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“BUILD PROCESS & FEATURES”

Sovereign 3+ 189  PROJECT

NORTH CANTERBURY, Christchurch NZ.


RESIDENCE

KAIAPOI. NORTH CANTERBURY, Christchurch NZ.


CORNERSTONE

© “Thermaflor”

The first feature of the Cornerstone Eco Homes Building project on the left is the copyright Cornerstone © EPS Polystyrene edge foundation which forms a fully insulated floor slab when the polystyrene under floor slabs of the desired thickness are placed.

©

CORNERSTONE © “Thermaflor”  Development History

The Cornerstone edge beam was originally designed by Mary Ginn of Cornerstone Design & Build Ltd when implementing the “rib raft floor system” in the houses she designed  & built, she saw an area where energy was able to leak out of the structure. She implemented remedies for two areas of heat loss; the edge of the foundation was very obvious therefore the edge foundation beam of polystyrene was designed; the other was where the reinforced concrete ribs formed,when the pods were placed apart to form a concrete beam whereby there was no insulation therefore a thermal bridge to the earth below.  A discussion with the Firth Designer who did not see fit to change their design to add the extra insulation left Mary wanting to address this matter.

Any other systems in the market that replicate this floor system in New Zealand, are simply a copy directly from the  Cornerstone Thermaflor ©design details as being “the only fully insulated slab in New Zealand” to the industry .  The Cornerstone Product is the original, therefore  the “prior art,” not the reverse & covered by copyright design.

ECO FEATURE HOME

CORNERSTONE Patented Structural Insulated Panel SIP

The 200mm Cornerstone Structural Insulated panels (the bones of the dwelling), were used in this project these go up quickly and allow a lock up shell in good time.

Minimum R value 4.3degC/m2 plus cladding.


Tiled roof placed with space left to install Solar panels creating the innovative “Solaroof”©  Building Intergrated Solar Voltaic BISV roof. Copyright Designed a collaborative effort by Mary Ginn & Bryan Watson.

“Mitten Vinyl Weatherboards” were the main cladding of choice for their evironment aspects along with the easy care maintenance. A small section of “Shadowclad” to give the owners the feel of wood they desired. The Mitten cladding has 2omm of EPS Polystyrene which also adds to the insulation values.


The Cathedral ceiling With the client wanting the feel of wood it was decided to include the Cathedral style ceiling using Ecoply to create the nice ambient living area.

The te Wera multi fuel boiler below, is connected to the SV panels & Solar boost regulator, making this home super efficient!