Eaves, fascia and barge boards

An integral part of the roof systems described previously is the use of the insulation combined with ECOply or Promatect. Eaves and fascia construction do not benefit from the inclusion of insulation and therefore the system requires an alternative approach.

The solution for fascia and eaves is identical to the ECOply roof systems described above and in essence both the eaves soffit and fascia achieve fire resistance by the combination of a 15 mm ECOply and 16 mm fire grade moisture resistant plasterboard system. The ECOply is the first sheet to be fixed to framing and is fixed in accordance with the methods described for the roof.

Over the ECOply, a 16 mm fire grade moisture resistant plasterboard is fixed to timber framing using either 2.8 mm x 50 mm galvanized clouts or 32 mm screws at 150 mm centres. Joints in the boards, corners or where they abut another element are to be sealed with flexible fire resistant mastic.

The 16 mm fire grade moisture resistant plasterboard is to be covered by a weather protector. For eaves soffit, 4.5 mm fibre cement eaves lining is the minimum requirement and the fascia or barge requires a standard 19 mm timber fascia.