JP2009243187A - Installation structure and installation method for sash frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an installation structure and an installation method for a sash frame capable of preventing a substrate material from being exposed even if a window frame has an increased opening. <P>SOLUTION: A lower substrate angle 30 is attached to the lower side of a skeleton opening section A through a mortar 41. Upper substrate angles 31 are attached to both sides of the upper side of the skeleton opening section A at an interval generally equal to the width of the window frame 2, respectively. A frame 3 comprises vertical frame members 20 secured to the right and left vertical sides of the window frame 2, respectively. Each of the vertical frame members 20 is secured to the upper substrate angle 31 and the lower substrate angle 30 at the upper and lower ends, respectively. An outer wall panel 4 is installed in the area surrounded by the vertical frame members 20 and the upper substrate angle 31 and the lower substrate angle 30. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a sash frame mounting structure and a mounting method in which a sash frame having a frame body mounted on a window frame body is mounted to an RC or SRC housing opening, and in particular, a sash frame formed by joining without welding. The present invention relates to a mounting structure and a mounting method.

Conventionally, in order to efficiently attach a window frame to a reinforced concrete (RC) or steel-framed reinforced concrete (SRC) building frame, a structure in which a sash frame formed by attaching a frame to the window frame is attached to the frame opening is known. It has been. The sash frame is unitized by fixing the window frame body and the frame body at the factory, and the frame body is fixed to the base material attached to the housing opening at the construction site. An outer wall panel made of an ALC panel or a PC panel is provided around the sash frame. As a result, work such as welding can be eliminated at the construction site, and the window frame body can be efficiently attached. Moreover, since welding is not required, the sash frame can be replaced later. An example of such a sash frame mounting structure is disclosed in Patent Document 1.
JP-A-6-299758

  The base material attached to the housing opening has a finding surface facing the outdoor side, and a vertical frame material constituting the frame body is fastened and fixed to the finding surface. In order to secure the fixing strength between the frame body and the base material, the finding surface of the base material needs to have a certain width. In recent years, sashes are required to have as large a window opening as possible. In order to make the window opening as large as possible, the finding surface of the frame material constituting the window frame is formed to be narrow. For this reason, when a sash frame having a window frame is attached to the housing opening to which the base material is attached, the base material cannot be covered by the face of the frame material of the window frame.

  The present invention has been made to solve the above problems, and an object of the present invention is to provide a sash frame mounting structure and a mounting method that does not expose a base material even in a window frame body having a large window opening. And

In order to solve the above-described problems, the sash frame mounting structure according to the present invention is a sash frame mounting structure in which a sash frame is fastened and fixed to an RC or SRC housing opening. In structure
A lower base angle is provided on the lower side of the casing opening through a mortar, and an upper base angle is provided on both sides of the upper side of the casing opening with an interval of approximately the same width as the window frame. ,
The frame body has a vertical frame material fixed to the left and right vertical sides of the window frame body, and the vertical frame material has upper and lower ends fixed to the upper base angle and the lower base angle, respectively, An outer wall panel is attached to a region surrounded by the upper base angle and the lower base angle.

  In the sash frame mounting structure according to the present invention, the upper base angle is formed in a substantially L-shaped cross section, one surface is fixed to the housing opening, and the other surface orthogonal to the fixed surface is downward. While being suspended, the vertical frame member is fastened and fixed to an end portion on the side where the frame body is provided.

  Furthermore, in the sash frame mounting structure according to the present invention, slide parts are provided at the upper and lower ends of the vertical frame member, and the upper base angle and the lower part are slid by sliding the slide part along the vertical frame member. A base angle is sandwiched and fixed with the vertical frame member.

  Furthermore, the sash frame mounting structure according to the present invention is characterized in that a connecting material is provided at the center of the upper side of the window frame body, and the connecting material is fastened and fixed to the housing opening. It is configured.

And the attachment method of the sash frame which concerns on this invention is the attachment method of the sash frame which fastens and fixes the sash frame which fastened and fixed the frame body to the window frame body to the RC or SRC housing opening,
A lower base angle is provided through the lower side of the housing opening, and the gap between the housing opening and the mortar is filled with a level adjustment in the vertical direction,
An upper base angle is provided on both sides of the upper side of the housing opening with an interval of substantially the same width as the window frame, and is fixed.
Fixing the end of the vertical frame material of the sash frame to the lower base angle and the upper base angle;
An outer wall panel is attached to a region surrounded by the vertical frame member, the upper base angle, and the lower base angle.

  According to the sash frame mounting structure of the present invention, a lower base angle is provided on the lower side of the housing opening via a mortar, and the upper side of the housing opening has an interval of approximately the same width as the window frame. The upper base angle is provided on both sides, and the upper and lower ends of the vertical frame material of the frame body are fixed to the upper base angle and the lower base angle, respectively. Even if it is made thinner, the base material can be prevented from being exposed.

  Further, according to the sash frame mounting structure according to the present invention, the upper base angle is formed in a substantially L-shaped cross section, one surface is fixed to the housing opening, and the other surface orthogonal to the fixed surface is suspended downward. At the same time, the vertical frame member is fastened and fixed to the end portion on the side where the frame body is provided, so that the connection strength between the vertical frame member and the upper base angle can be sufficiently secured.

  Furthermore, according to the sash frame mounting structure according to the present invention, the upper and lower end portions of the vertical frame member are provided with slide parts, and the upper base angle and the lower base angle are obtained by sliding the slide parts along the vertical frame member. By holding and fixing between the vertical frame material and the vertical frame material, there is no need to use a fastener to connect the vertical frame material and each base angle, and no hole for inserting the fastener into the vertical frame material is formed. Therefore, work efficiency at the construction site can be improved.

  Furthermore, according to the sash frame mounting structure according to the present invention, a connecting member is provided at the center of the upper side of the window frame, and the connecting member is fastened and fixed to the housing opening, thereby providing the window frame. When the horizontal width of the body is large, the window frame body can be prevented from being deformed.

  According to the sash frame mounting method according to the present invention, the lower base angle is provided in the lower side of the housing opening so as to adjust the level in the vertical direction, and the gap generated between the housing opening and the housing opening is made with mortar. The edge of the vertical frame material that the sash frame has on the lower base angle and the upper base angle, with the upper base angle on the upper side of the opening of the housing, provided on both sides with the same width as the window frame and fixed respectively. By fixing the section and attaching the outer wall panel to the area surrounded by the vertical frame material and the upper base angle and the lower base angle, the base material is exposed even if the window frame is enlarged and the upper frame of the window frame body is narrowed You can prevent it from happening.

  Embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, the front view of the housing opening A to which the sash frame 1 in this embodiment was attached is shown. This figure is the figure which looked at the housing opening part A from the outdoor side. As shown in FIG. 1, the sash frame 1 of the present embodiment is provided with a window frame body 2 having a vertical width extending from the lower end of the housing opening A to the substantially entire length of the upper end. That is, the sash provided in this embodiment is a sweep window.

  The window frame body 2 is configured by an upper frame 10, a lower frame 11, and left and right vertical frames 12, 12 being framed in a rectangular shape. The inner frame 13 and the outer frame 14 are housed in the window frame 2 so that the inner frame 13 and the outer frame 14 can run in the window frame 2. An ALC panel 4 is provided on each side of the window frame 2 as an outer wall panel. In this embodiment, an ALC panel is used as the outer wall panel, but a PC panel may be used.

  FIG. 2 shows a rear view of the housing opening to which the sash frame is attached. That is, FIG. 2 is a view of the housing opening viewed from the indoor side. As shown in FIG. 2, the sash frame 1 includes a window frame body 2 and a frame body 3, and the frame body 3 is fastened and fixed to a lower base angle 30 and an upper base angle 31 that are attached to the housing opening A. As a result, it is fixed to the housing opening A.

  The frame body 3 is formed by arranging two vertical frame members 20, 20 with an interval in the left-right direction of the window frame body 2, and the vertical frame members 20 each constitute a vertical frame 12 constituting the window frame body 2. It is fixed against.

  The lower base angle 30 attached to the housing opening A extends along the lower side of the housing opening A over the length of the lower side of the window frame body 2 and the ALC panel 4 provided in the periphery thereof. It is provided in the shape. On the other hand, the upper base angle 31 is provided on both sides along the upper side of the housing opening A with substantially the same width as the window frame 2, and the ALC provided around the window frame 2. The panel 4 is formed to have substantially the same length. The vertical frame member 20 of the frame body 3 is fixed to the lower base angle 30 and the upper base angle 31 at the upper and lower ends, respectively.

  The attachment structure of the sash frame 1 will be described in more detail. FIG. 3 is a longitudinal sectional view of the sash frame 1 attached to the housing opening A, and FIG. 4 is an enlarged view of the vicinity of the longitudinal frame member 20 in the transverse sectional view of the sash frame 1 attached to the housing opening A. Each is shown. As shown in FIG. 3, hollow portions 10 a and 11 a are formed in the upper frame 10 and the lower frame 11 of the window frame body 2 in order to improve the strength of the window frame body 2 and prevent twisting.

  The upper frame 10 of the window frame 2 is opposed to the inner peripheral surface of the casing opening A with a predetermined interval, and the gap therebetween is filled with the joint material 40. Further, a connecting member 22 having a substantially L-shaped cross section is provided at the center in the left-right direction of the upper frame 10, and the upper frame 10 is fixed to the connecting member 22. The connecting member 22 has a housing fixing surface 22a that abuts on the inner peripheral surface of the housing opening A, and a finding surface 22b that hangs downward from the indoor end of the housing fixing surface 22a. It is fixed to the inner peripheral surface of the housing opening A by a fastener 24 comprising a bolt and a nut. Further, the interior surface of the upper frame 10 is in contact with the finding surface 22b of the connecting member 22, and is fixed by screwing.

  On the outdoor side of the joint material 40, a seal material 46 is provided between the upper frame 10 and the housing opening A, and an outer wall material 44 is attached so as to cover the housing opening A. A frame member 43 and an inner wall member 45 are provided on the indoor side of the upper frame 10 to cover the inner peripheral surface of the housing opening A. Further, a heat insulating material 42 is provided so as to extend along the inner peripheral surface of the housing opening A from the indoor surface of the upper frame 10.

  The lower frame 11 of the window frame 2 is fixed to the lower base angle 30 with screws. The lower base angle 30 has a substantially L-shaped cross section with a fixed surface 30a facing the inner peripheral surface of the housing opening A and a finding surface 30b extending upward from the indoor end of the fixed surface 30a. A gap between the surface 30 a and the housing opening A is filled with mortar 41. Fasteners 32 made up of bolts and nuts are provided on the fixing surface 30 a, and the lower base angle 30 is fastened and fixed to the housing opening A via the mortar 41 by reaching the housing opening A.

  The inner surface of the lower frame 11 is fixed to the finding surface 30 b of the lower base angle 30 with screws. A sealing material 46 is provided between the outer end of the lower frame 11 and the mortar 41, and a frame material 43 and an inner wall material 45 are provided on the indoor side of the lower frame 11. Covers the circumference. Further, a heat insulating material 42 is provided along the inner peripheral surface of the housing opening A from the inner surface of the lower frame 11.

  As shown in FIG. 4, the vertical frame 12 of the window frame body 2 is fixed to the vertical frame material 20 constituting the frame body 3. The vertical frame member 20 is formed in a substantially U-shaped cross section, and the vertical frame 12 is fixed to the inner peripheral surface and the outdoor surface by screws. The ALC panel 4 is disposed on the opposite side of the vertical frame member 20 to the window frame 2, and a heat insulating material 42 is provided from the indoor surface of the vertical frame member 20 to the indoor surface of the ALC panel 4.

  A step 4a is formed on the surface of the ALC panel 4 facing the window frame 2 so that the outdoor side portion is close to the vertical frame 12 side. A sealing material 46 is provided between the surface of the outdoor portion of the ALC panel 4 and the outer peripheral surface of the vertical frame 12. An outer wall material 44 is provided so as to cover the ALC panel 4 from the seal material 46 to the outdoor side. A frame member 43 and an inner wall member 45 are provided on the indoor side of the vertical frame 12 so that the ALC panel 4 and the vertical frame member 20 are not exposed to the indoor side.

  Next, a connection structure between the frame body 3 and the lower base angle 30 and the upper base angle 31 will be described. FIG. 5 is a front view showing the connection structure of the frame body 3, the lower base angle 30, and the upper base angle 31, and FIG. 6 shows the connection structure of the frame body 3, the lower base angle 30, and the upper base angle 31. Each side view is shown. In these drawings, the joint material 40, the mortar 41, and the like are omitted. As shown in these drawings, the vertical frame member 20 constituting the frame body 3 is fastened and fixed to the upper base angle 31 and the lower base angle 30 at the upper and lower ends, respectively.

  The upper base angle 31 is provided only outside the region where the window frame 2 is disposed as described above. As shown in FIG. 6, the upper base angle 31 is a cross section of a housing fixing surface 31 a that abuts the inner peripheral surface of the housing opening A and a finding surface 31 b that hangs downward from the indoor end of the housing fixing surface 31 a. It is formed so as to have a substantially L shape, and the end face 31 b abuts against the indoor surface of the vertical frame member 20 at the end. And both are fastened and fixed by the fastener 33 which consists of a volt | bolt and a nut. Similarly, the lower base angle 30 is in contact with the interior surface of the vertical frame member 20 on the finding surface 30 b and is fastened and fixed by a fastener 33.

  Here, in order for the upper base angle 31 to be securely fixed by the vertical frame member 20 and the fastener 33, the finding surface 31 b needs to be somewhat wide, and the lower end surface constitutes the window frame 2. It is located below the lower end surface of the upper frame 10. However, the upper base angle 31 is provided on both sides with an interval of approximately the same width as the window frame 2, and is not provided in the region where the window frame 2 is disposed. Even if the upper frame 10 is formed thin, the upper base angle 31 can be prevented from being exposed. That is, the upper frame 10 can be thinned to make the window opening as large as possible.

  Note that the lower frame 11 constituting the window frame 2 needs to withstand the load of the inner and outer obstacles 13 and 14, and therefore has a larger finding surface than the upper frame 10. Therefore, the lower base angle 30 can be completely hidden by the lower frame 11 and can be provided over the region where the window frame 2 is disposed.

  In FIG. 7, the longitudinal cross-sectional view of the part which has arrange | positioned the ALC panel 4 is shown. As shown in this figure, the ALC panel 4 has an inner surface abutting against the finding surface 31b of the upper base angle 31 at the upper end, and the mounting bracket 35 bolted to the ALC panel 4 is located on the upper base angle 31. The ALC panel 4 is fixed to the upper base angle 31 by overlapping with 31b. In addition, the ALC panel 4 has an inner surface abutting against the finding surface 30b of the lower base angle 30 at the lower end, and a mounting bracket 35 that is bolted to the ALC panel 4 overlaps with the finding surface 30b of the lower base angle 30. The ALC panel 4 is fixed to the lower base angle 30, and the lower surface of the ALC panel 4 is supported by the fixing surface 30 a of the lower base angle 30 via the spacer 34 and fastened and fixed by a fastener.

  The fixing of the vertical frame member 20 to the lower base angle 30 and the upper base angle 31 is not limited to the fixing by the fastener 33. FIG. 8 is a perspective view showing another example of the fixing structure for the lower base angle 30 of the vertical frame member 20 and showing a state before fixing, and FIG. 9 is a perspective view showing a state after fixing, respectively. Show. As shown in FIG. 8, a long hole 20 a is formed in the lower portion of the indoor surface of the vertical frame member 20, and a slide component 23 is provided along the inner surface of the vertical frame member 20.

  The slide component 23 has a holding portion 23 a formed at the lower end portion of the indoor surface so as to be on the outdoor side of the other portion of the indoor surface that contacts the indoor surface of the vertical frame member 20. Further, the lower end portion of the vertical frame member 20 is cut away except for the interior surface. The slide component 23 has a screw hole 23a that matches the long hole 20a of the vertical frame member 20. A screw (not shown) is inserted into the screw hole 23a and the long hole 20a, so that the slide component 23 is long. It can slide up and down by the length of the hole 20a.

  As shown in FIG. 9, when the slide component 23 is slid downward, the clamping portion 23 a is disposed on the outdoor side of the finding surface 30 b of the lower base angle 30. The lower end portion of the indoor surface of the vertical frame member 20 is in contact with the indoor side of the finding surface 30b, and the lower base angle 30 is formed between the holding portion 23a and the indoor surface of the vertical frame member 20 as the slide component 23 slides. Will be pinched. As a result, the vertical frame member 20 and the lower base angle 30 are connected.

  In this manner, the lower base angle 30 is sandwiched between the slide component 23 and the vertical frame member 20, and the vertical frame member 20 and the lower base angle 30 are fixed, so that the fastener 33 is attached to the lower base angle 30. There is no need to form a hole for insertion, and the mounting operation can be simplified. The fixing structure for the upper base angle 31 can be the same.

  The attaching operation to the housing opening A of the sash frame 1 of the present embodiment is performed according to the following procedure. The sash frame 1 is unitized in the factory by integrating the window frame body 2 and the frame body 3 in advance. At the construction site, first, an upper base angle 31 and a lower base angle 30 are attached to the upper side and the lower side of the housing opening A, respectively.

  As described above, one lower base angle 30 is provided in the lower side of the housing opening A, and is arranged so as to have a predetermined interval with respect to the inner peripheral surface of the housing opening A. After adjusting the level in the vertical direction by 32, it is fastened and fixed to the housing opening A. When the lower base angle 30 is fastened and fixed, the gap formed between the inner peripheral surface of the housing opening A and the fixed surface 30a is filled with the mortar 41. As described above, two upper base angles 31 are provided on both sides of the upper side of the casing opening A with the same width as that of the window frame 2, and with respect to the inner peripheral surface of the casing opening A. It is fastened and fixed directly by the fastener 32.

  Subsequently, the upper and lower ends of the vertical frame member 20 of the sash frame 1 are fastened and fixed to the fixed lower base angle 30 and upper base angle 31, respectively. As a result, the sash frame 1 is fixed to the housing opening A. After the sash frame 1 is attached, the ALC panel 4 is attached to a region surrounded by the vertical frame member 20, the upper base angle 31, and the lower base angle 30, and fastened and fixed by a fastener 33.

  Next, a second embodiment of the present invention will be described. In FIG. 10, the front view of the housing opening part A to which the sash frame 1 in 2nd Embodiment was attached is shown. This figure is the figure which looked at the housing opening part A from the outdoor side. As shown in this figure, the sash frame 1 of the present embodiment is provided with a window frame 2 having a vertical width extending from an intermediate position in the vertical direction of the housing opening A to the upper end. That is, the sash provided in this embodiment is a waist window. Note that the configuration of the window frame 2 is the same as that of the first embodiment except that the width in the vertical direction is different, and thus the description thereof is omitted.

  FIG. 11 shows a rear view of the housing opening A to which the sash frame 1 is attached. That is, FIG. 11 is a view of the housing opening as viewed from the indoor side. The frame body 3 constituting the sash frame 1 is composed of left and right vertical frame members 20 and a horizontal frame member 21 passing between the left and right vertical frame members 20 at the position of the lower side of the window frame body 2. Between the horizontal frame member 21 and the lower side of the housing opening A, the ALC panel 4 is disposed.

  The housing opening A is provided with a lower base angle 30 on the lower side and an upper base angle 31 on the upper side. In the present embodiment, similarly to the first embodiment, the lower base angle 30 extends along the lower side of the casing opening A over the length of the lower side of the window frame body 2 and the ALC panel 4 provided around it. A book is provided in a loop. On the other hand, the upper base angle 31 is provided on both sides along the upper side of the housing opening A with substantially the same width as the window frame 2, and the ALC provided around the window frame 2. The panel 4 is formed to have substantially the same length. The vertical frame member 20 of the frame body 3 is fixed to the lower base angle 30 and the upper base angle 31 at the upper and lower ends, respectively.

  FIG. 12 shows an enlarged longitudinal sectional view of the vicinity of the window frame 2 in which the sash frame 1 is attached to the housing opening A. The mounting structure here is substantially the same as in the first embodiment, except that the lower side of the window frame 2 is fixed to the horizontal frame member 21 of the frame body 3 instead of the frame opening A. Yes.

  The horizontal frame member 21 is formed such that the panel fixing surface 21a and the frame fixing surface 21b have a substantially L-shaped cross section. The panel fixing surface 21 a abuts against the indoor surface of the ALC panel 4 and is fixed by the mounting bracket 35. The lower frame 11 of the window frame 2 is fixed to the frame fixing surface 21b of the horizontal frame member 21 with screws. A heat insulating material 42 is provided from the indoor surface of the lower frame 11 to the indoor surface of the ALC panel 4, and is further covered with a frame material 43 and an inner wall material 45 provided on the indoor side of the lower frame 11.

  The attachment method of the sash frame 1 of this embodiment is substantially the same as that of the first embodiment. The sash frame 1 is unitized in advance in the factory, and first, on the construction site, first on the upper side and the lower side of the chassis opening A, respectively. An upper base angle 31 and a lower base angle 30 are attached. The upper base angle 31 is directly fixed to the housing opening A, and the lower base angle 30 is fastened and fixed to the lower side of the housing opening A after adjusting the level in the vertical direction. The mortar 41 is used to fill the gap generated in Subsequently, the upper and lower ends of the vertical frame member 20 of the sash frame 1 are fastened and fixed to the fixed lower base angle 30 and the upper base angle 31, respectively, and the vertical frame member 20, the upper base angle 31 and the lower base angle 30 are fixed. The ALC panel 4 is attached to the region surrounded by the vertical frame member 20 and the region surrounded by the horizontal frame member 21 and fastened by the fastener 33.

  As mentioned above, although embodiment of this invention was described, application of this invention is not restricted to these embodiment, It can apply variously within the range of the technical idea.

It is a front view of the housing opening part to which the sash frame in 1st Embodiment was attached. It is a rear view of the housing | casing opening part to which the sash frame was attached. It is the longitudinal cross-sectional view which attached the sash frame to the housing opening part. It is an enlarged view of the vertical frame material vicinity among the cross-sectional views which attached the sash frame to the housing opening part. It is a front view showing the connection structure of a frame body, a lower base angle, and an upper base angle. It is a side view showing the connection structure of a frame body, a lower base angle, and an upper base angle. It is a longitudinal cross-sectional view of the part which has arrange | positioned the ALC panel. FIG. 12 is a perspective view showing another example of a fixing structure for a lower base angle of a vertical frame member and showing a state before fixing. It is a perspective view showing the state after fixation of FIG. It is a front view of the housing opening part to which the sash frame in 2nd Embodiment was attached. It is a rear view of the housing | casing opening part to which the sash frame was attached. It is the longitudinal cross-sectional view which attached the sash frame to the housing opening part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sash frame 2 Window frame body 3 Frame body 4 ALC panel 10 Upper frame 11 Lower frame 12 Vertical frame 13 Inner child 14 External obstacle 20 Vertical frame material 21 Horizontal frame material 22 Connecting material 23 Slide component 30 Lower base angle 31 Upper base angle 31a Frame fixing surface 31b Finding surface 41 Mortar

Claims (5)

In a sash frame mounting structure in which a sash frame in which a frame body is fastened and fixed to a window frame body is fastened and fixed to an RC or SRC housing opening,
A lower base angle is provided on the lower side of the casing opening through a mortar, and an upper base angle is provided on both sides of the upper side of the casing opening with an interval of approximately the same width as the window frame. ,
The frame body has a vertical frame material fixed to the left and right vertical sides of the window frame body, and the vertical frame material has upper and lower ends fixed to the upper base angle and the lower base angle, respectively, An attachment structure for a sash frame, wherein an outer wall panel is attached to a region surrounded by an upper base angle and a lower base angle.   The upper base angle is formed in a substantially L-shaped cross section, one surface is fixed to the housing opening, the other surface orthogonal to the fixed surface is suspended downward, and the side on which the frame body is provided The sash frame mounting structure according to claim 1, wherein the vertical frame member is fastened and fixed to an end portion.   Slide parts are provided at the upper and lower ends of the vertical frame material, and the upper base angle and the lower base angle are clamped and fixed between the vertical frame material by sliding the slide parts along the vertical frame material. The sash frame mounting structure according to claim 1, wherein:   The connection part is provided in the center part on the upper side of the window frame, and the connection member is fastened and fixed to the housing opening. Sash frame mounting structure. In a sash frame mounting method for fastening and fixing a sash frame in which a frame body is fastened and fixed to a window frame body to a RC or SRC housing opening,
A lower base angle is provided through the lower side of the housing opening, and the gap between the housing opening and the mortar is filled with a level adjustment in the vertical direction,
An upper base angle is provided on both sides of the upper side of the housing opening with an interval of substantially the same width as the window frame, and is fixed.
Fixing the end of the vertical frame material of the sash frame to the lower base angle and the upper base angle;
A method for attaching a sash frame, comprising: attaching an outer wall panel to a region surrounded by the vertical frame member, an upper base angle, and a lower base angle.

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