Wallpaper usage calculation method
>>>Related Links: Analysis of Home Wallpapers Purchase Rules
Before buying wallpapers, you need to estimate the amount of the wallpaper so that you can buy wallpapers of the same batch at once, reduce unnecessary troubles, and avoid waste. The amount of wallpaper is calculated using the following formula:
Wallpaper usage (volume) = room perimeter × room height × (100 + K) / square meter per roll, K is the loss rate of the wallpaper, usually 3-10. General standard wallpaper can be paved 5.2 square meters per roll.
The size of the K value is related to the following factors:
1, the wallpaper pattern size: large pattern seams on the flower complex, so the utilization rate is lower than the small pattern, so the K value is slightly larger; the need for the flower pattern than the flower pattern does not require low utilization rate, K value is slightly larger; The patterns arranged in the same direction have lower utilization rate than the pattern arranged in the horizontal direction, and the K value is slightly larger.
2. Paste surface properties: The paste surface is more complicated than ordinary flat surfaces, and the K value is high.
3, paste method: the use of stitching method paste paste stitching wallpaper high utilization rate, K value is small; with overlapping cutting seam method paste paper wallpaper utilization is low, K value is large.
From the above formula, we can see that even if it is the same room, use wallpapers of different textures and different designs, the amount of which is different. At the time of purchase, you must consult the salesperson in detail and determine the quantity before calculating the quantity.
After calculating the approximate amount according to the above method, it is recommended that you buy one more volume on this basis, leaving a margin for use in future repairs. Otherwise, there may be a color difference at the time of batch purchase.
There will not be a wallpaper that says that its wallpaper is not environmentally friendly, but it is not environmentally friendly or environmentally friendly. Here are some easy ways to test for environmental protection and durability.
1. Burning method --- judge environmental protection and material. If js says that our wallpaper is a natural material, then you need a small piece of wallpaper in front of js. After returning home, the lighter burned and the natural material was basically smoke-free after burning. It was like burning paper or burning cotton; there was no pungent odor, no black smoke, and the gray ash was a gray powder, not a black one. Things.
No matter what js said cotton. hemp. bamboo. Paper, this method is applicable, very effective. Moreover, if the burning is very pungent, it also means that the contamination of the material is absolutely indispensable. No matter how cheap it is, it should not be given by white.
2. Soaking water method - method of judging quality. Wallpaper is definitely more durable than latex paint, but many of the wallpapers sold by JS cannot be complimented. The best thing is to cut a piece and soak in water. After 12 hours, if there is no stratification of the wallpaper, the edges are not layered; there is no fade; it is basically qualified. Because of the non-water resistant wallpaper, drums, degumming, etc. will occur after damp.
3. Wipe method --- judge scrub resistance. Wallpapers are more resistant to scrub than latex paint. How about a pencil? Can you wipe it off? General pure paper can erase the traces. Some products can also rub the ballpoint pen! Js is not as good as what he has done, including what other people have said. It's easy to do it yourself!
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