US3192577A - Control joint for building construction - Google Patents

Control joint for building construction Download PDF

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Publication number
US3192577A
US3192577A US277553A US27755363A US3192577A US 3192577 A US3192577 A US 3192577A US 277553 A US277553 A US 277553A US 27755363 A US27755363 A US 27755363A US 3192577 A US3192577 A US 3192577A
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Prior art keywords
member
control
portion
pair
control elements
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Expired - Lifetime
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US277553A
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Barr Thomas Reginald
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United States Gypsum Co
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United States Gypsum Co
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66Sealings
    • E04B1/68Sealings of joints, e.g. expansion joints
    • E04B1/6803Joint covers

Description

July 6, 1965 'r. R. BARR CONTROL JOINT FOR BUILDING CONSTRUCTION 2 Sheets-Sheet 1 Filed May 2, 1963 zvzz/efiiozzfl ,A ,1. [wfifiarv JOHN KENNETZ WISE ATTORNEY July 6, 1965 T. R. BARR 3,192,577

CONTROL JOINT FOR BUILDING CONSTRUCTION Filed May 2, 1963 2 Sheets-Sheet 2 jmjwwfiaw BYJOHN KENNETH WISE ATTORNEY 3,192,577 COQL JGINT FOR BUILDING CGNS'I'RUCTIQN Thomas Reginald Barr, Hinsdale, 111., assignor to United States Gypsum Company, Chicago, BL, a corporation of Elimois Filed May 2, 1963, Ser. No. 277,553 Claims. (Cl. -?2) This invention relates to control joints for exterior and interior building construction. Said control joints are often referred to in the building construction art as expansion joints.

Moisture, thermal, and/ or constitutional changes in building materials, as well as settling or deflecting of supporting structures, may cause cracks to appear in materials such as plaster and the like used to construct interior Walls or ceilings, and, in materials such as Portland cement stucco used to construct exterior walls. Periodic breaks or spaces may be provided in the walls or ceilings, particularly when large surface areas are involved, to allow segments thereof to expand or contract and thereby minimize the tendency for cracks to appear therein, i.e., the spaces provide means for expending forces that tend to cause cracks. It is conventional practice to place control joints at the spaces which coact with ends of said segments when the ends move toward or away from each other, and, it is a general object of this invention to provide an improved control joint that coacts with ends of wall or ceiling segments.

It is another object of this invention to provide a control joint with means to minimize the tendency of ends of wall or ceiling segments to separate from portions thereof.

It is another object of this invention to provide a control joint which freely coacts with said ends.

It is another object to provide means to facilitate application of construction material such as plaster, Portland cement and the like against portions of a control joint whereby a uniform depth of the material may be effected resulting in a uniform wall or ceiling thickness.

It is yet another object of this invention to provide means preventing construction materials from rendering a control joint inoperative during application of the materials against said control joint, said means also enabling an attractive appearance at a position in a wall or ceiling whereat said control joint is operatively placed.

Other objects and advantages will appear from the description, accompanying drawings, and the appended claims.

In the drawings:

FIG. 1 is a perspective view of a fragmentary interior wall showing a control joint and other wall components.

FIG. 2 is a cross sectional view of a symmetrical joint otherwise similar to that shown in FIG. 1.

FIG. 3 is a perspective view of the control joint in FIG. 1.

FIGS. 4, 5, and 6 illustrate, perspectively, other embodiments of the control joint.

Referring to FIGS. 1 and 2, panel supporting wood studs 2i) and 2.2 are spaced apart. Lath panels 24, such as gypsum lath having a paper covering surrounding a plaster core 26, are secured by nails 27 (other type fasteners may be used) to the studs leaving a space between opposing ends of the panels sufficient to allow for an anticipated expansion or contraction of wall segments. Control joint 28 is then secured to stud 22 by driving nails 27 through base portion or flange 30, then through edges of the panels underlying flange 30, and into the stud. Cementitious material 32, gypsum plaster as an example, is applied over the panels and against the control joint, and surface material 34, gauged lime as an example,

United States Patent 0 is applied over the cementitious material. Alternately, stud 22 can be spaced further from stud 20 than is illustrated, and, flange 3% can be secured to panels 24 by staples or otherwise without securing the control joint to stud 22. As illustrated in FIG. 2, another angle member having a flange 30a and upright 58a and another linking member 68a may be provided and connected to key member Sit, thereby efiecting a symmetrical control joint.

It is to be understood that the control joint is not limited for use with materials in the wall construction thus described. Other materials may be used, and as examples, metal studs may be used in place of wood studs, an open metal material such as expanded metal lath may be substituted for the lath panels, and screw fasteners or staples may be used in place of the nails. Moreover, for ceilings, a grid of channels, wire hung from an overlying floor or ceiling, may be used to support expanded metal lath, and, gypsum plaster with a guaged lime coat thereon can be applied to the metal lath. For exterior use, concrete blocks may be spaced apart and the control joints placed at spaces thus provided. Portland cement stucco may be applied to the blocks and against the control joints.

Control joint 28, best seen in FIG. 3, comprises control member 36 adapted for placement in a space between ends of opposing wall segments and adapted for movement of control elements 38 and 46} toward or away from each other in response to movement of said ends toward or away from each other. Control member 36 can be of any trough shaped configuration, examples in cross section of which include a V-shaped configuration as in FIGS. 1, 2, and 3, one that is U-shaped (FIG. 5), and one that is W-shaped (FIG. 6).

Cover members 42 and 44, adapted to cover edges of opposing ends of wall or ceiling segments, extend outwardly and generally in opposite directions from control elements 38 and 40, respectively. Tape 46, masking tape having a pressure sensitive adhesive applied to one surface as an example, is adapted for adherence to said cover members and spans over the control member thereby preventing entrance of the cementitious material and the surface material between the control elements during application of the materials to the control joint which would tend to render the control member inoperative. The tapes are stripped from the cover members after the application thereby unveiling a clean and neat appearing wall whereat control joints are installed.

Of importance are a pair of key members 43 and 50 associated with cover members 42 and 44, respectively. Said key members may be disposed slightly inwardly toward the cover members thereby disposing screed portions 52 and 54 outwardly from the cover members thus preventing undercuts between the screed portions and the cover members tending to hinder the placement and stripping of a tape 4-6. However, the key members should be substantially perpendicularly disposed to the cover members to thereby allow the key members to extend into the cementitious material preventing separation of the material from control element it and upright portion 58 as wall or ceiling segments contract.

The key members are provided with screed portions 52 and 54 which extend above surfaces of the cover members 42 and 44, respectively, the remaining portions of the key members extending below said surfaces. Said screed portions provide gauges or grounds enabling an artisan to apply a uniform depth of Cementitious and surface materials over panels 39. The artisan will firstly trowel Cementitious material 32 over the panels, and will then trowel a thin layer of surface material 34 thereon by moving the trowel against the screed portions.

To secure the control joint through a panel to wood stud 22, or alternately to a panel edge solely, the control m r (I) joint is provided with angle member 56. Said angle member includes upright portion or flange 53 disposed substantially perpendicularly to base portion or flange 39. When stud attachment is desirable, the control joint is secured to wood stud 22 by driving nails 27 through fiange 30, through edges of panels 24 underlying the flange, and into the stud. Nail holes 66 facilitate entrance of the nails through flange 38, and, apertures 62 together with scoops 64 allow the cementitious material to enter through the flange and adhere to the underlying edges of the lath panels. The scoop elements 6 3 face the upright portion 58 of the angle member and when embedded in the set cementitious material 32act to prevent separation of the material 32 from the joint during normal contraction and expansion of the wall and ceiling surfaces. As illustrated in FlG. 2, the scoops 64 are preferably located substantially opposite the key members 4-8 so that they cooperate to maintain the control element in intimate contact with the material 32. Stiffeners 66 may comprise ridge elements extending across the junction of the upright portion 58 and the base portion 38 to effect rigidity of angle member 56 especially important during movement of a troweling against the screed portions during application of the materials 32 and 34 which thereby aids in effecting a uniform depth of the materials over the panels. Alternately, the angle member may be provided with an expanded metal flange 3i? providing openings similar in function to apertures 62 and scoops 64 (not illustrated).

Upright portion 58 is connected to key member 48 by means of linking member 68, excepting in the case of the embodiment in FIG. 4. Said upright portion is disposed angularly from said linking member and may make an acute angle therewith (FIGS. 1, 2, and 3), or may form a right angle therewith (FIGS. 5 and 6). Referring particularly to FIG. 2, said linking members extend inwardly from terminus 7b of key member 48 toward control element 38 thereby allowing cementitious material 32 to extend inwardly toward upright portion 58, past terminus 70, and upwardly to the linking member thereby prevent ing separation of the material from the upright portion as the wall segments contract. Similarly, cementitious material 32 extends inwardly toward control element 49, past terminus 72 of key member 50, and upwardly to the cover member 44 thereby preventing separation of the material from control element 40 as the wall segments contract.

FIG. 4 illustrates an embodiment of a control joint that may be made from plastics or other extrudable material. Upright portion 58 is illustrated as connected substantially at the juncture of control element 38 with cover member 42 thereby obviating the need for a linking member. Fillet portion 74 provides rigidity to the control joint similarly to the rigidity imparted by stiffeners 66' in other embodiments.

The size of the control joints thus described will depend on the use intended. For the use illustrated in FIGS. 1 and 2, lath panels 24 can be about in thickness, cementitious material 32 can be about and surface material 34 can be about A The height of control joint 28 measured from base portion 30 to screed portion 52 and measured parallel to the upright portion can be a about /2" since said height is the ground size of the materials applied over the panels. Other heights are possible and include 7s, and 1", and for these sizes, a width, measured from screed portion to screed portion, can be about As". Moreover, the control joints can be made from any suitable resilient material such as plastics and sheet metal as examples. Alloyed zinc in about a thickness of .014" is suitable for the aforementioned di mensions. 7

While several embodiments of this invention are described and illustrated, it will be understood, of course, that the invention is not to be limited thereto, since modifications may be made, and it is contemplated therefore by the appended claims to cover any such modifications 4 as fall within the true spirit and scope of this invention.

I claim:

1. An integral elongated control joint which comprises:

(1) A centrally disposed portion of generally trough shape defined by a pair of control elements extending divergently from a common apex,

(2) A pair of cover members intermediately located along said control elements, each diverging outwardly from its control element,

(3) Each of said control elements terminating in a screed portion connected to the outer edge of said cover member and located further from the apex of said trough than are said cover members, A

(4) A pair of key members whose first termini are said screed portions and whose other termini lie outwardly of said control elements and intermediate the termini thereof,

(5) At least one linking member connecting a key member to an angle member, the latter consisting of an upright portion located inwardly of said key member and attached to said linking member and a base portion attached to the other margin of said upright portion and forming therewith an angle of approximately 90".

2. An integral elongated control joint having a portion with a cross section generally approximating at least the letters VC in which the letters are joined at their tops,

which comprises:

(1) A pair of control elements extending divergently from an apex to form the V,

(2) A pair of cover members located intermediate said control elements each diverging outwardly from its control element from an upper portion of each leg of the V, i

(3) A C shaped plaster receiving recess defined by a flange, a leg member upturned therefrom and a link member at an acute angle to said leg, said recess being connected to the control element by,

(a) A key member substantially parallel to said leg and extending from said link to the end of the V and (b) A screed portion at the end of the control element at its junction with the key member.

3. An integral elongated control joint which comprises:

(1) A cenerally disposed portion of generally trough shape defined by a pair of control elements extending divergently from a common apex,

(2) A pair of cover members intermediately located along said control elements, each diverging outwardly from its control element,

(3) Each of said control elements terminating in a screed portion connected to the outer edge of said cover member and located further from the apex of said trough than are said cover members,

(4) A pair of key members whose first termini are said screed portions and whose other termini lie outwardly of said control elements and intermediate the termini thereof,

' (5) A pair of linking members each connecting a key member to a respective angle member, the latter consisting of an upright portion located inwardly of said key member and attached to said linking member and a base portion attached to the other margin of said upright portion and forming therewith an angle of approximately 90 degrees.

4. An integral elongated control joint formed from resilient material which comprises:

(1) A centrally disposed portion of generally trough shape defined by a pair of control elements extending divergently from a common apex,

(2) A pair of key members extending from the control elements generally toward said apex and whose termini lie outwardly of said control elements and intermediate the termini thereof,

(3) At least one angle member consisting of an upright portion located inwardly of said key member and having a first margin adjacent thereto and a base portion attached to the other margin of said upright portion and forming therewith an angle of approximately 90, and,

(4) At least one linking member connecting said first margin of said upright portion to the terminus of a key member forming acute angles with said first margin and said key member whereby to define a keying recess for cementitious material.

5. An integral elongated control joint formed from re silient material having a portion With a cross section generally approximating at least the letters VC in which the letters are joined at their tops, which comprises:

(1) A pair of control elements extending divergently from an apex to form the V,

(2) A C shaped plaster receiving recess defined by a flange, a leg member upturned therefrom and a link member at an acute angle to said leg, and

References Cited by the Examiner UNITED STATES PATENTS 6/34 Brown 94-18 X 2/36 Fegles 50434 X 3/39 Lavering 50-346 5/44 Methven 94-18 FOREIGN PATENTS 1/59 Canada. 1/ 5 9 Canada. 4/22 Great Britain.

HARRISON R. MOSELEY, Primary Examiner.

REINALDO P. MACHADO, Examiner.

Claims (1)

1. AN INTEGRAL ELONGATED CONTROL JOINT WHICH COMPRISES: (1) A CENTRALLY DISPOSED PORTION OF GENERALY TROUGH SHAPE DEFINED BY A PAIR OF CONTROL ELEMENTS EXTENDING DIVERGENTLY FROM A COMMON APEX (2) A PAIR OF COVER ELEMENTS, EACH DIVERGING OUTALONG SAID CONTROL ELEMENTS, EACH DIVERGING OUTWARDLY FROM ITS CONTROL ELEMENT, (3) EACH OF SAID CONTROL ELEMENTS TERMINATING IN A SCREED PORTION CONNECTED TO THE OUTER EDGE OF SAID COVER MEMBER AND LOCATED FURTHER FROM THE APEX OF SAID TROUGH THAN ARE SAID COVER MEMBERS, (4) A PAIR OF KEY MEMBERS WHOSE OTHER TERMINI LIE OUTWARDSCREED PORTIONS AND WHOSE OTHER TERMINI LIE OUTWARDLY OF SAID CONTROL ELEMENTS AND INTERMEDIATE THE TERMINI THEREOF, (5) AT LEAST ONE LINKING MEMBER CONNECTING A KEY MEMBER TO AN ANGLE MEMBER, THE LATTER CONSISTING OF AN UPRIGHT PORTION LOCATED INWARDLY OF SAID KEY MEMBER AND ATTACHED TO SAID LINKING MEMBER AND A BASE PORTION ATTACHED TO THE OTHER MARGIN OF SAID UPRIGHT PORTION AND FORMING THEREWITH AN ANGLE OF APPROXIMATELY 90*.
US277553A 1963-05-02 1963-05-02 Control joint for building construction Expired - Lifetime US3192577A (en)

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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672108A (en) * 1968-10-30 1972-06-27 United States Gypsum Co Joint construction
US3871787A (en) * 1973-10-30 1975-03-18 William James Stegmeier Joint structure for concrete materials and the like
US4198176A (en) * 1978-09-22 1980-04-15 Delta National, Inc. Concrete expansion joint forming structure
US4279532A (en) * 1979-06-29 1981-07-21 Acme Flooring Limited Roadway nosing unit
FR2516571A1 (en) * 1981-11-19 1983-05-20 Profimo Expansion joint and seal for two masonry walls - has wall attached rigid profiles joined together at front surfaces
US4651488A (en) * 1986-02-03 1987-03-24 Nicholas John D Expansion joint for plaster walls
US4785601A (en) * 1987-06-26 1988-11-22 Fry Reglet Corporation Plaster control screed
US4825612A (en) * 1987-07-06 1989-05-02 Fry Reglet Corporation Reveal molding and trim structure
US4932183A (en) * 1989-01-19 1990-06-12 Kawneer Company, Inc. Bellows splice sleeve
EP0473393A1 (en) * 1990-08-31 1992-03-04 The Expanded Metal Company Limited Plaster bead
US5423154A (en) * 1993-01-25 1995-06-13 Alabama Metal Industries Corporation Banding Bead
US6751919B2 (en) * 1999-07-19 2004-06-22 Jorge Gabrielli Zacharias Calixto Sealing element for expansion joints
US20060150553A1 (en) * 2005-01-13 2006-07-13 Erenio Reyes Control joint
US20070062137A1 (en) * 2005-09-16 2007-03-22 Vinyl Corp. Screed joints
US20070130861A1 (en) * 2005-12-02 2007-06-14 Gary Chenier Movement control screed
US20070199267A1 (en) * 2004-07-07 2007-08-30 Mageba S.A. Bridging Device
US20080307730A1 (en) * 2007-06-18 2008-12-18 Barry Rutherford Channel screed with fastening clips
US20110271615A1 (en) * 2001-09-17 2011-11-10 Jeffrey Maziarz Stop bead for separating stucco material from a frame of a window or door
US20120240505A1 (en) * 2007-03-09 2012-09-27 Jerry Moscovitch Drywall Apparatus and Method
US8572900B1 (en) * 2010-01-22 2013-11-05 Epic Metals Corporation Decking having a removable rib
US9062453B1 (en) 2013-03-15 2015-06-23 E-Z Bead Llc Expansion/control joint for stucco surfaces
USD800346S1 (en) * 2016-02-05 2017-10-17 Clarkwestern Dietrich Building Systems Llc Control joint with ribbed flanges
USD800345S1 (en) 2016-02-05 2017-10-17 Clarkwestern Dietrich Building Systems Channel reveal with ribbed flanges
USD800344S1 (en) 2016-02-05 2017-10-17 Clarkwestern Dietrich Building Systems Llc Casing bead with a ribbed flange
USD800921S1 (en) 2016-02-05 2017-10-24 Clarkwestern Dietrich Building Systems Llc Framing accessory with a ribbed flange
USD841833S1 (en) 2017-01-09 2019-02-26 Clarkwestern Dietrich Building Systems Llc Channel reveal with ribbed and perforated flanges
USD842496S1 (en) * 2017-01-09 2019-03-05 Clarkwestern Dietrich Building Systems Llc Casing bead with a ribbed and perforated flange
USD842497S1 (en) * 2017-01-09 2019-03-05 Clarkwestern Dietrich Building Systems Llc Control joint with ribbed and perforated flanges
USD843015S1 (en) 2017-01-09 2019-03-12 Clarkwestern Dietrich Building Systems Llc Framing accessory with a ribbed and perforated flange

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB177623A (en) * 1921-03-01 1922-04-06 Christopher Inskip Improved constructional metal plate
US1961580A (en) * 1931-11-14 1934-06-05 John E H Brown Pavement joint
US2029817A (en) * 1932-12-05 1936-02-04 Donald B Fegles Roof covering
US2151605A (en) * 1939-03-21 Expansion joint foe plastic wall
US2349910A (en) * 1941-06-19 1944-05-30 Clyde L Methven Joint construction
CA568862A (en) * 1959-01-13 Combustion Engineering Wall structure with novel expansion joint for cement coating
CA568748A (en) * 1959-01-13 B. Compton Jerry Expansion joint for insulation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA568748A (en) * 1959-01-13 B. Compton Jerry Expansion joint for insulation
US2151605A (en) * 1939-03-21 Expansion joint foe plastic wall
CA568862A (en) * 1959-01-13 Combustion Engineering Wall structure with novel expansion joint for cement coating
GB177623A (en) * 1921-03-01 1922-04-06 Christopher Inskip Improved constructional metal plate
US1961580A (en) * 1931-11-14 1934-06-05 John E H Brown Pavement joint
US2029817A (en) * 1932-12-05 1936-02-04 Donald B Fegles Roof covering
US2349910A (en) * 1941-06-19 1944-05-30 Clyde L Methven Joint construction

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3672108A (en) * 1968-10-30 1972-06-27 United States Gypsum Co Joint construction
US3871787A (en) * 1973-10-30 1975-03-18 William James Stegmeier Joint structure for concrete materials and the like
US4198176A (en) * 1978-09-22 1980-04-15 Delta National, Inc. Concrete expansion joint forming structure
US4279532A (en) * 1979-06-29 1981-07-21 Acme Flooring Limited Roadway nosing unit
FR2516571A1 (en) * 1981-11-19 1983-05-20 Profimo Expansion joint and seal for two masonry walls - has wall attached rigid profiles joined together at front surfaces
US4651488A (en) * 1986-02-03 1987-03-24 Nicholas John D Expansion joint for plaster walls
US4785601A (en) * 1987-06-26 1988-11-22 Fry Reglet Corporation Plaster control screed
US4825612A (en) * 1987-07-06 1989-05-02 Fry Reglet Corporation Reveal molding and trim structure
US4932183A (en) * 1989-01-19 1990-06-12 Kawneer Company, Inc. Bellows splice sleeve
EP0473393A1 (en) * 1990-08-31 1992-03-04 The Expanded Metal Company Limited Plaster bead
US5423154A (en) * 1993-01-25 1995-06-13 Alabama Metal Industries Corporation Banding Bead
US6751919B2 (en) * 1999-07-19 2004-06-22 Jorge Gabrielli Zacharias Calixto Sealing element for expansion joints
US20110271615A1 (en) * 2001-09-17 2011-11-10 Jeffrey Maziarz Stop bead for separating stucco material from a frame of a window or door
US8615944B2 (en) * 2001-09-17 2013-12-31 E-Z Bead Llc Stop bead for separating stucco material from a frame of a window or door
US20070199267A1 (en) * 2004-07-07 2007-08-30 Mageba S.A. Bridging Device
US7757450B2 (en) 2005-01-13 2010-07-20 Dietrich Industries, Inc. Control joint
US20060150553A1 (en) * 2005-01-13 2006-07-13 Erenio Reyes Control joint
US20070062137A1 (en) * 2005-09-16 2007-03-22 Vinyl Corp. Screed joints
US20070130861A1 (en) * 2005-12-02 2007-06-14 Gary Chenier Movement control screed
US8584416B2 (en) 2005-12-02 2013-11-19 Alabama Metal Industries Corporation Movement control screed
US20120240505A1 (en) * 2007-03-09 2012-09-27 Jerry Moscovitch Drywall Apparatus and Method
US20080307730A1 (en) * 2007-06-18 2008-12-18 Barry Rutherford Channel screed with fastening clips
US8572900B1 (en) * 2010-01-22 2013-11-05 Epic Metals Corporation Decking having a removable rib
US9062453B1 (en) 2013-03-15 2015-06-23 E-Z Bead Llc Expansion/control joint for stucco surfaces
USD800346S1 (en) * 2016-02-05 2017-10-17 Clarkwestern Dietrich Building Systems Llc Control joint with ribbed flanges
USD800345S1 (en) 2016-02-05 2017-10-17 Clarkwestern Dietrich Building Systems Channel reveal with ribbed flanges
USD800344S1 (en) 2016-02-05 2017-10-17 Clarkwestern Dietrich Building Systems Llc Casing bead with a ribbed flange
USD800921S1 (en) 2016-02-05 2017-10-24 Clarkwestern Dietrich Building Systems Llc Framing accessory with a ribbed flange
USD841833S1 (en) 2017-01-09 2019-02-26 Clarkwestern Dietrich Building Systems Llc Channel reveal with ribbed and perforated flanges
USD842496S1 (en) * 2017-01-09 2019-03-05 Clarkwestern Dietrich Building Systems Llc Casing bead with a ribbed and perforated flange
USD842497S1 (en) * 2017-01-09 2019-03-05 Clarkwestern Dietrich Building Systems Llc Control joint with ribbed and perforated flanges
USD843015S1 (en) 2017-01-09 2019-03-12 Clarkwestern Dietrich Building Systems Llc Framing accessory with a ribbed and perforated flange

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