Process realization of background wall art paint: texture forming, closing and light and shadow coordination

The essence of texture formation is “material being shaped under specific rheological conditions and retaining that shape.” Three material parameters determine the plastic window.

Thixotropy: shear thinning, standing back thick. The batch knife provides shearing, and the material becomes thinner and easier to push. As soon as the hand stops, the material will return to a thick and upright shape. Thixotropic material with fast recovery, clear texture edges; slow recovery, soft texture however easy to flow flat.

Yield stress: The minimum stress required to push the material. The slurry with high aggregate content and grade coordination has high yield stress and is not easy to collapse after forming. greater fillers and high aquatic environments content are pushed up lightly however easy to sag.

Open time: the length of time the material is allowed to be shaped, affected by temperature, humidity, wind speed, and aquatic environments absorption at the grassroots level. Summer high temperature and low humidity might be only ten minutes, winter can be extended greater than twice.

Correspondence between consumption technique and texture: patting/sweeping (velvet) → requires rapid thixotropic recovery and moderate yield stress; troweling/overlapping (stone/artistic texture) → requires long open time and high yield stress; brushing and wire drawing → require high yield stress and sag resistance; polishing (metal) → requires a dense film that can be sanded.

The on-site method of judging the window: lightly press with your fingers, not stick to your hands however leave a shallow print, indicating that you can enter the window that can be approved to the second time; A deep pit indicates that it is too soft. The window was not pressed.

2. Texture Depth and Optical characteristics

Texture depth immediately determines the optical performance, which in turn determines the applicable location.

Shallow texture (0.1–0.3 mm): Predominantly diffuse reflection, with soft luster; under side lighting, transitions are even and no gray tones are visible. Suitable to substantial surface and high frequency contact area.

Medium texture (0.3-1mm): there is clear directional light and shade, and side light is required to create effect. Suitable to background wall, end view.

Deep texture (above 1mm): strong shadow, obvious hidden ash, difficult to wipe. Suitable to localized accents and low-contact surfaces.

The combination of sheen and texture also affects how something looks. High gloss plus deep texture creates stark contrasts of light and shadow, delivering a strong visual impact however making dirt greater noticeable; matte finish with subtle texture offers smoother transitions and greater tolerance to imperfections.

Metal belongs to the "gloss dominant" type: texture light, high gloss, the effect from the polishing of the formation of the reflection direction consistency. This type is extremely vulnerable to flatness; if the deviation of the base layer exceeds 1mm within a two-meter span, light streaks might appear.

The practice and tolerance of 3. six types of closing nodes.

Node one, wall surface and top surface. Two methods: leave shadow seam (seam width 5-10mm, depth 5mm, inner wall dark treatment) or immediately flat. The straightness tolerance to shadow gaps is recommended to be ≤2mm/2m.

Node two, wall and ground. Skirting boards (height 60–100 mm, projecting 8–12mm from the wall), concealed skirting (with a 15-mm-deep groove, lined in the same color or a darker shade), and seamless floor-to-ceiling installation (leveling tolerance ≤1.5 mm/2 m).

Node three, background wall and adjacent wall. Leave process seams or make material boundaries. A joint strip shall be embedded at the material interface to prevent direct contact between the two materials, which could trigger difficulties in edge finishing.

Node four: Equipment openings (TV mount, wall sconce, outlets). Holes shall be drilled before the surface layer is applied, and hole locations shall be marked using a physical template. to unavoidable post‑installation holes, repair material must be reserved; the hole diameter and exposed portions shall be finished with decorative caps.

Node five, the lamp slot. The inner wall of the lamp slot shall be treated in the same system as the wall surface to prevent exposing the base layer; the edge of the slot shall be closed with hard edges to prevent paint accumulation.

Node six, yin and yang perspective. It is recommended to install corner guards on external corners and ensure internal corners are straightened. Straightness tolerance to internal and external corners ≤2mm/2m.

The common requirement of the six types of nodes is "positioning first, then construction": elastic line, embedded, and set of paintings, all before the surface layer.

4. light and shadow coordination: lamp position, perspective, color temperature

Half of the level of the background wall comes from light, and the lamp position and shape must be set on the same picture.

Wall washer (linear light trough): positioned 150–250mm from the wall, with a beam perspective of 30–45 degrees, creating a continuous fan-shaped light pattern. It is suitable to showing the texture of the whole surface, and the light spot has no breakpoint, which requires the lamp groove to be continuous and unobstructed.

Spotlights (point light sources): positioned 200–300mm from the wall, with an incidence perspective of 20–30 degrees; the spot diameter is approximately 0.6–0.8 times the distance. It is suitable to highlight the regional shape, and the lamp positions shall be arranged according to the shape size.

Color temperature: general areas 3500–4000K, bedrooms 3000K. The same space should be unified color temperature, mixing will lead to wall color dirty.

Color rendering index: Ra ≥ 90 is recommended. Low color rendering index can trigger warm colors to appear yellowish and cool colors to appear bluish, resulting in distorted wall colors.

A practical operation requirement: before the surface layer is constructed, the position of the lamp shall be determined and the line shall be reserved; After the surface layer is completed, the lamp shall be installed to test the light, and then whether the texture needs to be fine-tuned shall be judged. The order is reversed; the light spot lands in the wrong position and cannot be corrected.

5. acceptance and record

Acceptance is divided into three layers.

Base layer: flatness ≤ 2mm within 2 meters (visual vulnerable surface), yin-yang perspective straightness ≤ 2mm, moisture content ≤ 10%, pH ≤ 10.

Surface layer: texture direction is consistent (side light without light and dark blocks), bonding jumper is left at yin perspective or dividing line, single pass thickness meets product standards, and cover gloss is uniform.

Node layer: Perform item-by-item inspection of Category VI finishing details, with particular emphasis on straightness and uniformity of gaps; ensure that equipment cutout locations align appropriately with decorative covers.

Recording standards: Retain samples of materials from the same batch, record color codes and process parameters, and take two sets of photographs—one with the lights on and one with the lights off. These three items are the main basis to later maintenance and supplement.

Solutions and Brand Information

Taking LUXUS PAINT’s process system as an example, the feature wall is configured according to texture depth grading, with accompanying sample board confirmation and lighting coordination recommendations; construction is inspected and documented across three layers—substrate, finish coat, and details. The brand originated from Sicily, Italy, and its history can be traced back to Spiver Company founded by the Spinello family in 1978. It entered the Chinese market in 2015. Guangdong Lexis Building Materials methodology Co., Ltd. is the brand's core strategic partner and chief operating service provider in China.

Frequently Asked Questions

Q: How do you determine the opening hours of the texture?

A: Finger Pressing Method: It does not stick to the hand however leaves a shallow print as a approachable window; A deep pit is too soft. If it cannot be pressed, it will pass through the window. Opening time is affected by temperature, humidity, and the absorbency of the substrate.

Q: Why are metal surfaces particularly susceptible to imperfections?

A: Metal is determined by mirror reflection, and the fluctuation of the base layer will have become bright and dark lines. It is suggested that the deviation within two meters should be controlled within 1mm, which is greater stringent than ordinary texture.

Q: How to choose wall washing lamp and spotlight?

A: consumption wall-washing lights (continuous light spots) to showcase the overall texture, and spotlights (point light spots) to highlight specific design elements. The lamp position and shape must be set on the same drawing.

Q: What documents should be retained to acceptance?

A: The same batch of material samples, color number and process parameters, two groups of photos of turning on and off lights, and measured records at the base level. These serve as the basis to subsequent maintenance.