Originally Posted by
boost monster
My door before I covered it with foil bubble
Go for insulation first it’s the cheapest form of heating!
Ive done my ceiling with 75mm kingspan and the metal door with 10mm polystyrene with foil bubble wrap on top made a huge difference
Just done my Door and ceiling in 25mm Kingspan over the weekend and must say its done the job.. Had a 3kw heater on for 15 mins and had to turn it of.. so much better now