ATTENTION IS GIVEN TO THERMAL BRIDGING AT, FOR EXAMPLE, JUNCTIONS AND OPENINGS.

IT IS REQUIRED THAT MORE ATTENTION IS GIVEN LIMITING AIR LEAKAGE THROUGH THE BUILDING ENVELOPE.

POST CONSTRUCTION THERMAL IMAGING AND AIR INFILTRATION TESTING MAY BE REQUIRED TO DEMONSTRATE COMPLIANCE WITH THE REGULATIONS.

RANGE ROOFING CAN OFFER ADVICE AND EXPERTISE ON L2 COMPLIANCE