Calculation of the weight of construction waste in 1 m3 using a table for dismantling

There are no small details in the design of an apartment, house, or office. Interior doors are a very important detail. Correctly selected in all respects, it creates a harmonious and comfortable atmosphere in the room.

Interior doors to choose from

Having set the goal of purchasing the most suitable door designs for the internal needs of his apartment, the consumer will be amazed by the abundance of offers from manufacturers and may encounter certain difficulties in choosing.

Interior doors of various types

Each of the proposed samples has its own characteristics: material, filler, style, shape, size and others.

Factors on which the weight of a metal structure depends

The weight of a steel door depends on:

1. The thickness of the steel sheet used in manufacturing. Modern technical models weigh on average 45-70 kg (finished product). The thickness of the steel is 2 mm .
2. Types of insulation or fireproof filling. Expanded polystyrene, used to insulate technical models, is weightless. Basalt wool, which is used to fill the door leaf in fire protection products, will add a little weight.
3. Type of finishing. Powder coating does not weigh down the product at all, just like vinyl artificial leather on foam rubber or plastic panels. Laminate is a little heavier, MDF, depending on the thickness, can add an extra 3-7 kg to the structure. The heaviest finish is solid wood.
4. Weights of fittings and locks (a small percentage, but sometimes it also matters).
5. Additional options. If you decide to order a model with a mirror inside, you need to take into account that it will weigh more than the standard one without a mirror insert.

The weight is directly affected by the number of steel sheets and stiffeners used to produce the blade. Cheap technical models without a thermal insulation liner weigh less than doors with a thermal break or fire doors.

Manufacturing materials

The decisive factor for the weight of the product is the material of manufacture.

• Solid wood is the most expensive, but also the most attractive material. The door leaf in this case is made of a solid wooden panel and is distinguished by excellent heat and sound insulation. However, it has maximum weight. On average 1 sq. m of array weighs up to 20–25 kg. The higher the hardness and density of the wood, the heavier the product made from it. The heaviest ones are oak doors. The photo shows an oak interior door.

A sash made of laminated or pressed wood is much lighter. In addition, they are made from light, soft wood, like pine. Weight 1 sq. m reaches 15 kg.

Numbers

The bare mass indicators of different types of structures speak for themselves:

Products from the Middle Kingdom can be very light - only 40-45 kg. However, you can open such a canvas with an ordinary can opener without much effort.

How to choose the right one

The entrance area must not only be well protected from breaking and entering by thieves, but also made attractive. The hallway is always decorated in a certain style, so the door should fit into it as organically as possible. Or be bright - this option is often chosen by lovers of contrasts.

To choose the right door, follow these rules:

1. Finishing. Products finished with powder paint look inexpensive and stylish (experiment with textures - crocodile, silk, moiré, hammer effect, and colors - any shade from the RAL catalogue). An economy class option, almost weightless, while giving the entrance area a sophisticated look - vinyl artificial leather on foam rubber. This is an ideal solution for entrance doors to an apartment. For a private home, thin (10-15 mm thick) MDF panels are suitable.
2. Thermal insulation. For apartments located from the second floor and above, it is not necessary to insulate the entrance. But, if you really want, you can order the canvas and box to be filled with expanded polystyrene (foam plastic). This thermal insulation material weighs nothing.
3. Quantity of sheet steel. For both a private house and an apartment, a sheet of 1 sheet, a frame and stiffening ribs is quite sufficient.
4. Accessories. Choose the one you like. There is no point in saving on grams.
5. Locks. For good protection, always order 2 mechanisms - cylinder and lever, and in addition to them an internal latch.

Calculating the approximate weight of the door is easy. Multiply the mass of 1 m2 by the area of ​​the canvas, add the box and fittings.

offers customers custom manufacturing of entrance metal structures of any complexity. For detailed information, call the phone number listed on the website.

Why do you need to know the weight of construction waste?

To calculate everything correctly, you need to know several key parameters: density of construction waste, weight, volume. The estimate documentation includes the costs of dismantling, loading and unloading, and transportation of construction waste to places of disposal or disposal. A separate column identifies the costs of its acceptance and processing by landfills and other accommodation facilities.

In this case, the unit of measurement used in estimate calculations is mass, indicated in tons.

Based on the information received, it is possible to plan transport logistics, determining the number of removal trips taking into account the carrying capacity of the vehicles, the distance to the landfill and other parameters, as well as calculating the number of garbage containers or bags for waste accumulation.

What determines the mass of the product?

The weight of an interior door directly depends on the quality of the material from which it is made. Factory models are manufactured in accordance with state standards and have standard parameters: size and weight.

Materials, in turn, have such a property as density. The specifics of the material from which the product is made directly affects how much the door weighs. Here are the densities of the most common materials:

Average weight of a door made of this material, kg

1.5 kg per linear meter

Glass (thickness 5 mm)

Coniferous wood processing products

hardwood tree

Why know the mass of the sash?

This value is important for many factors:

• To open both swing and sliding doors, certain physical efforts must be made. The heavier the sash, the more difficult it is to do this, especially for a weak person - a child or an old man. This point must be taken into account;

• The opening mechanism affects the permissible weight limit. So, moving the sliding sash is much easier. Therefore, with the same degree of convenience, a larger mass is allowed in the latter case;

Lightweight door design

• Interior doors must be installed both in the main wall and in the interior partition. The latter do not always have sufficiently high strength parameters. Accordingly, a massive sash cannot be installed here;
• the same applies to old houses, where the walls of secondary importance are very light and cannot withstand heavy loads:

Doors in light partitions

• The weight of the sash is important when choosing fittings: hinges, lock. The larger it is, the more durable and expensive hinges should be used, and the more massive the box should be installed.

A lot of different doors, their advantages and disadvantages

Each of the materials has its own advantages and disadvantages.

Plastic has unsurpassed insulating properties. It retains heat perfectly, cuts out odors and noise. Models made from this material are light in weight and have a reduced risk of injury. Moreover, they are affordable. The main disadvantage of these models is their lack of environmental friendliness and even toxicity. Therefore, it is not recommended to install them in residential buildings. An exception may be products made from high-quality plastic, the cost of which is comparable to wooden models.

An interior door with glass looks laconic and attractive. These models allow you to give the room airiness, lightness to the interior, and let a large amount of sunlight into the room. Modern tempered glass or triplex is characterized by high impact strength and safety. However, their price makes you think about the feasibility of installing such a model.

Models made using wood processing products are considered a worthy replacement for solid analogues. They are more affordable, resistant to moisture and temperature changes. In addition, wood chip material weighs less compared to solid wood. Finishing from valuable wood veneer gives the product a respectable appearance.

Products of new technologies are alternative synthetic materials that cover the canvas to give not only an external gloss, but also to improve significant consumer qualities. New generation materials include artificial veneer (laminate), nanoflex and eco-veneer. They are considered a model of environmental friendliness and are highly resistant to moisture and temperature changes. The polymer coating ensures that the veneer door weighs less.

Models made from deciduous (hard) wood are considered an attribute of luxury. Their cost is really high, but it is compensated by the advantages. These products are reliable, wear-resistant and very beautiful. However, wood can quickly lose its appearance due to sudden temperature changes and high humidity in the room. To ensure that the wooden door does not deform due to unfavorable factors, it is coated with special moisture-resistant compounds. The weight of such products, depending on the type of wood, can reach up to 150 kg. This means that the load on the door hinges will be maximum; especially durable fittings and a high-quality wooden frame will be required.

PVC models are practically indistinguishable in appearance from solid ones or from products with veneer. They are resistant to adverse external factors, aesthetically pleasing and practical to care for.

What to consider when calculating the dimensions of furniture facades

I have already written about how to calculate the dimensions of the fronts of a corner cabinet here. Now we will talk about ordinary ones.

There are two types of facades - overhead and inset (internal).

According to the generally accepted standard, overhead facades of any furniture and any plan (hinged, retractable) should be reduced by 3-4 mm from the dimensions of the cabinet/niche that they cover. The same rule applies for internal facades, but the calculation is based on the internal dimensions of the niche.

To be honest, I am calm about deviations from generally accepted norms in the calculation of furniture facades. The beauty of making furniture yourself, either with your own hands or to order, is that you can implement some non-standard solutions.

Is it possible to make the gaps on the facades smaller?

I remember there was a customer who really wanted the kitchen facades to fit very tightly together, forming a kind of monolithic effect. Moreover, it was important to him that the edge of the facades be as straight as possible, without roundings. For this reason, MDF facades were rejected immediately. He was categorically not satisfied with how the edge of PVC with a thickness of 2 mm and even 1 mm was “rounded”.

PVC with a thickness of 0.4 mm was purchased specifically for it.

The size of the fronts was reduced by only 2mm, excluding the thickness of the edges. The customer personally checked and approved all the dimensions of the facade that went into production - the appearance of the furniture was so important to him. Well, of course, I was warned about the minimum play for opening doors and drawers, in order to avoid them shuffling away from each other. The most subtle point was the large drawers at the bottom of the kitchen. It is natural that they sag a little, once they are loaded to capacity. They are regulated when the kitchen is installed empty. And loaded ones may well “climb” onto each other and begin to shuffle when opening, if the play between them – in his case only 1 mm – is minimal. But the customer vowed not to overload them and not to make any complaints about this.

Is it possible to make the gaps on the facades larger?

There was also the opposite case in my practice. When huge gaps between the facades emphasized the special design of the furniture. It looked really very interesting and stylish. I only have a photo of the shoe rack and it’s not in very good quality. But the principle of calculating cabinet facades is visible from the photograph.

The furniture body also adapts to such design techniques. So that the gaps between the doors, through which all the insides “shine,” are not visible.

There is one caveat if you want to use the same solution - make the doors smaller relative to the body so that the sides are visible. If the facades are hinged, then they are mounted not on a regular 90-degree hinge, but on a semi-overlay hinge, specially designed for opening at the “half end”. You can read more about loops here. Accordingly, the doors need to be reduced by the amount of “half the end”, that is, 8-10 mm.

Factors influencing the weight of an interior product

Other factors also influence the weight of the door:

1. Dimensions of the canvas (length, width and thickness). Models made of the same material, the same height and width, but differing in thickness by several millimeters will have a difference in weight of several kg (depending on the material);
2. Uniformity of the material. Products can be solid and glazed, made from one material or contain a combination of materials with different densities. All these nuances are reflected in the mass of products.
3. Its production technology:
   The heaviest doors will be solid wood doors, whose weight can reach 140 kg.
4. Slightly lighter than panel type products. Interior doors made of veneer contain fragments of wood materials (chipboard, MDF). The upper part of such products may contain inserts in the form of panels, glass, or cardboard with a cellular structure. The heaviness of the model will depend on the quality of the insert. It ranges from 20-40 kg.
5. Panel products have a hollow structure. The cavities are usually filled with cardboard inserts in the form of a honeycomb. These models are distinguished by their low weight - 10-15 kg.
6. The quality of the fittings used. Door handles, locks and other accessories add more weight to the product.

Dimensions

The dimensions of the product affect the weight of the door leaf quite significantly. Moreover, we are not even talking about a double-leaf structure, but the most ordinary single-leaf one.

• Standard product widths include 60, 70, 80, 90 cm with a height of 200 cm. At the same time, the dimensions of the box are slightly larger. The width of the door leaf to the bathroom can be smaller - 55 and 60 cm.

The width of double-leaf interior doors is determined by the total width of the opening, regardless of what size it will be, for example, for a blind door, and what size it will be for an active door that moves on hinges. Standard widths include 120 and 140 cm.

• Typically the height of the products is 200 cm, but can reach 210 and 230 cm in apartments with high ceilings.

It is worth noting that the weight of a door made from a solid sliding system can be greater than a swing door, since it is much easier to move the sash along the profile.

Why do you need to know the weight of the door?

The weight of the canvas needs to be known for several reasons.

Firstly, this information is needed to correctly select a door frame if it is not included in the package. If you hang a heavy solid product on an MDF box, then such a structure will not last long.

Loops are also selected based on the weight of the product. Doors of various designs have their own subtleties of location and attachment to the frame.

Secondly, the weight of the door will allow the apartment owners to plan the correct placement of it. Heavy products will be inappropriate in a nursery or bathroom. This will create unsafe living conditions and cause operational difficulties.

Dimensions and weight of MDF panels

Today, the Russian market of sheet construction and finishing materials offers medium-density fiberboards from both domestic and foreign manufacturers. The most widespread products are from brands such as:

• Kronospan (Russia, Yegoryevsk);
• Kronostar (Russia, Sharya);
• Shekninsky control center (Russia, Vologda region)
• Glunz AG (Germany);
• EGGER (Austria);
• Korosten MDF plant (Ukraine).[contents]

Characteristics of MDF

Each enterprise produces MDF boards using various technologies and dimensional standards that determine the technical characteristics of a particular product. Thus, the weight of the sheet will be influenced not only by its size, but also by its density. This indicator ranges from 600-850 kg/m³. The average density of the panels is 780 kg/m³.

Initially, MDF board looks like this, but the final product depends entirely on the finishing

Another criterion that affects the weight of the product is the presence of the outer covering of the slab, as well as its type and thickness. This can be one-sided or double-sided lamination with PVC film, laminating with paper film, or veneering with natural wood.

For example, wall panels have a protective and decorative coating on one side, and MDF boards, intended for the manufacture of various relief products (furniture facades, doors, decorative interior items, etc.), are simply produced with a polished surface, which makes it possible to carry out necessary milling operations.

The application of one or another coating is carried out on ready-made elements. There are also different types of MDF with a double-sided finish, most often used for making furniture.

How to calculate the weight of facades

Calculating the weight of facades is important if a non-standard size is taken and there are doubts about the strength of the fasteners. By default, it is recommended not to make the width of the swing facade more than 500-600 mm. The hinge may not support the weight of the door and over time it will either tear out or become warped without the possibility of adjustment. It will skew - that is, the unfixed edge will sag.

But to a greater extent, the weight determines the inability of the hinge to “hold” horizontal adjustment. Therefore, it is important to check everything at the design stage, to correlate the installed weight of the façade with the load-bearing capacity of the fasteners, as stated in the manufacturer’s recommendations. You can calculate the weight of facades based on the following examples:

• According to Kronospan, a sheet of moisture-resistant laminated chipboard 16 mm thick, format 2800x2070, weighs 67.7 kg. To find out the weight of one square of laminated chipboard, you need to divide the weight by the area converted from mm to m: 67.7: 2.8: 2.07 = 11.63 kg. It’s easy to calculate the weight of the facade; you need to calculate its area and multiply by 11.63 kg.
• An uncoated MDF sheet made in Russia, 16 mm thick, with a density of 750 kg/m3, format 2800x2070, weighs 70 kg. A similar calculation allows you to find out the weight of one square meter: 70: 2.8: 2.07 = 12.08 kg. Plus a few grams of coating will be added - PVC film or enamel painting.

Do you use laminated chipboards from other manufacturers and MDF of different densities and thicknesses in production? Just find out the source data on the official websites of the manufacturers and perform similar actions. The calculations will be correct if you use their principle to calculate the weight of facades made of acrylic, glass, solid wood, plywood and other materials.

Source: sdelay-mebel.ru

Features of MDF panels for walls

Decorative wall panels come in a wide range of shapes and sizes, which directly affect their weight. There are three main types of sheet materials for wall decoration:

• Slatted panels are long strips of varying thickness, length and width. Each manufacturer has its own sizing standards. The width of such panels can vary from 150 mm to 325 mm, length - from 2400 mm to 3700 mm and thickness - from 6 mm to 14 mm.
• Tile panels. This type is characterized by a square shape and a huge variety of sizes, from small tiles of 30x30 cm to impressive sheets of 98x98 cm.
• Sheet panels. This material has the largest dimensions. The size of one sheet, on average, is 122 × 244 mm, and the thickness is 3-6 mm.

As for color and texture finishes, the choice is almost limitless.

For example, one slatted panel 6 mm thick, with a length of 2600 mm and a width of 150 mm, weighs 1.9 kg. With a similar thickness and length, the weight of a 200 mm wide panel will be 2.75 kg, and a 240 mm strip will “tighten” by 3.3 kg.

How to calculate kitchen facades

The principles for calculating kitchen facades are no different from others. There is only a certain nuance due to the design of the kitchen itself - the presence of a number of different cabinets and drawers next to each other and a corner element. A certain symmetry must be observed in the alternation of heights of diverse cabinets and drawers.

Otherwise, it will simply be unaesthetic and look strange.

Basically, they “fly by” in calculations when one number is subtracted from the swing facade in height, and another figure suddenly pops up from the drawers, taking into account all the gaps between them. Or when the gap between the hinged facades of one cabinet suddenly turns out to be smaller or larger than what is formed along its edges when tightly adjacent to the neighboring ones.

Be careful, minus everything correctly and do not “lose” millimeters.

IMPORTANT! A tabletop is placed on top of the lower tables/pedestals. If this is postforming, then the facades of the entire bottom row will have to be “lowered” by 3-4mm, since along the inside of the postforming with a 180-degree bend there is a drip tray - a convex strip of either silicone or plastic. Therefore, it is undesirable to reduce the kitchen facades by less than 4 mm - otherwise, there will simply be no play for adjusting its free opening without touching the drip tray itself. With other countertop options, this nuance is not important.

IMPORTANT! Sometimes a protruding canopy is placed on top of the upper kitchen cabinets, into which it is planned to embed soffits. The soffit frame also has its own thickness (height). To prevent the doors from clinging to it when opening, it is necessary to provide sufficient clearance. Often, when calculating facades for upper kitchen facades, it is necessary to reduce their height to 10 mm or even more, depending on the type of soffit.

Technical features of MDF boards

For ease of perception, all data was grouped into tables.

Table 1 . Technical characteristics of sanded MDF sheets produced by different producing countries.

Table 2. Technical characteristics of laminated MDF sheets produced by different producing countries.

Table 3. Technical characteristics of MDF sheets laminated with paper film. When applying coating on both sides, the weight of the products does not change.