I HAVE A NEW L SHAPE LOFT BUILT TO MY DESIGN FULLY KITTED OUT WITH BOXES PERCHES SLIDING WINDOWS MACH/LOUVERS ECT THAT SUITS MY NEEDS ALSO SO THE WIFE CAN GET THE DOOS OUT WHEN I,M AT WORK I CHOSE ECCO LOFTS FOUND MATT TO BE VERY HELPFUL GOT IT IN HEAVY DUTY WITH 3/4 PLY FLOOR ON 3X2 HAVE A LOOK AT THEIR WEB SITE ALL DEPENDS WHAT YER WANT TO PAY ITS COMING NEXT MONTH REMEMBER THEY NEED 5 WKS NOTICE