We spend our working days in lofts: stripping out flattened, damp and soiled insulation, clearing joists for boarding and conversions, and laying new insulation to 270mm. These guides answer the questions people ask us most, in plain English, with the numbers behind them.
Depth and Performance
How Thick Should Loft Insulation Be? 270mm Explained
Why 270mm is the usual target, what each depth does to heat loss, and when to go deeper.
How Long Does Loft Insulation Last?
What shortens the life of loft insulation, the signs it has stopped working, and what flattening costs you.
Loft Boarding Without Squashing Your Insulation
What crushing insulation under boards costs, how raised boarding works, and the mistakes to avoid.
Removal
Should You Remove Old Loft Insulation Before Adding New?
When new insulation can go over the old, when the old must come out, and the top-up mistakes to avoid.
How to Remove Loft Insulation Safely: A Step-by-Step Guide
The checks, kit, method and disposal rules for clearing a loft of old insulation.
Spray Foam Insulation in Lofts: Mortgages, Surveys and Removal
Why lenders and surveyors are wary of spray foam, open versus closed cell, and your options if you have it.
Safety
Is Old Loft Insulation Dangerous?
What fibreglass really does, when dust, mould and droppings matter, and the one material you must not touch.
Vermiculite Loft Insulation: How to Identify It and What to Do
How to recognise vermiculite, why some contains asbestos, and the safe way to get it tested and dealt with.
Loft Insulation Around Downlights, Cables and Water Tanks
Insulating safely around recessed lights, wiring, tanks, pipes, flues and extractor ducts.
Ventilation and Moisture
Want Us to Look at Your Loft?
Send a couple of photos from the loft hatch and we will come back with a written price.