Engineered Building System

Every Sienna Home is built using an efficient, environmentally sound building system that ensures exceptionally high quality, consistency, and an energy efficient home. Each Sienna Home also includes the best green materials and processes backed by the finest warranties. And, eco-conscious homeowners can choose our Premium Low-E Specification.

Standard Sienna Home

Our Engineered Home Structural Package is complete and includes the following:

Factory-panelized 2'x6' exterior walls (24" o/c with 7/16" OSB sheathing) that are straight and true
Pre-engineered roof trusses from only the best suppliers
40-year architectural shingles
Chimney chases (as per plans)
Panelized 2'x4' interior partitions (16" o/c) with specialty-built mechanical walls to ensure proper fit
Aluminum soffit & fascia
Decorative vents (as per plans)
High-quality siding with custom stone and wood accents
PVC casement windows that are ENERGY STAR compliant
Decorative posts and trim (as per plans)
3/4" OSB sub-floor
Pre-cut TJI Silent Floor joist system that is fully engineered
Roxul Mineral wool insulation for exterior walls (R22) and cathedral ceilings (R28)
Weathershield Blown cellulose insulation (R44) for flat ceilings
7/16" OSB roof sheathing
Ice and water shield eave protection
Aluminum drip edges
Top quality Air Barrier
Factory insulated window headers

Learn about the standard green elements that are also included in every Sienna home. Eco-conscious homeowners will want to consider our Premium Low-E Specification.