G'day Daryl,
Below is the advert from the guy I bought it from. As highlighted, it should be easy enough to make it fit a 109. I can't see why it wouldn't fit. I have seen them used in hardtops too. In my opinion, it is worth the money just for the noise reduction alone!!!!!!
Platty
"THESE ARE THERMAL INSULATION KITS MADE FOR THE ARMY. KEEPING THE HEAT IN DURING THE WINTER AND THE HEAT OUT IN THE SUMMER WITH THE ADDED BONUS OF OFFERING LIMITED PROTECTION AGAINST RADIATION. NO ONE SHOULD BE WITHOUT ONE THESE eh ?
THESE ARE MADE FOR THE MILITARY 110 WOLF HARDTOP OR SOFT TOP LAND ROVER,THEY COME IN 3 SECTIONS (AS SEEN IN PHOTO) WITH A FITTING KIT SUPPLIED. NO INSTRUCTIONS THOUGH.
PHOTO SHOWS KIT SAT ON THE SOFT TOP FRAME OF A DEFENDER 110, IT SHOULD BE FITTED UNDER THE FRAME. THERE ARE VARIOUS VELCRO STRAPS AND THINGS FIXED TO THE SECTIONS TO HELP FIT IT ON TO THE VEHICLE.
WOULD NOT BE TO HARD TO MAKE IT FIT TO ANY SOFT TOP LWB SERIES 2 / 3, 110 OR DEFENDER. DEPENDING ON HOW KEEN YOU ARE YOU MIGHT BE ABLE TO MAKE IT FIT A SWB 88 OR 90."
ALL KITS ARE NEW AND BAGGED