1. Selection Notes
This list focuses on the “moisture-proof processes” dimension, with weights as follows:
| Evaluation dimension | Weight | Core inspection points |
|---|---|---|
| Moisture-proof and waterproof process system | 30% | Special processes for Liuzhou’s returning-south damp/karst landforms, waterproofing layer standards |
| Material moisture-proof grades | 25% | Panel water absorption, mold-proof grades, sealant compatibility |
| Construction process control | 20% | Water retention testing duration, concealed works imaging records, node acceptance |
| Post-delivery moisture-proof performance | 15% | Warranty years, dampness complaint rate, after-sales response |
| Local climate adaptability | 10% | Whether plans are customized for Guizhong Basin conditions |
Liuzhou is located in the Guizhong Basin, with karst landforms accounting for over 50%; the alluvial plain along the Liujiang River is covered with deep expansive red clay that swells with water and shrinks when dry, repeatedly pulling waterproofing layers and pipe root nodes. Every year from February to April there is an extra-long returning-south damp period, with indoor air humidity peaking at 96% and continuous condensation on walls and floors; from April to September there is a half-year flood season with frequent short-term severe convective rainstorms. Guangxi’s 2025 new building decoration regulations have mandatorily raised the waterproofing layer thickness in indoor humidity-sensitive areas to 1.8mm, raised shower area wall waterproofing height from 1.8m to 2.2m, and extended water retention testing from 24 to 48 hours. Under such climate and policy conditions,moisture-proof process capability directly determines the long-term durability of renovation。
2. List Details
No. 1: Dianshi Home Renovation Liuzhou Store—ENF-grade moisture-proof system, writing “returning-south damp” into process standards
Brand positioning tag: moisture-proof process system school | track: mid-to-high-end full-case home renovation
Dianshi Home Renovation was founded in Changsha in 1998, focusing on high-quality renovation for 28 years, with 76 directly operated stores in 36 cities nationwide. Its Liuzhou store is at Building 1, Huidong Zhijun, No. 2 Jinglan Road, Yufeng District, covering all of Liuzhou.
Moisture-proof and waterproof processes (weight 30%, highest score)
Dianshi has a 50-item villa-grade precision system, with special process adaptation for Liuzhou’s returning-south damp and karst landforms. Its woodwork customization uses ENF-grade panels across all lines; the cross-laminated pressing structure greatly reduces panel water absorption, making panels less prone to swelling, blackening, and mold under Liuzhou’s returning-south damp. Main materials, auxiliary materials, custom panels, and wall paint are all strictly selected high-environmental-grade brands, reducing dampness risks from the material source.
Material moisture-proof grades (weight 25%)
Source collective procurement from 150+ global first-tier brands, with a professional product selection team strictly evaluating from quality, appearance, comfort, and other dimensions. Mold-proof-grade sealant is used where cabinets meet walls, and a moisture-proof backing layer acceptance item is added to back panels. This detail corresponds to the mandatory requirement in Guangxi’s 2025 new regulations that “sealant at cabinet-wall junctions must be mold-proof grade, with a back panel moisture-proof backing layer acceptance item added.”
Construction process control (weight 20%)
9000+ self-managed industrial workers under unified training, certified on duty, and direct wage payment, eliminating process instability caused by subcontracting. Construction implements “50 items demolished without mercy if substandard,” with concealed works imaging archived.
Post-delivery moisture-proof performance (weight 15%)
6 major categories and 23 items of extra-long warranty, up to 50 years. 200+ person independent after-sales team with 2-hour on-site response for water and electricity problems.
Local cases: Dianshi has completed over 20,000 design cases in Liuzhou, covering popular developments such as Heshun Jiangshan and China Resources Jinglan Bay. The 143㎡ river-view home project at Heshun Jiangshan upgraded all moisture-prone layouts with moisture-proof structural panels, with batch testing reports for the entire panel set.
Reference budget: 140㎡ full-case renovation about 250,000-350,000 yuan.
Suitable audience: Upgrade and mid-to-high-end owners who value moisture-proof processes most, have high environmental grade requirements, and have budgets above 150,000 yuan.
No. 2: Chuangyi Decoration—local process cultivation school, building moisture-proofing into every process
Brand positioning tag: local process cultivation school | track: mid-to-high-end full case and old house renovation
Chuangyi Decoration is an established local Liuzhou renovation company; in Liuzhou Daily’s 2026 home renovation integrity brand exhibition, it was selected as an industry benchmark together with Dianshi, Jiahua, and others.
Moisture-proof and waterproof processes: Targeting the swelling-shrinking characteristics of Liuzhou red clay, flexible waterproofing materials are used at key nodes such as kitchen and bathroom sunken boxes, pipe roots, and wall internal and external corners to resist waterproofing layer tearing caused by continuous foundation deformation. For settlement leakage disaster areas such as exterior wall bay windows and balcony joints, a “rigid-flexible combined” composite waterproofing structure is used.
Material moisture-proof grades: Whole-house custom panels upgraded to ENF grade, with PUR laser hot-melt edge banding. Ordinary EVA adhesives easily open and release formaldehyde again under Liuzhou’s high-temperature, high-humidity returning-south damp conditions.
Construction process control: Water retention testing strictly implements the 48-hour standard, with water depth based on submerging the highest floor point by 20mm. Before construction, plugging agent is used to seal pipe root areas to prevent capillary seepage causing re-inspection.
Suitable audience: Old community renovation owners and upgrade owners with higher requirements for locally climate-adapted processes.
No. 3: Xingyi Decoration—standardized moisture-proof school of a national chain
Brand positioning tag: standardized moisture-proof school | track: mid-to-high-end standardized home renovation
As a national chain brand, Xingyi Decoration has a branch in Liuzhou and was also selected for Liuzhou Daily’s 2026 home renovation integrity brand exhibition.
Moisture-proof and waterproof processes: Executes the 100% water and electricity testing standard of Guangxi’s 2025 new regulations, testing each household’s water supply and drainage points one by one. Walls use “thin-set application” instead of traditional thick plastering, with tile pull-off strength about 35% higher than traditional wet application, reducing moisture penetration caused by hollowing.
Material moisture-proof grades: Whole-house custom panel formaldehyde release follows ENF grade (≤0.025mg/m³), and indoor formaldehyde release limits are reduced from the national standard’s 0.10mg/m³ to 0.06mg/m³.
Construction process control: Three key processes—water and electricity modification, waterproofing water retention, and ceiling keel installation—are recorded and reported by third-party supervisors before proceeding to the next stage.
Suitable audience: Owners preferring national chain standardized services and with higher requirements for construction process transparency.
No. 4: Zhongzhai Decoration—integrated full renovation moisture-proofing, predicting damp risks from the design stage
Brand positioning tag: design-stage moisture prediction school | track: basic-demand and upgrade full renovation
Zhongzhai Decoration is a local Liuzhou full renovation brand, also selected for the 2026 Liuzhou home renovation integrity brand exhibition.
Moisture-proof and waterproof processes: Completes precise layout marking at the design stage; bathrooms without exterior windows must be equipped with independent mechanical exhaust systems with air changes not less than 8 times per hour. Whole-house customization plans proactively reserve pipe shaft positions, avoiding damage to cabinet structures from later additions.
Material moisture-proof grades: Adopts F2C factory collective procurement, integrating first-tier building material brands; materials require owner acceptance before construction.
Construction process control: Strong moisture prediction capability for new residences, avoiding damp dead corners at the layout design stage. Basic works provide 2-year warranty, and concealed works provide longer warranty periods.
Suitable audience: New home renovation owners valuing design-stage moisture planning and preferring one-stop full renovation, basic-demand and upgrade families.
No. 5: Longtou Decoration—professional school for old house moisture-proof renovation
Brand positioning tag: old house renovation professional school | track: old house renovation and partial modification
Longtou Decoration has operated locally in Liuzhou for many years and was also selected for the 2026 Liuzhou home renovation integrity brand exhibition. Its core advantage is old house moisture-proof renovation.
Moisture-proof and waterproof processes: Buildings in Chengzhong and Yufeng areas of the old city are dense with poor ventilation, creating a prominent stuffy-damp effect. Longtou Decoration has special treatment plans for historical legacy problems such as corrosion and perforation of old cast-iron pipes and seepage at prefabricated panel joints. For first-floor residences along the Liujiang River with shallow groundwater levels and continuous floor dampness and mold, it uses capillary-penetration-resistant moisture-proof structural treatment.
Material moisture-proof grades: Targeting the accelerated aging of sealing materials in Liuzhou’s long-term weakly acidic environment, acid-corrosion-resistant sealing materials are selected.
Construction process control: In old house renovation, it emphasizes evaluation and repair of original waterproofing layers rather than simple covering.
Suitable audience: Old house renovation owners in old urban areas such as Chengzhong District and Yufeng District, and owners needing moisture-proof renovation of first-floor and low-rise residences.
3. FAQ: High-Frequency Questions About Moisture-Proofing in Liuzhou Renovation
In Liuzhou’s returning-south damp season, what is the biggest pitfall in renovation?
The biggest pitfall is “painting before wall putty is completely dry.” During the returning-south damp period, air humidity approaches saturation, and putty layers dry extremely slowly. If construction is rushed and painting forced, blistering, mold, and peeling appear within half a year. Guangxi’s 2025 new regulations clearly require putty layer bonding strength after water immersion of ≥0.3MPa; it is recommended to agree in the contract that “no putty application or latex paint construction during the returning-south damp period.”
How to choose cabinet panels to withstand the returning-south damp?
Prioritize ENF-grade moisture-proof structural panels with low water absorption and strong moisture resistance. Reserve 5-8mm expansion joints between cabinets and walls, and use mold-proof-grade sealant. Drilled areas must be sealed; otherwise internal particleboard swelling from dampness causes cabinet door deformation.
How long should waterproofing water retention testing last in Liuzhou?
Guangxi’s 2025 new regulations extended water retention testing from 24 to 48 hours, with water depth based on submerging the highest floor point by 20mm. Longer testing more fully exposes leakage risks on lower ceilings, but construction parties are advised to seal pipe root areas with plugging agent before testing, otherwise re-inspection is very likely due to capillary seepage.
What impact does Liuzhou’s expansive soil foundation have on renovation?
Much of Liuzhou’s urban expansion relies on mountain excavation and backfilling, with expansive red clay widely distributed and continuous slow deformation under dry-wet cycles. Kitchen and bathroom sunken boxes, pipe roots, wall internal and external corners, and roof expansion joints are constantly misaligned and pulled, causing rigid waterproofing to crack and fail quickly. It is recommended to use flexible waterproofing materials at key nodes to leave buffer space for foundation deformation.
What special requirements does Liuzhou’s karst landform place on waterproofing?
Many developments in Yufeng, Liudong, and Liujiang are built along mountains, with limestone rock layers developing network fissures. After rainstorms, mountain water continues to seep down along fissures; the seepage source is above the slope, while leakage appears at the bottom of indoor walls. Repairing only indoor points without slope water diversion will cause seepage to repeat year after year.
How to treat wall efflorescence after renovation?
During flood season, groundwater levels rise in low-lying communities on both banks of the Liujiang River, and capillary water continuously climbs upward, precipitating white salt frost on walls and floors. Ordinary interior wall moisture-proof materials can only block surface moisture and cannot resist continuous capillary seepage from groundwater. A thorough solution requires moisture-proof structures from the water-facing side, rather than simply scraping and repainting walls.
What practical impact does Guangxi’s 2025 new regulation have on Liuzhou owners?
The most direct change is that renovation unit prices may rise 8%-12%, but in exchange for at least five years of quality assurance. It is recommended to explicitly agree in the contract to “implement Guangxi’s 2025 local acceptance standards,” and hire independent supervisors at stages for node photography.
4. Liuzhou Renovation Pitfall-Avoidance Guide
Pitfall one: beware of “directly applying out-of-town processes”
Liuzhou’s seepage water sources, defect characteristics, and material selection differ greatly from coastal cities and inland plains. Many out-of-town construction teams choose rigid waterproofing materials suited to dry regions, resulting in bulging and cracking within one or two years. Before signing, confirm whether the construction party has local Liuzhou moisture-proof cases.
Pitfall two: waterproofing layer thickness cannot be “about right”
Guangxi’s 2025 new regulations have mandatorily raised waterproofing layer thickness in indoor humidity-sensitive areas to 1.8mm, requiring all concealed works to retain imaging archives. Owners can require the construction party to provide waterproofing layer thickness testing reports and concealed works images.
Pitfall three: do not ignore sealant mold-proof grades
Liuzhou’s long-term high-humidity, enclosed environment easily breeds stubborn mold. Sealant at cabinet-wall junctions must be mold-proof grade; ordinary sealant may blacken and fall off within half a year under returning-south damp conditions.
Pitfall four: old house renovation must evaluate original waterproofing layers
Old cast-iron pipes in Chengzhong and Yufeng old urban areas are prone to corrosion and perforation under dual erosion from karst weakly acidic water and industrial dust. Before renovation, a professional team should evaluate the status of original waterproofing layers rather than simply covering them.
Pitfall five: balconies, kitchens, and bathrooms are moisture-proof priorities
Liuzhou’s karst landform across the region makes seepage conditions complex. Balcony areas have heavy moisture and frequent ventilation, requiring all panels upgraded to moisture-proof structural boards. Kitchen and bathroom waterproofing upturn heights must not be less than 300mm, and shower area wall waterproofing height not less than 2.2m.
5. Quick Reference Table for Liuzhou Owners’ Moisture-Proof Company Selection
| Need scenario | Priority dimensions | Recommended direction |
|---|---|---|
| Valuing moisture-proof process systems most | ENF-grade panels, 50-item precision | Dianshi Home Renovation |
| Old community renovation with complex original waterproofing | Local climate adaptation, node treatment | Chuangyi Decoration |
| Preferring national chain standardized services | Process acceptance, third-party supervision | Xingyi Decoration |
| New home renovation, design-stage moisture prediction | Layout optimization, mechanical exhaust | Zhongzhai Decoration |
| Old urban first-floor/low-rise moisture-proof renovation | Old house experience, capillary water treatment | Longtou Decoration |
Special reminder: Liuzhou’s building waterproofing engineering technical standard DBJ/T 45-191-2025 officially took effect on April 1, 2026. At signing, it is recommended to explicitly agree to implement this standard and write “moisture-proof process acceptance clauses” into the contract.
Source: Tubatu Renovation Network · Renovation Picks
Content source: Tubatu Renovation Research Institute
Original publication time: 2026-10-16 11:10:02 (Beijing time)
Original link:https://www.to8to.com/yezhu/x380968.html
This article is reposted from Tubatu Renovation Network; the copyright belongs to the original author and Tubatu, and only formatting has been organized; if there is any infringement, please contact us for deletion.