A method and tool for roofing downspout flashing

Abstract

This invention discloses a method for slope finding at roof drain outlets, comprising: (1) roof waterproofing layer construction and placement of isolation layer; (2) selection of slope finding tool with appropriate cross-section; (3) determination of the height of slope change point; (4) installation of steel mesh; (5) fabrication and installation of slope finding tool; (6) setting of internal insert and completion of elevation; (7) construction of steep slope surface and gentle slope surface inside and outside the slope finding tool respectively. This invention also discloses a slope finding tool for the above-mentioned slope finding method. In this technical solution, the slope finding tool is set up and used as a pouring template during construction, which solves the problem of waiting for initial setting before fine finishing when different slope ratios are formed during slope finding, and also avoids problems such as concrete flowing and not fixing due to different slope ratios, realizing one-time pouring and simultaneous finishing, and slope surfaces with different slope ratios can be formed inside and outside the slope finding tool respectively, thereby improving construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of roofing construction, in particular to a method and tool for roofing fall. BACKGROUND

[0002] Roofs are generally divided into pitched roofs and flat roofs according to the size of the slope, but even flat roofs are not absolutely horizontal, but also have a certain slope, only the slope is very small, otherwise the roof will have water accumulation and cannot be drained, causing indoor roof leakage. Therefore, the roof of any building must be built with a certain slope according to the designed drainage direction to organize the drainage of roof rainwater through downspouts to the building and urban rainwater drainage system, and this construction for forming the roof slope is called fall.

[0003] Generally, the slope of the roof is divided into steep slope and gentle slope, wherein the slope ratio of the steep slope within 250mm (or greater than 250mm) around the downspout is at least 5%, and the slope ratio is greater than that of the gentle slope.

[0004] The existing fall technology has the following problems: due to different slope ratios of the roof slope, the fall construction needs to be poured and finished twice, otherwise the concrete will flow and be unstable due to different slope ratios, so the fall construction has to be carried out in batches, resulting in a long construction period. Therefore, there is an urgent need for a new fall method that can avoid the problem of different roof slope ratios, improve construction efficiency, and shorten the construction period. SUMMARY

[0005] The present application provides a method and tool for roofing fall to solve the above-mentioned problems in the prior art.

[0006] To achieve the above-mentioned purpose, the first aspect of the present application provides a method for roofing fall, comprising:

[0007] Step 1: roofing waterproof layer construction and arrangement of isolation layer

[0008] Step 2: selecting a fall tool with a cross-sectional area suitable for the cross-section

[0009] According to the size of the downspout, a fall tool with a cross-sectional area greater than that of the downspout is selected;

[0010] Step 3: determining the height of the slope change point

[0011] Taking the geometric center of the downspout as the center and as the lowest point of elevation, and combining the inner diameter d of the slope finder, the vertical height h1 of the steep slope is calculated according to the steep slope gradient ratio a, and the steep slope point is marked, and then the elevation line is drawn according to the steep slope point, and then the elevation is measured and set according to the gentle slope gradient ratio b from the steep slope point, and a>b;

[0012] Step four: install the steel mesh

[0013] The steel mesh of the protective layer is installed and fixed, and an opening matching the downspout is cut on the steel mesh to ensure that the downspout can penetrate the steel mesh;

[0014] Step five: make and install the slope finder

[0015] The distance from the steep slope point to the steel mesh is measured to obtain the height h2 of the slope finder, and the slope finder is made according to the inner diameter d and the height h2, and the slope finder is fixed on the steel mesh, and the slope finder is coaxially arranged with the downspout;

[0016] Step six: set the insert and complete the elevation

[0017] The insert is blocked at the downspout, the length of the insert is higher than the steep slope point, the starting point is marked on the insert according to the steep slope gradient ratio a, and the elevation line is drawn on the insert according to the starting point;

[0018] Step seven: construction of steep slope and gentle slope in the slope finder

[0019] The elevation line made at the steep slope point in the slope finder is closed with the elevation line on the insert to form a steep slope surface;

[0020] Outside the slope finder, the gentle slope surface is formed according to the gentle slope gradient ratio b according to the steep slope point;

[0021] Step eight: remove the insert

[0022] After the concrete is initially cured, the insert is removed, and the concrete at the downspout is collected;

[0023] Step nine: slope maintenance

[0024] After the concrete is finally cured, water is sprayed for maintenance, and the maintenance time is 7 days.

[0025] Further, the insert is a PVC pipe.

[0026] Further, the steep slope gradient ratio a is 5%, and the gentle slope gradient ratio b is 2%.

[0027] Further, in step eight, the concrete at the downspout is collected with a round trowel.

[0028] The second aspect of the present disclosure provides a slope tool, which is a ring structure, and is used in the method for roofing downspout sloping described above.

[0029] Further, the inner diameter d of the slope tool is greater than or equal to 500 mm.

[0030] Further, a plurality of through holes are formed on the sidewall of the slope tool, and the slope tool is fixed on the steel mesh through a thin wire passing through the through holes.

[0031] Further, the thin wire is a metal wire.

[0032] Further, the through holes are uniformly spaced along the sidewall of the slope tool.

[0033] The advantages and positive effects of the present disclosure are:

[0034] 1. The method for roofing downspout sloping provided by the present disclosure sets a slope tool, which is used as a formwork during construction. The concrete protective layer in the downspout area within the formwork is collected according to a certain steep slope gradient, and the concrete protective layer on the roof outside the formwork is collected according to a certain gentle slope gradient. The two have different sloping gradients. The addition of the slope tool makes it possible to form once during construction. When dealing with different slope ratios, the purpose of one-time pouring and simultaneous collection is achieved. It is not necessary to wait for initial setting before fine collection, and problems such as concrete flowing and not being fixed due to different sloping gradients can also be avoided. The method saves process and forms once to improve construction efficiency. The operation is simple, and the construction effect is excellent.

[0035] 2. The method for roofing downspout sloping provided by the present disclosure can be applied to circular and square downspouts.

[0036] 3. The method for roofing downspout sloping provided by the present disclosure selects a PVC pipe as an inner plug at the downspout, which not only saves materials but also has good tensile strength, compressive strength, and corrosion resistance.

[0037] 4. The method for roofing downspout sloping provided by the present disclosure has a steep slope gradient ratio a of 5% and a gentle slope gradient ratio b of 2%. According to the requirements of slope construction, the roof is built with a certain slope, and reasonable slope design can organize the drainage of rainwater on the roof through the downspout to the rainwater drainage system of the building and the city.

[0038] 5. The method for roofing downspout sloping provided by the present disclosure uses a circular trowel to close the opening, which has the best effect.

[0039] 6. The slope tool provided by the present disclosure has an inner diameter d greater than or equal to 500 mm according to the requirements of slope construction, which ensures the slope length required for steep slope drainage and ensures that rainwater can be normally discharged after construction is completed.

[0040] 7、The slope finding tool is fixed on the steel mesh through the through holes on the side wall of the slope finding tool, so that the slope finding tool is fixed firmly and displacement does not occur, thereby guaranteeing construction quality.

[0041] 8、The slope finding tool is fixed on the steel mesh through the through holes on the side wall of the slope finding tool, so that the slope finding tool is fixed firmly and displacement does not occur, thereby guaranteeing construction quality.

[0042] 9、The slope finding tool is fixed on the steel mesh through the through holes on the side wall of the slope finding tool, so that the slope finding tool is fixed firmly and displacement does not occur, thereby guaranteeing construction quality.

[0043] 10、The technical scheme has the advantages of simple operation, firm connection, simple installation, easy production, safety and reliability. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 is a flow chart of the method for finding the slope of a roof water inlet in the present application;

[0045] Figure 2 is a schematic diagram of the operation according to the method for finding the slope of a roof water inlet in the present application;

[0046] Figure 3 is an enlarged view of Figure 2 ;

[0047] Figure 4 is a sectional view of the operation according to the method for finding the slope of a roof water inlet in the present application;

[0048] Figure 5 is a schematic diagram of the operation according to the method for finding the slope of a roof water inlet in the present application.

[0049] BRIEF DESCRIPTION OF DRAWINGS

[0050] 1、slope finding tool; 101、through hole; 2、downspout; 201、water inlet; 3、steel mesh; 4、insert; 5、steep slope surface; 6、gentle slope surface; P、point of intended slope; S、point of slope; C、point of slope change. DETAILED DESCRIPTION

[0051] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are intended to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0052] In the technical solutions disclosed in this invention application, unless otherwise stated, directional terms such as "upper," "lower," "left," and "right" are generally defined based on the drawing direction of the corresponding figures, while "inner" and "outer" refer to the inner and outer aspects relative to the outline of the component or structure itself. Furthermore, it should be noted that in the description with reference to the figures, the same reference numerals in different figures denote the same elements.

[0053] According to the first aspect of this application, a method for slope-finding a roof drain outlet is provided, such as... Figures 1 to 5 As shown, it includes:

[0054] Step 1: Construction of the roof waterproofing layer and installation of the isolation layer;

[0055] According to the relevant regulations on roof construction techniques, an isolation layer should be installed between the roof waterproofing layer and the protective layer.

[0056] Step 2: Select a slope-finding tool with a suitable cross-section 1

[0057] According to the dimensions of the drain outlet 201 at the end of the drain pipe 2, such as Figure 2 , Figure 3 As shown, a slope-finding tool 1 with a cross-sectional area larger than that of the drain outlet 201 is selected. This technical solution is applicable to both circular and square drain outlets 201: when the drain outlet 201 is circular, the inner diameter d of the slope-finding tool 1 must be at least greater than the diameter of the drain outlet 201; when the drain outlet 201 is square (not shown in the attached drawings of the instruction manual), the inner diameter d of the slope-finding tool 1 must be at least greater than the length of the diagonal of the drain outlet 201.

[0058] Step 3: Determine the height of the slope change point

[0059] The geometric center of the drain outlet 201 is taken as the center of a circle. When the drain outlet 201 is circular, the geometric center is the center of the circle; when the drain outlet 201 is square (not shown in the attached diagram), the geometric center is the intersection of the diagonals of the drain outlet 201. Also, if... Figure 4 As shown, the geometric center point is taken as the lowest elevation point, i.e. the proposed slope point P. Combined with the inner diameter d of the slope finding tool 1, the vertical height h1 of the steep slope is calculated according to the slope formula and the slope ratio a, and the slope change point C is marked. At the same time, the elevation line is drawn according to the slope change point C. Then, the elevation is measured from the slope change point C with the gentle slope ratio b, where a>b.

[0060] Step 4: Install steel mesh 3

[0061] like Figure 3 As shown, the steel mesh 3 is installed and fixed to the protective layer. Before installation, the steel mesh 3 can be padded with blocks. An opening matching the drain outlet 201 is cut on the steel mesh 3 to ensure that the drain pipe 2 can pass through the steel mesh 3.

[0062] Step 5: Make and install the slope finding tool 1

[0063] like Figure 4 As shown, the distance from the slope change point C to the steel mesh 3 is measured to obtain the height h2 of the slope finding tool 1. The slope finding tool 1 is made according to its inner diameter d and height h2, and the slope finding tool 1 is fixed on the steel mesh 3. The slope finding tool 1 is coaxially arranged with the drain outlet 201. The slope finding tool 1 can be fixed on the steel mesh 3 by welding, binding and other methods. This disclosure does not make specific limitations here.

[0064] Step 6: Configure Inner Plugin 4 and complete the elevation settings.

[0065] like Figure 4 As shown, the inner plug 4 is sealed at the drain outlet 201 to ensure that concrete does not fall into the drain pipe 2 during concrete construction. Therefore, the shape of the inner plug 4 must be perfectly matched with the drain outlet 201. The length of the inner plug 4 is higher than the slope change point C. The actual construction start point S is marked on the inner plug 4 according to the steep slope ratio a (because the proposed start point P at the geometric center of the drain outlet 201 has been sealed by the inner plug 4 during construction). An elevation line is drawn on the inner plug 4 according to the start point S. The inner plug 4 can be selected from various suitable workpieces such as tubular, strip, and rod shapes according to the needs of on-site construction. This disclosure does not make specific limitations here.

[0066] Step 7: Construct the steep slope surface 5 and the gentle slope surface 6 inside and outside the slope finding tool 1, respectively.

[0067] The elevation line drawn in the slope finding tool 1 according to the slope change point C and the elevation line on the inner plug-in 4 are connected to form a steep slope surface 5.

[0068] In addition to slope finding tool 1, according to the slope change point C and the gentle slope ratio b, a gentle slope surface 6 is formed;

[0069] Step 8: Remove internal plug-in 4

[0070] After the concrete has initially set, remove the inner insert 4 and collect the concrete at the drain outlet 201.

[0071] Step Nine: Slope Maintenance

[0072] After the concrete has set, water curing will be carried out for 7 days.

[0073] In the above technical solutions, such as Figure 5As shown, the pitch tool 1 is arranged to serve as a formwork during construction, and the concrete protective layer in the area of the downspout 201 in the formwork is finished with a pitch a, and the concrete protective layer on the roof outside the formwork is finished with a pitch b (wherein a > b). The construction method is based on the one-time forming of the concrete finish of the protective layer at the downspout 201 of the roof, that is, the one-time pouring and simultaneous finishing of the work condition, and can avoid problems such as concrete flowing and being unstable due to different pitches, and ultimately achieves the purpose of improving construction efficiency.

[0074] In the embodiment, the inner plug 4 is a PVC pipe, and a tubular member is selected to save materials, and PVC has good tensile and compressive strength and good corrosion resistance, and is a preferred material.

[0075] In the embodiment, the steep slope gradient ratio a is 5% and the gentle slope gradient ratio b is 2% in the related art, and the roof is built with a certain slope according to the pitch construction requirement, and a reasonable slope design can organize the rainwater on the roof to be drained to the rainwater drainage system of the building and the city through the downspout 2.

[0076] In the eighth step in the embodiment, the concrete at the downspout 201 is collected using a round trowel, and the round trowel (not shown in the drawings) has the best effect.

[0077] On the basis of the above technical solution, the patent application also provides a pitch tool 1, which is a ring structure and is used in the pitch method for the downspout of the roof.

[0078] In the embodiment, the inner diameter d of the pitch tool 1 is greater than or equal to 500 mm, and the specification ensures the slope length required by the steep slope drainage in the pitch tool 1, and rainwater can be normally drained after the construction is completed.

[0079] In the embodiment, as shown, Figure 3 A plurality of through holes 101 are formed in the side wall of the pitch tool 1, the pitch tool 1 is fixed on the steel mesh 3 by passing through the through holes 101 using a fine wire (not shown in the drawings), and the fine wire can be selected from a metal wire, a fishing line, a nylon rope, and the like, and the disclosure is not limited in this regard.

[0080] In some embodiments, the fine wire can be a metal wire, and the pitch tool 1 is fixed on the steel mesh 3 using a metal wire (not shown in the drawings), and the metal has high strength, high temperature resistance, and corrosion resistance, and is extremely firm after installation.

[0081] In some other embodiments, as shown, Figure 3 The through holes 101 are uniformly and spacedly arranged along the side wall of the pitch tool 1. Preferably, the through holes 101 can be arranged in four perpendicular directions on the side wall, and the installation effect is best.

[0082] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details of the above-described embodiments. Various simple modifications can be made to the technical solutions of the present application within the scope of the disclosed technical concepts, and these simple modifications all belong to the protection scope of the present application patent.

[0083] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, various possible combinations are not described again in the present application patent.

[0084] In addition, various different embodiments of the present application can also be combined in any appropriate manner, as long as they do not contradict the idea of the present disclosure, and they should also be considered as disclosed in the present application.

Claims

1. A method of sloping a roof scupper, the method comprising: The method comprises the following steps: Step 1: construction of the waterproof layer of the roof and arrangement of the isolation layer; Step 2: selection of a cross-section matching slope finding tool (1) According to the size of the downspout (2) outlet (201), select a slope finding tool (1) with a cross-sectional area larger than the outlet (201); Step 3: determine the height of the slope change point Take the geometric center of the outlet (201) as the center: when the outlet (201) is circular, the geometric center is the center of the outlet (201); when the outlet (201) is square, the geometric center is the intersection of the diagonals of the outlet (201); and the geometric center is the lowest point of the elevation, combined with the inner diameter d of the slope finding tool (1), the vertical height h1 of the steep slope is calculated according to the steep slope gradient ratio a and the slope change point (C) is marked, and the elevation line is drawn according to the slope change point (C), and the elevation is set from the slope change point (C) according to the gentle slope gradient ratio b, and a>b; Step 4: installation of the steel mesh (3) Install and fix the steel mesh (3) of the protective layer, cut an opening on the steel mesh (3) matching the outlet (201) to ensure that the downspout (2) can penetrate the steel mesh (3); Step 5: making and installing the slope finding tool (1) Measure the distance from the slope change point (C) to the steel mesh (3) to obtain the height h2 of the slope finding tool (1), make the slope finding tool (1) according to the inner diameter d and the height h2, and fix the slope finding tool (1) on the steel mesh (3), and the slope finding tool (1) is coaxially arranged with the outlet (201); Step 6: set the insert (4) and complete the elevation Plug the insert (4) at the outlet (201), the length of the insert (4) is higher than the slope change point (C), mark the starting point (S) on the insert (4) according to the steep slope gradient ratio a, and draw the elevation line on the insert (4) according to the starting point (S); Step 7: construction of steep slope surface (5) and gentle slope surface (6) in and out of the slope finding tool (1) The elevation line drawn according to the slope change point (C) in the slope finding tool (1) meets the elevation line on the insert (4), forming a steep slope surface (5); According to the slope change point (C), the gentle slope surface (6) is formed outside the slope finding tool (1) according to the gentle slope gradient ratio b; Step 8: remove the insert (4) After the concrete is initially set, remove the insert (4) and collect the concrete at the outlet (201); Step 9: slope maintenance After the concrete is finally set, water conservation is carried out, and the conservation time is 7 days.

2. The method of flashing a roof scupper of claim 1, wherein: The insert (4) is a PVC pipe.

3. The method of flashing a roof scupper of claim 1, wherein: The steep slope gradient ratio a is 5%, and the gentle slope gradient ratio b is 2%.

4. The method of flashing a roof scupper of claim 1, wherein: In step 8, a circular trowel is used to collect the concrete at the outlet (201).

5. A slope finder tool (1) characterized in that: The slope finding tool (1) is a ring structure, and the slope finding tool (1) is used in the roof outlet slope finding method of any one of claims 1 to 4.

6. A pitch tool (1) according to claim 5, characterized in that: The inner diameter d of the slope finding tool (1) is greater than or equal to 500 mm.

7. A pitch tool (1) according to claim 5, characterized in that: A plurality of through holes (101) are formed on the side wall of the slope finding tool (1), and the slope finding tool (1) is fixed on the steel mesh (3) by passing a filament through the through holes (101).

8. A pitch tool (1) according to claim 7, characterized in that: The filament is a metal wire.

9. A pitch tool (1) according to claim 7, characterized in that: The through holes (101) are uniformly spaced along the side wall of the slope finding tool (1).

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