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Scherer Building Corporation • Shorewood, MN

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About the Builder - Scherer Building Corp.

Scott Scherer, owner of Scherer Building Corporation, is a custom homebuilder based in the Minneapolis – St. Paul area. To date, most of his projects have been built in Minnesota, but Scott has plans to begin construction in the Boulder, CO area soon. Scott has been involved with building custom homes since the age of 14. Even since this early age, his focus has been to go beyond satisfying his customers. He concentrates on building with quality materials and craftsmanship and applies the systems approach to every home he builds. According to Scott: "It doesn’t pay to do something over, it costs me money and can cause doubt in the mind of my customer." This attitude led him to get involved with the American Lung Association’s Health House program back in 1995. He has been building to the Health House criteria ever since. He is also focused on advancing his building science education at every opportunity, mainly through his involvement with EEBA. Scott realizes that he cannot build his homes by himself, however, and makes sure that he aligns himself with like-minded subcontractors. Scott also keeps his subs up-to-date on local building science training opportunities and makes it a habit to bring one of his sub-contractors to each EEBA conference he attends. Scott completed his EEBA Master Builder certification at the last conference in Denver.

Design Philosophy and Application

Scherer Building Corporation’s focus on quality control is managed by Scott’s hands-on approach. Scott is on-site most of the time. He is happy with this slower pace and realizes that he would not be satisfied managing his company from an office.

Scherer Building Corp., Home Features

Mechanical System Characteristics

• HEPA filtration combined with high efficiency pleated filter 
• 14 SEER air conditioner 
• Balanced energy recovery ventilation system 
• 87% sealed combustion boiler for in-floor hydronic heat and domestic hot water needs 
• 92% efficient sealed combustion furnace 
• Every return and supply hard-ducted (no panning), then sealed with mastic or foil tape 
• High efficiency dehumidification system duct-ed to air handler 

System Improvements

• Waterproof foundation wall system with rigid fiberglass drainage board 
• Sealed rigid insulation air/moisture barrier below slab and capillary break over footings 
• Exterior air flow retarder system and drainage plane 
• Interior air/vapor barrier system, sealed polyethylene 
• Significant overhangs designed to reduce cooling load 
• High performance glazing 
• Balanced ventilation system 
• Sealed sump pail 
• Passive radon abatement system 

Envelope Characteristics

• Floor area: 4,548 
• Foundation Walls: Poured wall, R-10 rigid fiberglass exterior insulation, sealed R-7 polyisocyanurate and R-11 batts interior insulation
• Wall system: 2x6 with R-19 blown-in fiber-glass insulation, plywood sheathing and interior sealed air/vapor barrier 
• Attic/Roof: Truss system with R-44 blown fiberglass insulation with sealed wind-wash barrier at exterior edges 
• Windows: Aluminum clad wood casements, double glazed, argon filled with Low-E coating U: 0.24, SHGC: 0.24, VLT: 0.37

Material Selection:

• Low or no VOC paints and sealants 
• Sealed all cabinet surfaces with water-based sealer 
• Central vacuum 
• Maximized coverage of hard surface flooring, no carpet 

Measured Leakage Characteristics

• Total envelope CFM at 50 pascals: 920 
• 0.20 CFM/Square foot of floor 
• 1.32 ACH at 50 pascals 
• Duct system leakage to outside: less than 10 CFM