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Envelope

  • Proposal to Require Hot Water Pipe Insulation

    To curtail wasted water and energy, the NRDC and the UA propose that all hot water piping systems in new buildings be insulated, such as those serving lavatories, showers, dishwashers, and kitchen sinks.

     
  • Tight House Construction - Sealing Exterior Sheathing Seams

    In my quest to build ever tighter houses I've decided that my goal is for every house I build to get as close to 1ACH50 as possible. To reach that goal, I've decided to take a page from the PassiveHouse playbook and tape my exterior sheathing seams.

     
  • Encapsulating ducts with at least 1 1/2 inches of closed-cell spray foam substantially improves HVAC performance in all U.S. climate zones. Burying the encapsulated ducts in loose-fill attic insulation improves performance even more.

    Buried and Encapsulated Ducts (Subscriber content)

    Encapsulating ducts with at least 1 1/2 inches of closed-cell spray foam substantially improves HVAC performance in all U.S. climate zones. Burying the encapsulated ducts in loose-fill attic insulation improves performance even more.

     
  • Provia Foam-Filled Fiberglass Entry Doors

    These Signet foam-filled fiberglass entry doors are available in custom widths and in heights up to 8 feet. Doors are individually hand-stained and can be customized with different styles, colors, and finishes.

     
  • Building Above-Code Walls - Belfast, Maine, Cohousing Units (Subscriber content)

    Four design/build teams solve the puzzle of high-performance wall construction—in four different ways.

     
  • Building Above-Code Walls - Maine Single-Family Home (Subscriber content)

    The wall system shown here is an improved version of the system I used for the house I built in Knox, Maine, in 2011.

     
  • Building Above-Code Walls - "Avalon" a Connecticut Farmhouse (Subscriber content)

    Our wall example is part of a zero-energy single-family house built for the tenant farmer of an organic farm in rural Connecticut.

     
  • Building Above-Code Walls - Norwich, Vermont Single-Family Home (Subscriber content)

    Our challenge was to realize the owners distinctive artistic vision for their home, along with their very ambitious energy-efficiency goals, while also working within the hard limits of the budget.

     
  • Building Above-Code Walls (Subscriber content)

    Four design/build teams solve the puzzle of high-performance wall construction—in four different ways.

     
  • Marvin Windows and Doors Automated Exterior Shading System

    Marvin's shading system can be fitted to a range of the company's windows, is invisible when retracted, and fully integrates into the frame. Plus, the motor can be controlled via an iPad or iPod app.

     
  • Building Better Eaves

    Roof overhangs can be finished in a number of materials and constructed in a wide variety of different ways. Here's what you need to know to construct eaves that will survive the test of time.

     
  • Coastal Maine Builders Push the Passive House Envelope

    Two Maine builders are taking different paths to premium performance.

     
  • Thermal Imaging With a Blower Door (Subscriber content)

    Though it's impossible to seal every hole in an existing building to prevent air leaks, here's a procedure you can use to identify the worst leaks in order to tighten the home as cost-effectively as possible.

     
  • Siding Guide

    LineBacker Siding Insulation provides a thermal break and its parallel ridges serve as guides for the installation of horizontal siding planks.

     
  • PVC Ceiling

    Zip-Up Ceiling offers a quick way to finish a basement ceiling: Install trim around the perimeter, then infill with paintable PVC panels and hidden rails that can be unzipped later for cleaning and overhead access.

     
  • Advanced Building Products Mortairvent Membrane

    Suitable for all exterior siding applications, this rainscreen technology creates a drainage and ventilation cavity between the weather resistant barrier and the exterior wall.

     
  • Rigid Rock Wool

    Designed for use as exterior continuous insulation in rainscreen wall systems, Comfortboard CIS repels water but is breathable enough to allow outward wall drying.

     
  • Replacing the Trim Around a Classic Doorway (Subscriber content)

    Upgrading the trim on a vintage home such as this one gives an old doorway a new life.

     
  • Best Practices: Continuous Exterior Insulation (Subscriber content)

    A guide to selecting and installing rigid foam on walls.

     
  • Venting the Crawlspace (Subscriber content)

    Most crawlspaces are vented to the outdoors, but encapsulating the crawlspace has gained favor among builders of green and energy-efficient homes. But what do you do about the air down there?

     
 
 
 
JLC Field Guide to Decking