Hollow soffit F trims are used as a starter or edging trim and are placed upside down with the slot facing the house. It is recommended to check it is level every 3 feet by placing a level across the gap that lies between the fascia board and siding to ensure it is accurate.Freefoamand#039;s hollow soffit F trim is 5-metres in length and is coated in a smooth dark grey.Freefoam SoffitsA lightweight range of solid and hollow soffits that are designed to work with the fascia range (and all other size variants.)It is recommended to use Freefoamand#039;s P30 or P40 Plastop Plastic Headed Pins for soffits.Freefoamand#039;s soffit boards are BS EN 13245-2:2008 certified.
