Facade cladding and roofing work cannot be performed without the use of additional elements. These small parts play a very important role, and for a quality installation, you need to know exactly the purpose of each element, the sequence and methods of fastening. Most of them need to be selected on their own, and for an inexperienced person to cope with this is not so easy.
Additional elements for the roof and facade
So, what are these elements, and what are they for?
The term "additional elements" means various types of products that are attached to finishing external coatings - adjoining strips, corner profiles, wind strips, slopes, ridge, valleys other.
Additional elements for flexible tiles (soft roofs) and metal tiles
Complementary elements for roofing, wall panels and siding
They are made, most often, of galvanized steel with a protective polymer coating, and are fixed mainly at the joints of siding, corrugated board, sandwich panels.
The main purpose of these elements is to protect the seams from the penetration of precipitation, dust and debris, in addition, they prevent the escape of heat.
Most of such products, along with protective ones, also perform decorative functions, since without them any coating has an unfinished look. This is especially true for corner profiles, elements located on slopes and breaks of roofs, at window openings. Many of them have non-standard forms, which allows to emphasize the architectural style of the building, to give the building an original and memorable look. In order for the additional elements to be combined with the main finishing material, their coatings correspond to the standard colors of the RAL catalog, and it is not difficult to choose the desired shade.
Depending on the area of application, all additional elements are divided into three types:
True, such a division is considered very arbitrary, since many parts can be used for various types of structures. Each product has its own name and is intended for certain functions, and therefore additional elements are not interchangeable. Let's consider in more detail two types - roofing and facade elements, their properties, purpose, attachment points.
Additional roof elements - the general name of a wide list of parts designed to ensure the operational reliability of the roofing system
Roofing elements installed
Roofing elements are very diverse.
One and the same product can have several configuration options - from simple to the most non-standard, as well as different parameters.The number of products for one roof depends on its design - the more complex the shape of the roof, the more elements are used. In addition to functional details, there are some that are intended solely for decoration.
|One of the main elements of the extension, used on all types of roofs. It closes the joint between the roof slopes from precipitation, wind and debris, provides ventilation of the under-roof space and at the same time performs decorative functions|| A simple ridge is a corner made of galvanized steel with a side of 100-300 mm and edges bent by 15 mm inward. |
There are options with a U-shaped rib, semicircular, complex configuration. Some models have special bird and insect plugs on the edges. It is fastened with self-tapping screws, during installation it is recommended to lay a sealing tape under it
End (wind) strip
|Is an obligatory element of the roof. The plank covers the edges of the sheathing on the gables of the house, providing protection from moisture and gusts of wind. Gives a neat well-groomed look to the overhangs of the slopes|| It is a metal corner, one edge of which is bent inward, the other outward. |
There are options for a non-standard, complex shape. Installed after installing the roofing, but before attaching the ridge. Has a width of about 250-350 mm, the standard length of the product is 2.5 m
| Protective element of the rafter structure. The plank removes moisture from the slopes into the gutters, preventing the edges of the rafter system from getting wet. |
Additionally, the plank hides the cornice board and fasteners, giving the structure a more aesthetic look
|It is made in the form of a corner with sides unequal in width. The total width of the plank is from 200 to 312 mm, the standard length is 2.5 m. It is attached to the roofing screws, at the junction of the planks they are laid with an overlap of at least 100 mm. Installation is carried out on the outer batten board|
| between the slopes on the roof of a complex configuration. |
Provide tightness of joints, serve as guides for moisture removal, give an aesthetic look to corner joints
|Depending on the design, valleys can be mounted under roofing sheets or directly on them. They are made in the form of a metal corner, there are options with a U-shaped rib. The standard width of the upper valley is 300-450 mm, the lower - from 500 to 625 mm|
|Protective elements for joints of roofing with vertical surfaces - parapets, chimneys, as well as ventilation ducts and roof windows||For straight joints, strips in the form of a metal corner are used, for pipes they produce round strips shape, is in the shape of a triangle.The upper strips are mounted on top of the cover, the lower ones are inserted under it. The width of the elements varies between 250-500 mm|
| These elements are designed to prevent avalanche snow. |
Additionally, they distribute the load from precipitation over the entire area
|Snow holders can be lattice, tubular, in the form of corners. They are mounted on roof slopes along the line of support of the rafters on the supporting wall, that is, parallel to the cornices. Arrange them in a checkerboard pattern for more effective snow retention|
Tubular snow holders
Horseshoe snow holder
Transparent snow holder
In addition to the main elements, indicated in the table, other products are used:
Main elements of the gutter system
weather vane on the roof
Copper spiers on the roof
The number and type of elements used directly depends on the complexity of the roof structure, therefore the list of additional parts for each house is compiled separately, after the development of the project.
Siding is most often used for cladding external walls in private houses.
The list of additional elements for siding is wide enough, they are used at various stages of installation, and in order to choose the right parts , you need to first study their main characteristics.
|Name||Purpose of element|
Starting (or starting) bar
|One of the obligatory elements for cladding. Intended for fixing the first siding panel, mounted horizontally at the bottom of the wall or plinth. Length - from 3 m|
|Used as a finishing element anchoring siding under the eaves, holds the top edge of the last panel. Length - from 3 m|
| Purpose - joining lamellas siding on flat surfaces. |
The profile protects the seams from moisture and debris, gives the coating a neat aesthetic appearance. These elements can be simple or complex, which affects the way of installation
|Element for decorating outside corners. Performs both protective and decorative functions, can have both simple and complex shapes|
|May have a simple or complex shape.Complex profiles are used exclusively for decorating the internal corners of the facade, simple ones have a universal purpose and can be used at the joints of eaves|
|Designed to protect seams from water flows, mounted above a window opening or along the line of junction of the bottom panel of the casing with the plinth|
|Designed to decorate the openings of doors and windows, respectively, mounted along their perimeter. Available in standard and wide versions (over 14 cm)|
|Finishing parts for side and top sections of openings|
|A universal element used to decorate openings, protect panel ends, cornice planes, can also replace the finishing strip|
|It is used for fixing the ends of soffits from the outside, for framing the corners of openings|
| These elements are used for filing cornices, canopies and gable overhangs. |
They are solid and with perforations, which provide natural ventilation of the under-roof space
For the exterior finish to look harmonious, all components must be combined with each other in color and texture, and have the same quality coating. The optimal solution is to choose panels and additional elements from one manufacturer.
It is worth purchasing siding and additional elements from one manufacturer
It is very important to think over the installation process in advance, get acquainted with the technology of fastening each element, strictly follow the manufacturer's instructions. Neglecting these rules, especially in the absence of construction experience, will have a negative result.
Facade additional elements
When choosing accessories, be sure to check the integrity of the parts, the absence of defects on the surface, match the color and thickness of the material.
First, you need to make accurate measurements of the facade and calculate the total number of required elements. You also need to take into account that most of the slats are overlapped, and therefore you need to buy the material with a margin of 10% of the total.
Before installing the cladding, prepare the walls, install the battens and insulate the facade with heat-insulating material. The first element from which the cladding begins is the starting bar.
Installation of ebb and starting bar
Installation of the starter plate and the outer corner - scheme
Determine the lowest point of the sheathing and move upwards by 40 mm. Using a level, they transfer marks to the racks of the crate along the entire perimeter.
Step 2. Take the starting bar, apply the upper edge to one of the marks, bait with a self-tapping screw to the rack and check the horizontal level. After that, the self-tapping screw is tightened, but not all the way, but with a small gap - from 0.
8 to 1 mm between the cap and the panel.
Step 3. Having fixed the first bar, proceed to the second and so on. Be sure to make a gap of 6 mm between adjacent strips to compensate for thermal expansion. They also make gaps between the planks at the corners, both internal and external.
Fixing the profile
Mounting the starting plate
Calculation of corner profiles
Angle grinders (grinders)
The angle is fixed strictly vertically. Its upper edge should be 6 mm below the wall joint, and the lower edge should be 20 mm below the edge of the starting plank. Fastening is carried out with self-tapping screws with a step of 20-40 cm vertically. Self-tapping screws need to be screwed in exactly in the center of the holes, so the profile will not deform during thermal expansion.
Instructions for installing profiles on the corners of the house
To connect the corner pieces to each other, you must perform the following steps:
Mounting the outer corner
Step between self-tapping screws no more 20 cm
Installation of inner corner
Facade cladding under the log, photo of the outer corner
After mounting the corner profiles, attach the connecting ones. Their installation is carried out in the same way: they determine the joints of the panels, outline a vertical line using a level, apply a profile and fix it with self-tapping screws through the holes in the perforations to the racks of the crate. If the panels are to be overlapped, the H-profile is not used.
Installation of the connecting profile
Variants of connecting vinyl siding panels
The H-profile is installed on the crate, into which the siding panels are inserted, observing a gap of 5-6 mm
Step 1 . First, take the J-slats and cut them to the height and width of the opening.
Step 2. Insert the side sections, align vertically, then apply the top section and insert the edges of the side profiles into it.
Step 3. Leave 3-5 mm wide gaps at the joints, after which the lower part of the strip is mounted. There should also be gaps on the sides here.
Step 4. A window strip is installed around the perimeter and fixed with self-tapping screws to the crate.
Installation of the finishing siding profile
This part can be fixed immediately, before sheathing , or do it later - before installing the last siding lamella. The bar is applied close to the junction of the wall, the horizontal is checked, and the screws are fixed. When the sheathing is completed, the bottom edge of the last panel is brought into the lock of the previous panel, and the upper edge is placed under the bend of the finishing profile.
Now all that remains is to straighten the panel.
Installation of spotlights
Do-it-yourself installation of spotlights
Roof cornice filing
For spotlights on cornice overhangs, a crate is made of laths 40x60 mm, the distance between which should not exceed 30-40 cm. An F-profile is installed horizontally on the wall above the finishing strip and screwed with self-tapping screws. In parallel to it, a J-profile is mounted on the eaves overhang. The step of fixing both elements is 30-40 cm.
Next, they take the soffit panels, cut them to size, wind the edges alternately into the profiles and screw in the self-tapping screws.
Docking corners can be straight and diagonal, the second method is considered more difficult and requires a certain skill. In both cases, an H-profile or two J-profiles, fastened with back walls, are used to connect the panels.
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