Ventilation passage node through the roof

Maintaining a healthy and functional home environment requires an understanding of how ventilation passages through a roof function. The purpose of these openings is to let air freely enter and exit the attic, controlling the humidity and temperature inside. Inadequate ventilation contributes to the accumulation of moisture, which eventually breeds mold and damages structures.

Ventilation passages through the roof are usually made up of multiple important parts. These include air intake and exhaust vents that are thoughtfully positioned along the roofline or close to the ridge. While exhaust vents are typically placed close to the roof’s peak, intake vents are typically found along the eaves or soffits. With this configuration, there is a constant air flow that lowers condensation in the winter and helps to cool the attic in the summer.

The layout and design of ventilation passages affect how effective they are. To replace the old, humid air in the attic with new outdoor air, there must be enough airflow. By minimizing heat buildup beneath the roof, this circulation not only improves the quality of air inside buildings but also prolongs the life of roofing materials.

Ventilation passages must be installed correctly for them to function. Properly positioned and debris-free vents maximize airflow throughout the attic area. Maintaining the efficiency of vents and extending the life of your roof both benefit from routine maintenance, such as cleaning them and looking for damage.

Importance: Allows proper air circulation to prevent moisture buildup and heat retention, preserving the roof"s integrity.
Components: Includes vents, baffles, and insulation to ensure efficient airflow without compromising energy efficiency.

What is it and why it is needed?

The passage node, also known as the UP for short, is mounted on the roof and comes in a variety of designs, even though they are essentially the same. It functions as an aerator and is employed in the forced and spontaneous transfer of tainted air from buildings to the open space.

Diagrammatic representation of the roof-through passage nodes

Speaking of which, Regulations state that the interior air temperature cannot be higher than 80 degrees, and the relative humidity is 60%. The gas-air mixture in this instance ought to be chemically inert. The purpose of the ventilation systems, whose output is nearly always found on the roof, is to enhance the indoor air quality indicators.

Nodes for roof ventilation

The aisle nodes can be fixed to the roofing material directly or on specially designed reinforced concrete glasses. Their size and shape are greatly influenced by the kind of roof covering, the qualities and thickness of the materials used to make a roof pie, and the kind of ventilation system that is installed. The latter will be selected based on the conditions that will be established within the operated premises; factors such as the level of humidity, dustiness, gas content, etc., are taken into consideration. D.

A glass installation (a passage node) for VKRV-do and VKRS-Doe fans on a square cross-section

The production of passage nodes is done in compliance with GOST 15150 specifications. The following are the elabox’s fundamental requirements:

  • the thickness of the metal from which it is made is at least 1.9 mm;
  • The diameter of the round part of the element is 10-12.5 cm. If the UP has a square section, then the dimensions can be any;
  • The surface should be treated with anti-corrosion compounds-usually the primer GF-021;
  • The size of the ring of the caps should be larger than the diameter of the pipes;
  • The maximum length of the entire design of the passage node cannot exceed 1 m without taking into account the valve for the electric drive.

The passage node’s measurements

These penetrations are mostly utilized for ventilation systems that are constantly active.

GOST 15150. equipment, machinery, and other technical goods. Versions tailored to various climate zones. Click the link to open the PDF file in a new window. Categories, operating, storage, and transportation conditions regarding the effects of climatic factors of the external environment are available for download.

The structure of the node and the ventilation system itself

The ventilation system consists of pipes that assist in removing contaminated or heated air from the building’s interior and out onto the street. Regarding the production facilities, better air circulation is needed there, and this is accomplished by attaching a unique, strong fan to the system. The ventilation system should be more complex and powerful in larger rooms.

The design of the ventilation node in the roof passage allows for the reliable sealing of the roof and prevents contaminated air from entering the atmospheric precipitation subsidiary space, in addition to allowing the removal of contaminated air outward. Any passage node has a hole drilled in the roof to the appropriate diameter, into which is inserted a pipe that is connected to a unique concrete cup that is fixed to the floor. Anchors hold it fixed to the ground. The same method of fastening is applied to metal roofs, but a comparable metal is used in place of the durable glass that is equipped.

Campaign’s knot through the roof

The supporting ring, which is a part of the passage node’s structure as well, will enable the structure to be firmly adjusted to the roof’s surface. The connecting flanges will help to better fix it; the upper one supports the ventilation umbrella shielding the pipe from precipitation from the duct, while the lower one is mounted on the duct. Condensate is also removed from the pipe by installing a special ring inside of it.

Phases involved in installing a flexible passage node

Types UP

There are many different types of passage nodes available for purchase. Their designs and other characteristics are different.

The passage’s round node

Types of passage nodes in a table.

Valve and Calp

Whether to use extra insulation or not

Both automated and mechanical

Ventilation system installation goes through the roof.

All UPs have a special marking that allows you to better understand the assortment of equipment. It looks like a letter and digital designation-for example, UP1-01. The last two numbers that go after the letter designation demonstrate the size of the structure. They can vary from 01 to 10. As for the first digit, it shows the design features of the product. For example, the unit reports that the system is not equipped with a valve and a condensation ring. The deuce reports that there is also no condensate ring, but there is a mechanical valve. The three after letters says that the design has both a ring and a mechanical valve. But in products of this type, subsequent numbers will vary from 11 to 22, also reporting on the size of the structure.

Eleven Ventuzlov sizes are currently produced by the industry, including ones for corrugated board and folding roof ventilation. Non-standard UP options are made for the original ventilation system and aerator structures.

Speaking of which, If required, UP can be made based on the customer’s size. Speak with the manufacturer directly to accomplish this.

Nodes that are square and rectangular on the roof

Prices for various types of ventilation outputs

Ventilation output

Features of installation

If you follow all the instructions and requirements, installing the passage nodes is fairly easy. However, it necessitates the application of specific guidelines and regulations:

  • The assembly of the node on the roof is carried out last after the creation of the entire ventilation structure;
  • It is important to correctly determine the air duct output point. Usually it is in the area of ​​the skate between two neighboring rafters;
  • It is recommended to use the template, in size slightly larger than the size of the UP to reduce the risk of mistakes during marking to create a hole on the roof material;
  • It is important to work carefully, especially carefully, work should be carried out on a roof of solid materials – there is a great risk of making a incorrigible error;
  • To seal the junction between the tooth and the roof, it is important to use sealants.

Designating the metal tile’s eventual hole

Speaking of which, Installing the mount securely is impossible with some roofing materials, like dense, wavy slate or tiles. In this instance, you will have to work with the supporting part to create a sleeve. Additionally, she will need to drill the hole and place the waterproofing material beneath the support. The passage knot is mounted only after that. Under roofing material, rubber seal is put in place and sealed with sealant.

The process of installing elaster on a concrete roof is essentially the same as it is on another kind of roof. Only now, instead of needing to be carved out of concrete, the holes will be provided during the structure’s design phase. Here, a plastic sleeve is used, and it is placed into the hole that has been prepared. Since hermetization is more challenging, it is advised to cap the node to keep moisture out of all the joints.

Installation of a ventilation unit

Think about the process involved in installing the passage’s node on the solid-material roof.

Step 1: The cardboard is cut into the shape of the passage node’s pipe. It is best to create the template right away with this margin since the final hole needs to be two to three centimeters bigger than the pipe’s diameter. Next, a location for the ventilation system is chosen; ideally, this location should be between the rafters and not too far from the roof skate, taking into account the location of the entire ventilation system. After applying the template to the roofing material and circling it with a marker, the marking is delayed.

A marker is used to circle the template.

Step 2: Next, the hole is drilled inside the outline of the marking that has been applied to the roofing material. Through it, a cutting tool canvas is presented. Next, a hole is carved out of the marking beneath the passage node.

You can now begin cutting.

Below the passage node, a hole is drilled.

Step 3: Through the created hole, additional materials beneath the roof are removed. This includes the crate’s components, a heater, and waterproofing material. The marking is applied directly to these materials using the previously used template, which makes work more convenient. A portion of the roofing material may be temporarily removed to ease the work, if the roof’s design permits. Additionally, markings can be placed along the connecting flange’s contour.

There is a cut in the crate.

Some roofing materials’ sections are removed.

You’re ready to move on to the next phase.

Step 4: A thin coat of sealant is applied to the annex flange’s edges.

The sealant does not reach the flange’s edges.

Step 5: Under the waterproofing material, the attachment flange is started. Small plastic pins hold the latter in place; the waterproofing is only applied to its edges.

The flange is initially waterproofed.

Placing waterproofing pins on plastic

Step 6: Screws are fastened to the roof’s rafters or crate. Additionally, fastening can be done from below on a crate or from the inside of the roof on the rafters.

The self-tapping screws are used to secure the flange.

The flange fixing procedure

Step 7: The lower element of the passage node (cap) is then applied to the opening location, and a roofing sheet with a cut hole is put back in its original position. Self-tapping screws are used to attach it to the previously installed roof and flange.

Step 8: The actual ventilation pipe is put in. A small building level is included in certain models to make aligning this structural component easier.

Putting in a ventilation pipe

The integrated level is used to align the pipe.

Step 9: Roofing screws are used to secure the pipe to the cap by screwing them all the way around the base. Six screws are required for this model. In the factory, tags are applied for them.

Using roofing self-tapping screws to secure pipes

Take note! It is worthwhile to thoroughly seal the joint of roofing material with a pipe in order to prevent leaks, even if the protective cap is not included in the kit.

Prices for various types of ventilation caps

Ventilation cap

Video – installation of the ventilation passage

Video – installation of ventilation output

It’s essential to comprehend how roof ventilation passageways work in order to maintain a healthy and effective home environment. These openings are essential for enabling efficient air circulation in the attic, avoiding moisture accumulation, and guaranteeing year-round temperature control.

Weatherproofing and functionality are two important factors to take into account when installing ventilation nodes through the roof. In addition to allowing for easier air circulation, well-designed passageways guard against the infiltration of debris, snow, and rain. This lessens the possibility of damage from moisture-related problems and helps the roof structure last longer.

Energy efficiency in homes is greatly enhanced by efficient roof ventilation. These passageways lessen summertime heat buildup and ease the strain on air conditioning systems by encouraging air circulation. They stop ice dams and condensation in the winter, which can cause leaks and damage to roofs.

To guarantee ventilation nodes remain effective, regular maintenance and inspection are essential. These passageways may become clogged with debris or even pests over time, which will reduce airflow and jeopardize the structure. Maintaining them clean and well-maintained will enhance their functionality and help create a healthier indoor atmosphere.

It’s essential to comprehend the ventilation path that runs through your roof in order to keep your home efficient and healthy. This pathway plays a crucial role in controlling the moisture and temperature inside your home, guaranteeing comfort and guarding against future problems like mold growth or structural problems. You can prolong the life of your roofing materials and improve the quality of indoor air by efficiently controlling airflow. This article examines the value of appropriate ventilation, its operation, and useful advice for preserving maximum airflow through this vital component of your house."

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Alexandra Fedorova

Journalist, author of articles on construction and repair. I will help you understand the complex issues related to the choice and installation of the roof.

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