home made, budget thermal blinds for our VW T4 SWB camper van project. I checked on eBay and other online shops to find a set for a T4. and the price tags were unreal. £50+ so I set about making our own.originally I was thinking a sheet of emergency blanket type thing but found some loft insulation stuff that is perfect for the job and cheap too.Tools list… its a big one ;-)1. 1 x roll foil backed bubble wrap insulation ( I bought 2 just in case and ended up double siding)2. mini shar…