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Is gypsum board fireproof?

Is gypsum board fireproof?

Oct 11, 2025
Gypsum board is not technically “fireproof,” but it has natural fire-resistant properties that slow heat spread and provide valuable escape time in case of fire. Gypsum board’s core contains about 21% chemically bound water, which releases as steam when heated, absorbing heat and delaying fire growth. In my work, I’ve seen gypsum board hold back […]
What are the 5 levels of drywall?

What are the 5 levels of drywall?

Oct 09, 2025
Drywall finishing has an official 5-level scale that determines surface quality, finish smoothness, and final appearance before painting or decoration. The five drywall levels range from Level 0 (no finish) to Level 5 (premium smooth finish for high-gloss paint or strong lighting conditions). In my career, I’ve seen how misunderstanding these levels gets people into […]
What are the disadvantages of PVC false ceiling?

What are the disadvantages of PVC false ceiling?

Sep 28, 2025
PVC ceilings look easy to install and maintain. But their weaknesses can cause problems in certain spaces. PVC false ceilings have poor heat resistance, can deform in high temperatures, have low impact strength, and may release harmful substances if quality is low. PVC’s plastic texture does not suit high-end interiors. In places with big temperature […]
What is the cost of gypsum board per sheet?

What is the cost of gypsum board per sheet?

Sep 25, 2025
Many people compare gypsum board only by price. They miss the hidden costs that show up years later. A standard gypsum board sheet usually costs between 30 and 60 RMB, while waterproof types range from 100 to 150 RMB or more. Cheap boards seem attractive at first, but repairs and replacements in damp areas can […]
How much is a sheet of 8×4 plasterboard?

How much is a sheet of 8×4 plasterboard?

Sep 24, 2025
Many buyers look only at the sticker price of plasterboard, missing key factors that impact total renovation cost. A standard 8x4 ft (4×8 ft) plasterboard sheet costs around $10–$15 in the US, or 40–80 yuan in China, depending on thickness, features, and brand. To avoid budget surprises, you need to factor in finishing, wastage, and […]
Is brick or drywall cheaper?

Is brick or drywall cheaper?

Sep 23, 2025
When building a wall, your choice affects both budget and performance. Many owners struggle to decide between brick and drywall for their projects. Drywall is generally much cheaper than brick. On average, drywall installation costs only one-third to one-fourth of brick walls, mainly due to lower material prices, reduced labor time, and faster construction speed. […]
Is gypsum good for a ceiling?

Is gypsum good for a ceiling?

Sep 18, 2025
It looks seamless and elegant, but is gypsum really the best choice for your ceiling? Yes, gypsum is excellent for ceilings in dry areas due to its fire resistance, smooth finish, and sound insulation, but it’s not ideal for high-humidity spaces. I’ve installed gypsum ceilings in countless living rooms, bedrooms, and offices, and the result […]
How to use gypsum board?

How to use gypsum board?

Sep 12, 2025
It looks simple to install, but small mistakes can ruin the final finish. Gypsum board is used by cutting to size, fastening to framing, sealing joints, sanding smooth, priming, then applying paint or other finishes. In my 15 years in interior renovation, gypsum board has always been one of the most common materials. It’s light, […]
What is PVC gypsum?

What is PVC gypsum?

Sep 10, 2025
It sounds high-tech, but is PVC gypsum really something new? PVC gypsum refers to gypsum board laminated with a PVC film, combining gypsum’s structural stability with PVC’s waterproof surface for use in humid areas. When I first heard the term “PVC gypsum,” I thought it was an entirely new type of board. In reality, it’s […]
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