All the nuances of insulation of the old wooden house, which materials to choose and how to mount with your own hands

Welcome to "All about the facades of the house," where we explore the complex realm of exterior house design. We concentrate on the crucial job of insulating an old wooden house today. In addition to improving comfort, insulation is essential for energy efficiency and for maintaining the structural integrity of your valued house.

It takes careful thought to select the appropriate materials for insulating an old wooden house. Since wood is a natural material, it expands and contracts in response to variations in humidity and temperature. Over time, this movement may have an impact on insulation, so it’s important to choose materials that can adjust without losing effectiveness. Different alternatives such as mineral wool, cellulose, or even contemporary spray foam provide different advantages with regard to insulation effectiveness and suitability for wooden structures.

To ensure longevity and efficacy, mounting insulation on an old wooden house calls for a methodical approach. It’s critical to evaluate the state of the current facade and take care of any structural problems before starting. Cleaning the surface, fixing any damage, and using an appropriate primer or sealant to improve adhesion are all parts of proper preparation.

For individuals contemplating a do-it-yourself strategy, knowing the methods is critical. Aesthetic impact and efficacy should be taken into account when choosing techniques like stud walls packed with insulation, external cladding systems, or even breathable membranes. Having a solid understanding of these techniques will help you maintain the classic charm of your wooden home while getting the best insulation results.

Types of insulation

Owing to the wood-framed house’s capacity to accommodate couples, the rooms are consistently comfortable. The moisture waste can be completely sealed off if the incorrect insulation material is used, which will cause it to build up in the walls of the building. This will cause the entire structure to collapse prematurely.

Mineral wool

  1. Perfectly retains heat.
  2. Insulates the interior from extraneous sounds from the environment.
  3. Light weight helps to do everything quickly and efficiently.
  4. The structure of the material allows you to hide all the irregularities.
  5. Fire and environmental safety.
  6. Rodents are not used to create nests.

However, there are a few drawbacks:

  • Protection against moisture is necessary, therefore, mineral wool is broken by vapor barrier membrane, on the one hand, and a windproof film, on the other;
  • Requires mechanical fixation.

Yet, since this option works for both new and old buildings, it is simple to overcome such drawbacks.

Styrofoam

Insulation of classes. Consequently, in high demand from private developers and all building companies. Apart from this encouraging moment, there are several more:

  1. Good thermal insulation properties.
  2. It has sound insulation.
  3. Does not absorb moisture.
  4. Withstands small mechanical loads.

However, there are a few drawbacks that render the foam inappropriate for separating a log home from a village house:

  • lack of vapor peripation;
  • rapid destruction under the influence of ultraviolet radiation;
  • rodents and insects love to create their own dwellings in this material;
  • The foam is easily ignited, and then smolders with the release of caustic substances.

The tree burns well already, and if the interior design is that bad, being in that kind of house could endanger life.

Penoplex (polystyrene)

This substance is similar to the slurry in terms of composition. However, producers made a slight improvement to the insulation’s qualities, which raised the price. What qualities does the foam naturally possess?

  1. Improved thermal insulation properties. If a foam 10 cm thick is necessary for insulation of the house, then you can replace 5 cm with a foam.
  2. Withstands large mechanical influences.
  3. Moisture does not absorb at all.
  4. There are also soundproofing properties.
  5. Foamyplex is produced with the addition of antipyrens, substances that do not allow the material to ignite under the influence of fire. Therefore, compared with polystyrene, the foam is safer.

It is occasionally utilized to insulate wooden buildings from heat. However, it is only appropriate for a foundation or basement. The absence of vapor peripation is the cause of this. This will cause condensation to build up on the walls, which will aid in the growth of fungus and mold.

Ensuring adequate insulation is essential for both comfort and energy efficiency when renovating an old wooden house. Making the proper material selections and knowing how to install them yourself can have a big impact. This article examines a range of insulation choices that are appropriate for historic wooden buildings, including more contemporary options like foam boards and more conventional ones like natural fibers. It walks you through the steps of getting ready, how to install things, and what to think about to keep your historic house intact. Whether your goal is to increase summer cooling or winter warmth, thoughtful insulation decisions can improve your beloved wooden home’s sustainability and comfort.

The better thermal insulation?

Long-lasting housing requires complete structural element insulation in addition to facade insulation. Taking such steps will contribute to better indoor temperature maintenance. As a result, evaluate each component independently:

Wall insulation

Isolating the walls externally is preferable. This makes it possible for you to remove dew from the base considerably more quickly by moving the point of dew formation towards the surroundings. You can achieve the exact opposite effect if you heat the walls from the inside. The walls will still freeze in this scenario.

Choose mineral wool mats that are firm for wall insulation. You can choose to use a foil option if there are tangible opportunities. The heat from the walls will be dissipated by the foil layer. It is imperative that you seal all of the gaps before installing the insulation.

Here, we apply dad, dry moss, or a tourniquet. We firmly vibrate any intervention spaces or potential cracks in logs using this material.

Ceiling

There are two ways to insulate the ceiling:

  • from the side of the room;
  • on the side of the attic.

The first and second methods work well together. The ceiling is covered in additional sturdy materials. It is preferable to use insulation from the rooms if the attic is located under the roof. After that, beams are built into the structure, and sheet insulation is positioned between them. Remember to use vapor barrier membranes.

Когда пердак находиться под крышей, можно пенопластом и минватой воспользоваться. It is necessary to place a more rigid material over the insulation. Slabs of chipboard may be used to prevent pushing against the insulation.

When using bulk heaters, such as sawdust or gravel, there is an option. However, there are numerous materials that are even more costly to use than contemporary heaters.

Floor

Whether or not the old house has a basement affects the technology that is chosen for insulation. The basement, if one exists, is warmed first. Maybe then there’s no need to isolate the floor any further.

However, in the event that such a need has already been identified, the subsequent options are selected:

  1. Laying a warm floor (electric heating). For old wooden structures, it is not always suitable, since it requires reliable electrical wiring.
  2. The use of thermal insulation materials. They only choose hard options, but they must make a plank floor or cover the chipboard or OSB, and then decorate the selected material for the floor.

Large heat losses occur in the old wooden house because of the worn-out floors. Thus, don’t discount the idea of insulating the floors. Specifically, begin heating the house from the floors up.

How to insulate an old wooden house with your own hands?

It is necessary to give the tree special care before beginning any external work. particularly if the owner cannot see the design. Therefore, if you handle everything yourself, make sure to strictly follow insulation technologies.

Don’t forget to maintain command over the brigade if they trusted their superiors. Employees frequently wish to work a little bit earlier and more efficiently. This can cause the structure to collapse too soon.

Surface preparation

First, get the base ready.

  1. Clean all pollution and spots, traces of insects or fungus.
  2. Remove the old decorative coating.
  3. Remove hinged structures that will interfere with all work.
  4. Close all the cracks.
  5. Cover the wooden structure with protective compounds. These are antiseptic impregnations or mastic and moisture repellent compositions. Which will significantly extend the life of the base.

It is best to follow the manufacturer’s instructions if the package states that creating multiple layers is desirable. You can later regret it if you decide to save now.

Laying a vapor barrier layer

When the impregnation is totally dry, they begin membrane laying. This layer will let pairs pass through the insulation and exit while shielding the walls from moisture.

  • begin laying from the bottom of the wall with vertical stripes;
  • Each subsequent strip finds, on the previous one, by 10-15 cm;
  • joints are fixed with tape;
  • The membrane itself is fixed using a construction scholarship.

Installation of the crate

Use metal profiles or wooden bars for the frame. If a wooden frame is chosen, additional care must be taken with its details so they last as long as the decorative layer. Furthermore, the bars won’t be able to conceal the wall’s imperfections, so you’ll need to hang things or lay pegs in certain spots.

Everything is much simpler with metal—we just take and install. All the flaws will be readily hidden by special sliding brackets. But compared to wooden, this design will cost a little more.

The installation technique of the frame is contingent upon its intended use and the choice of decorative material to be applied to the facade.

This is the general plan:

  • First we make markings. The step between the elements is equal to the width of the insulation;
  • We screw the elements;
  • We check how smoothly the parts are installed using the construction level.

Installation of a heat insulator

The heat-insulating material is sandwiched between the crate’s components. The mats are firmly placed. Additionally, there is no formation of cracks. Wool made of mineral materials shouldn’t puff.

If such defects show up, they will eventually turn into cold bridges that either partially or totally undo the insulation work. The material should therefore lie evenly but tightly.

Laying a windproof film

It’s also common practice to cover the insulation with a windproof membrane. For the finish, this material will shield Minvata from the entry of atmospheric moisture. The styling principle is identical to that of a vapor barrier film:

  1. We start work from below.
  2. We make vertical stripes.
  3. We put in a overlap for 105-15 cm.
  4. We glue the joints with tape.
  5. The membrane is fixed with a stapler to the crate.

This is a good place to use a different dowel grip. The insulation and membrane will also be recorded by this mechanical fastener.

Installation of the crate for fastening finishing materials from the outside

Additionally, the plan calls for the installation of a finishing material counter-stamp or frame. Depending on how the finish is installed, the crate may be horizontal or vertical.

Moreover, a second crate makes a ventilation gap that lets you extinguish steam rising from the inside. The clearance’s dimensions can vary between 3 and 8 mm. Everything is dependent upon the region in which the house is located and the thickness of the insulation material.

External wall decoration

For a wooden house, you can use any well-known material as the finishing touch. It is crucial to take the structure’s condition—that is, its strength—into account. Avoid selecting heavy materials if your house is too old, as the structure might not be able to support the weight and collapse.

However, the following guidelines are fundamental:

  • Fully follow the installation instructions that the manufacturer offers;
  • The details are fixed to the elements of the crate;
  • choose dry weather;
  • perform insulation of a wooden house only in the warm season.

Choosing Materials Consider factors like durability, weather resistance, and ease of installation. Options include foam board, mineral wool, and spray foam.
Mounting Techniques Follow manufacturer instructions carefully. Typically involves securing insulation panels or filling gaps with chosen material, ensuring a snug fit for effective insulation.

Homeowners wishing to increase comfort and energy efficiency have special opportunities and challenges when it comes to insulating an old wooden house. Selecting the appropriate materials is essential, taking into account things like compatibility with the current structure, durability, and effectiveness of insulation.

Fiberglass is one of the most used insulating materials for older wooden homes. It offers good thermal performance, is reasonably priced, and is simple to install. However, because fiberglass can irritate skin, handling it carefully is imperative.

Cellulose insulation is another well-liked choice. It is created from recycled paper products that have been fire-treated. Cellulose can be blown into wall cavities without significantly altering the interior or exterior of the house. It is also environmentally friendly and effective at reducing air leakage.

Natural insulation materials with superior thermal qualities and biodegradability, such as cotton or sheep’s wool, are a great choice for individuals who place a high value on sustainability. They also successfully control humidity levels, which promotes a healthier interior atmosphere.

In an old wooden house, it is important to take care of any existing moisture problems before installing insulation. In order to avoid mold and rot, which over time can weaken the house’s structural integrity and insulation, proper vapor barriers and ventilation are crucial.

When doing DIY insulation projects, especially with materials like fiberglass, safety precautions and careful planning are essential. The secret to maximizing the insulation’s long-term effectiveness and energy savings is to make sure it fits snugly and to prevent gaps.

Through knowledge of the subtle differences between insulation types and installation best practices, homeowners can dramatically improve their old wooden houses’ comfort and energy efficiency without sacrificing their historic charm.

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Michael Korotkov

Architect with ten years of experience in the design of facades. In my work I always try to find a balance between aesthetics and functionality. It is important for me that the facade is not only beautiful, but also meets all climatic and technical requirements.

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