New technology saves home-owners loads of cash in terms of labour fees.
The houses will be built using panels made from compressed rice and wheat husks.
The loans will range between Sh130,500 and Sh175,000 per every 20 square metres.
The facility, which will constitute 3,300 solar panels, will generate 1,256MWh a year.
The new product will be used in place of other cement and lime varieties.
The project comprises 178 three-bedroom semi-detached houses and 171 four-bedroom detached houses.
The construction loans will be offered at interest rates of between four and six per cent.
The factory has a capacity to produce 126,720 expanded polystyrene panels (EPS) panels a year.
Roofing giants are increasingly finding Kenya as a great investment destination.
The one-bedroom apartments will be sold for as low as Sh2 million.