What is the general thickness of wallpaper, and what is the general thickness of the wall?

The thickness of the bedroom self-pasted wallpaper is generally:. Bedrooms are selected above.

What are the specific steps to put up wallpaper.

Prepare wallpaper glue, paper cutters, scrapers, rulers, plastic buckets and towels, and post them according to the following procedures.

1. Glue: According to the instructions on the rubber powder packaging box, mix the glue solution in proportion. Please be sure to use regular special wallpaper glue to ensure the use effect and age of wallpaper on the wall.

2. Marking: Start from one side of the wall, use a line hammer to find the first vertical reference line at a certain distance and mark it to ensure that each wallpaper is completely vertical.

3. Cutting: Slightly add 10 cm margin according to the height of the wall. The flower paper is cut out according to the collage requirements, and the plain paper should be rolled or folded according to the collage instructions.

4. Glue brushing: evenly brush the prepared glue on the back of the cut wallpaper, brush enough on both sides, fold and press both sides to suffocate, so that the glue can fully penetrate into the back of the paper, and it can be used on the wall in about 5-6 minutes.

5. Mounting: Paste the upper part of the wallpaper first, sweep it from top to bottom with a scraper, from the middle to both sides, and squeeze out the bubbles. Such as flowers.

The thickness varies greatly depending on the material.

Pure paper is less than 1mm.

PVC not less than 3mm (deep embossed).

The thickness of the interior wall of the commercial house is generally 90mm-120mm. If it is a load-bearing wall, it is generally about 24cm; If it is a non-load-bearing partition wall, it is generally around 12cm. Others, such as shear walls, vary in thickness, but are usually above 24 cm, and some even exceed 30 cm.

The wall mainly includes load-bearing walls and non-load-bearing walls, which mainly play the role of enclosure and separation of space. The wall of the wall bearing structure building is integrated with the load-bearing and enclosure, and the function of the building wall of the skeleton structure system is to enclose and separate the space. The wall should have sufficient strength and stability, and have the ability of heat preservation, heat insulation, sound insulation, fire prevention and waterproofing.

Calculation of wall area.

The wall area algorithm is to multiply the length by the height to get the square number.

The top area is long * wide, the ground area is usually equal to the top area, in a small part of the attention to add the area of the door of the room, but do not deduct the partition wall, through the ground columns, buttresses, flues, ventilation ducts and other occupied surface, the baseboard is calculated according to the net perimeter, as for other different parts of the decoration with different materials, it can be calculated according to the area of the decorative surface. Some rooms have triangular, trapezoidal or curved parts, and the floor and top area can be calculated according to their area formula.

The wall thickness is 120mm mm, 220mm, 240mm, 370mm and other standards.

Among them, the frame structure of the house is generally a wall with a thickness of 240mm, while the outer wall of the brick-concrete structure is 370mm, and the sanitary partition wall is generally a wall with a thickness of 120mm and 180mm.

If the house has an insulation layer, its exterior wall may reach a thickness of 650mm, in fact, there is no fixed standard for the thickness of the wall, mainly depending on the bricks of the wall, only the wall thickness can meet the bearing capacity of the brick wall.

Interior walls can be built with materials

1. Red bricks. Red brick has always been one of the very traditional wall masonry materials in China, with a long history of construction, with the advantages of light weight, high strength, long service life, etc., and now it will be reinforced with steel bars, which is more quality assurance.

2. Lightweight bricks.

Although this material has a certain load-bearing capacity, it is not possible to hang heavy objects such as cabinets, unless the wall is reinforced with steel mesh and cement.

3. Cement pressure plate.

Cement pressure board is one of the more common materials in indoor wall decoration, it is made of fiber, cement and other materials, has a good fireproof, moisture-proof effect, but basically does not have sound insulation ability, bearing capacity is not enough.

4. Gypsum board.

Gypsum board is also a commonly used partition wall material, in the use of the keel needs to be laid first, in order to fix the gypsum board, ** is relatively low, and the construction is convenient, but the sound insulation, sturdy and other performance is poor.

The thickness of a sheet of A4 paper is paper.

is made by the International Organization for Standardization.

ISO 216 defines the size of 21*, and most countries in the world use this international standard for paper sizes.

This criterion was originally adopted by the Weimar Republic.

In 1922 it was incorporated into DIN (DIN 476), and although some of these formats were developed in France at the same time, they were later forgotten. ISO 216 defines three groups of paper sizes: A, B, and C. Group C paper size is mainly used for envelopes.

The aspect ratio of Group A paper sizes is 2:1 and then rounded to the nearest millimeter. A0 is defined as an area of one square meter with an aspect ratio of 2:

1 piece of paper. Next A1, A2, A3 ......For other paper sizes, it is defined as folding the paper with one less number along the long side and rounding it off to the nearest millimeter.

The size of the B paper is the geometric average of the paper in Group A with the same number and one less number.

Before the popularization of printers, B-group paper was often used. Group C paper size is mainly used for envelopes.

A4 paper size origin.

Reason 1: A rectangle with a length of 2 and a width of x, after being folded in half, the length and width are x and 1 respectively, so in order to ensure similarity, 1:x=x:2 is required. The resulting ratio is:

However, 297 divided by 210, the result is, close to.

And this ratio is similar to the original paper type when a piece of paper is folded in half. If it weren't for this ratio, such as 4:3, then we would find that when folded in half, the shape of the paper was distorted and became 3:2.

Reason 2: In fact, to meet this ratio, there can be other values, such as 282mm 200mm, or other sizes. However, the 210mm 297mm value is related to the 4 of the A4, due to the A0 paper.

The size is 841mm 1189mm, and the A4 paper is the size of the A0 paper that has been folded 4 times. So the size of A4 paper is 210mm 297mm.