WALL ASSEMBLY

PANNEAU MURAL

Description

CA 02743974 2011-06-22
WALL ASSEMBLY
FIELD OF THE INVENTION
The present invention relates to construction and more particularly, relates
to a
method for insulating a structure.
BACKGROUND OF THE INVENTION
It is known in the art to manufacture walls or other components of a building
in a
factory with the wall being shipped to the site and subsequently being
assembled to form a
building.
The use of prefabricated walls, ceilings or floors is usually accomplished by
utilizing
insulating wool inside the wall structure. Such an insulating wool, while
providing a degree
of insulation, is not as efficient as it should be in very cold conditions.
It has been proposed in the an to utilize preconstructed walls having urethane
or
plastic foam in between the studs forming the wall. For various technical
reasons, the
urethane foam is of the open cell variety and does not stand up to any abuse.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide an insulating wall
structure and a
method form forming such an insulating wall which achieves a greater
insulating capacity
than is known in the art and which structure is structurally sound and adds to
the integrity of
the building structure.
According to one aspect of the present invention, there is provided a
reinforced wall
structure which comprises a plurality of studs having a closed cell foam, the
closed cell,
foam having a density of between 1.5 and 2.5 lbs, per cu. ft.
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CA 02743974 2011-06-22
BRIEF DESCRIPTION OF THE DRAWINGS
Having thus generally described the invention, reference will be made to the
accompanying drawings illustrating an. embodiment thereof, in which:
Figure 1 is a perspective view of a portion of a wall according to the present
invention.
DETAILED DESCRIPTION OF THE INVENTION
The present invention may be utilized in any suitable wall assembly and/or an
other
structure such as a ceiling structure or a floor structure. The building may
be any requiring a
high degree of insulating including residential, industrial and commercial
buildings. This
description will refer to studs, top plates, bottom plates, and these terms
are not limiting but
rather utilized as conventional in the industry.
As shown in the drawing, there is a conventional wall structure which is
generally
designated by reference numeral 10. Wall structure 10 includes a plurality of
wall studs 12
which extend between a top plate 14 and a bottom plate 16. If desired, a
plurality of spacers
or fire blocks 18 may be utilized between adjacent wall studs 12.
The illustrated embodiment shows an opening for a door and accordingly, there
is
also provided a king stud 20 and trimmer studs 22. A header 24 is provided at
the top of the
opening for the door while gripple studs extend between the header and top
plate.
The illustrated embodiment shows the wall structure 12 being partially
insulated with
closed cell foam 28. This foam is injected into the wall structure 10 prior to
the structure
being utilized to form a building. Normally, one of the walls has a surface
member such as
plywood secured thereto; the foam is injected with a relatively thin cover
being secured to
the other side of the wall structure. It has been found that a plastic may be
utilized with a
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CA 02743974 2011-06-22
non-adhering surface so that it may be easily removed leaving the foam intact.
The volume of the cavity to be filled is calculated and then an appropriate
amount of
urethane foam is injected. The foam is contained by a conventional wall
covering on one
side of the studs and a temporary covering on the other side. Surprisingly, it
has been found
that one does not need to utilize a press which is conventional for closed
cell. urethane
foams. As previously mentioned, the foam, is a closed cell type having a
density of between
1.5 and 2.5 lbs. per cubic foot and most preferably, in the area of
approximately 2 lbs, per
cubic foot.
Preferably the studs are between 4 and 6 inches thick. With, this thickness,
the closed
cell foam will have an R value of between 33 and 47.
It will be understood that the above described embodiment is for purposes of
illustration only and that changes and modifications may be made thereto
without departing
from. the spirit and scope of the invention.
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Representative Drawing