Access Panel – Metal – 3.5%
Access Panel – Plastic – 7.5%
Cavity Closer – 4%
Cavity Closer Fire Rated – 10%
Cavity Trays (Unleaded) – 7.5%
Loft Access Door – Fire Rated – 3.5%
Lost Access Door – Plastic – 3%
Meter Boxes – 1.5%
Underfloor/Thro wall/Airbrick – 4%