Here at Farrell Homes Inc., our standard specifications far exceed other builders and manufactures. Our modular homes have a 7/12 roof pitch with R-38 insulation, 16 on-center exterior walls and high-density R-21 insulation to name a few. Click here to view our Standard Specifications. Interested or have questions about modular home specifications? Give our sales team a call today, they would be happy to assist you with any questions you may have. (518) 279-3222 Mon-Sat 9-5pm.