Prior to applying the adhesive, and while maintaining proper sheet alignment with walls, perimeter edges and other protrusions, unroll the membrane up to the base of the unit.

classicbond epdm membrane with a sklight

Measure the width and depth of the unit and transfer the corresponding dimensions onto the folded membrane. Draw an “X” inside the box. Cut the “X” mark and from one corner cut a straight line to the nearest edge of the membrane.

Roll the membrane around the unit, leaving a triangle of membrane turning up each one of the four (4) sides.

After all cuts are made and the membrane has been correctly positioned, fold the membrane back and begin bonding procedures.

After the field area is complete, bond the triangles up the sides of the unit (chimney, skylight, etc.). Take care to bond the membrane into the angle change so that the membrane is completely adhered.

After the field sheet has been glued and broomed into place, apply a ClassicBond 150mm (6”) Cover strip over the entire cut in the field sheet from the curb to the end of the sheet.