Author Archive
October 30th, 2009 by snugganut
Today the framing of the second floor began, and measures were taken to provide proper drainage from the building.
Click here to view the entire Nauhaus Prototype Construction Chronology.

Tim uses a custom tool to measure for Hemcrete.

David Madera stopped by to discuss Hemcrete.

A strip drain is placed at the bottom of each wall.

Gravel is shoveled into the Eastern trench.

Wast Wall Framing
Tags: Chapter 7 - Structure, drainage, Framing
Posted in Building Materials, Construction Chronology, Floor Systems, Foundation Systems, Nauhaus Prototype, Resource Management, Systems, Wall Systems, Water, Wood | No Comments »
October 10th, 2009 by snugganut
Today, the concrete slab was scored on a three foot grid, to prevent cracking. David Madera and Greg Flavell of Hemp Technologies also helped us to perform a full-size Hemcrete test.
Click here to view the entire Nauhaus Prototype Construction Chronology.

Scored Concrete Slab

Scored Concrete Slab

Hemcrete Mix

12" Hemcrete Form

Completed Hemcrete Wall
Posted in Building Materials, Building Performance, Concrete, Construction Chronology, Floor Systems, Foundation Systems, Hemcrete, Insulation, Lime, Nauhaus Prototype, Systems, Wall Systems | No Comments »
October 8th, 2009 by snugganut
Today, JBS Construction came back to pour the concrete slab over the vapor barrier.
Click here to view the entire Nauhaus Prototype Construction Chronology.

JBS places a matrix of rebar over the hardened foam.

Concrete Pour in Mechanical Room

Jeff and Jackson Buscher

JBS Smoothing the Slab

Slab at Corner

New Storm Drain

New Box for Replaced Storm Drain
Tags: Concrete, Slab
Posted in Building Materials, Concrete, Construction Chronology, Floor Systems, Foundation Systems, Nauhaus Prototype, Resource Management, Systems, Water | No Comments »
October 7th, 2009 by snugganut
Today, Home Energy Partners came out to spray the closed-cell insulation for the slab and exterior walls.
Click here to view the entire Nauhaus Prototype Construction Chronology.

Advantek sheathing and brick mold are installed first to stop the foam and eventually to support the Hemcrete.

Brick Mold Installation

Home Energy Partners Spraying North Wall

Home Energy Partners Spraying North Wall

Home Energy Partners Spraying Underslab Foam Insulation

Home Energy Partners Spraying Underslab Foam Insulation

Spray Foam Insulation around Ground Loop Stub-out

Spray Foam Insulation on CMU
Tags: insul, Insulation, spray foam
Posted in Air Tightness, Building Materials, Building Performance, Construction Chronology, Energy, Floor Systems, Foundation Systems, Insulation, Nauhaus Prototype, Resource Management, Systems | No Comments »
October 2nd, 2009 by snugganut
Today, another 20 mil. vapor barrier was spread over gravel, in preparation for the insulation and concrete slab.
Click here to view the entire Nauhaus Prototype Construction Chronology.

Drain and Insulation with Gravel

Finished Gravel

Vapor Barrier at CMU

All penetrations through the vapor barrier are carefully sealed.

Finished Vapor Barrier
Tags: Gravel, Vapor Barrier
Posted in Air Tightness, Building Performance, Construction Chronology, Energy, Floor Systems, Foundation Systems, Humidity, Indoor air quality, Insulation, Nauhaus Prototype, Resource Management, Systems | No Comments »