Loft Insulation

In many homes, new loft insulation can be installed over existing insulation without removing everything first. This is commonly known as a loft insulation top-up. However, the old insulation should be inspected before any additional material is fitted. Installing new insulation over damaged, damp or contaminated material can hide problems rather than solve them. The correct approach depends on the depth, condition and type of insulation already in the loft. When can new insu

The amount of loft insulation your home needs depends on the material being used, the depth and condition of any existing insulation, and how the loft space is constructed. For most accessible lofts insulated at ceiling level with mineral wool, the commonly recommended total depth is around 270mm. This normally consists of one layer fitted between the ceiling joists and an additional layer laid across the joists. However, simply measuring the insulation is not always enough.