Exterior walls – make it rightmake it right

• A single 2x sole plate Sole plate (also sill or bottom plate) is the horizontal 2x material at the bottom of a wall system that is fastened to the foundation.A sole plate holds the vertical studs in alignment and attaches them to the foundation. is attached to the sub-floor or foundation to which wooden studs are attached by toe-nailing An angled nailing method used to join two pieces of lumber that meet perpendicularly to each other.

• A layer of either plywood or OSB Oriented Strand Board is an engineered wood product formed by layering strands (flakes) of wood in specific orientations. Has a rough and variegated surface with the individual strips (2.5 x 15 cm / 1 x 6 inch) lying unevenly across each other. which acts as bracing and helps resist moisture moving into the house


• A layer of exterior finish material which can be a wide range of materials like wood, cementitious fiberboard, vinyl siding Vinyl – Polyvinyl Chloride, also known as PVC, is a man-made plastic. Vinyl siding is widely used because of its cheap cost, ease of installation, and low maintenance. Dioxins, plasticizers and known carcinogens are found in vinyl siding and, for this reason, Make It Right does not recommend this material., metal siding, stucco, etc.

• The cavity of an exterior wooden stud wall is typically insulated with batt insulation Strips of insulation, usually fiberglass, that fit between studs or other framing., blown in An insulation product composed of loose fibers or fiber pellets that are blown into wall cavities or attics using special pneumatic equipment., or spray foam insulation.

Metal Stud – This exterior wall type uses an extruded steel channel shaped stud in the place of wooden studs. The main difference between wooden stud walls and steel stud walls, other than the material, is the Sole Plate Sole plate (also sill or bottom plate) is the horizontal 2x material at the bottom of a wall system that is fastened to the foundation.A sole plate holds the vertical studs in alignment and attaches them to the foundation. and Top Plate Horizontal 2x material at the top of a wall system that is fastened to the foundation. It holds the vertical studs in alignment and creates space for drop ceiling members or second floor joists to rest. connections which are both metal channels and use Metal Self Tapping Screws Screws with special tips that allow them to be screwed directly into metal without the need for pre-drilling.. The other components that make up the wall assembly are the same as wooden stud walls.

On our first homes in New Orleans, Make It Right used standard wooden stud exterior walls and advanced framing construction. We glued and nailed the exterior sheathing and used spray foam insulation in the interior wall cavity. We tested these walls for impact resistance and they performed much better than standard walls – an essential factor in area where winds reach 130 MPH.

Today we use OSB SIP exterior walls on all our homes. The SIP walls are delivered to our construction site in pre-fabricated panels with rough openings for doors and windows already cut out. OSB SIP walls are easy and fast to construct, well-insulated and stronger than standard wooden stud construction. The panels are lifted into place by a crane and assembled on the floor foundations by the site crew. Using this method, we reduced the time needed to construct the exterior of the home and dry-in The stage of construction during which the roof, windows and doors are installed and all leaks are fixed. At this stage, subcontractors can begin interior finishing (floors, countertops, paint, etc)., which makes the home more affordable.