Flooring A Loft Over Insulation. Review your Current Insulation. The Loft Leg flooring system is used to elevate the loft boards over your insulation this is especially important when the insulation sits above the floor joists.
Loft insulation is a process of creating a barrier of insulating material within your loft. Furthermore squashing insulation down to fit joist height is a bad idea as this halves its effectiveness doubling your heat loss. Lay Insulation Over the Joists.
Well discuss two options.
Insulated loft floor boards. Lay Insulation Over the Joists. You can still board directly on to the joists if you want but it is worth noting that this would not pass a building control inspection because you wouldnt have the full 270mm depth of insulation. Loft insulation is a process of creating a barrier of insulating material within your loft.