Targeted aerosol solutions engineered to penetrate fresh drywall gaps, new cabinetry, and structural voids.
Handing over the keys to a newly renovated home represents a major milestone. However, the process of remodeling, structural adjustment, and material installation often leaves a property highly susceptible to insect infestations. Understanding the underlying reasons is crucial for choosing the right insect killer and preventive strategy.
Wet construction processes like plastering, painting, tiling, and concrete pouring release gallons of water into the indoor air. This high humidity attracts moisture-loving pests like booklice, silverfish, and fungus gnats.
Modern wallpapers, drywall tapes, wood glues, and flooring underlayments contain starch, cellulose, and organic compounds. These materials act as an abundant food source for silverfish, carpet beetles, and termites.
Drilling for electrical wiring, HVAC lines, plumbing, and gas pipes creates hidden pathways between walls and floors. If not sealed and treated immediately, they become highways for ants, spiders, and cockroaches.
Often, pests are brought directly into the home inside the building materials themselves. Unfinished timber, structural wood studs, and wooden pallets used for transporting tiles can harbor wood-boring beetles, termites, or carpenter ants. When these materials are sealed behind drywall or under subfloors, the insects continue to breed, eventually chewing their way through plaster and baseboards. Using a preventative, residual insect killer spray before sealing up these cavities is a standard industrial practice that prevents costly future remediation.
The global market for pest control aerosols in residential construction is undergoing a rapid evolution. Real estate developers, interior design firms, and property management companies are increasingly recognizing the value of pre-occupancy pest treatment. Instead of addressing pest problems reactively after the homeowner moves in, commercial operators are integrating pest prevention directly into the final stages of the renovation process.
As the demand for specialized, high-performance insecticides grows, professional distributors and brand owners rely on advanced manufacturing factories like Guangdong Depur Biotechnology Co., Ltd. to produce high-stability aerosols. The chemical engineering behind aerosol packaging involves optimizing pressure, propellant types (such as LPG or compressed nitrogen), and nozzle designs to ensure that the active insecticidal ingredients are dispersed evenly into hard-to-reach structural voids.
Different areas of a newly renovated house require distinct pest control strategies. Standard surface spraying is often insufficient. Here is a breakdown of how to apply aerosol insect killers across key structural scenarios:
Custom-built cabinets are usually made of MDF, particleboard, or plywood. The joints, hinges, and the narrow space between the cabinet backboard and the concrete wall are prime nesting sites for German cockroaches and silverfish.
Application Method: Use an aerosol can equipped with a precision straw applicator. Direct the spray into the gap behind the cabinets, inside hinge recesses, and along the kickboards. Ensure the product is dry before storing kitchenware or food items.
Modern interior designs frequently feature suspended ceilings with hidden LED light troughs. These areas collect dust, retain rising warm air, and are completely undisturbed, making them ideal habitats for spiders, moths, and silverfish.
Application Method: Apply a fine mist insect killer along the ledge of the light trough. For closed drywall ceilings, access panels should be used to spray a residual aerosol into the void to establish a long-term pest-free zone.
Before laminate or hardwood flooring is laid down, the subfloor is covered with foam underlayment. Any moisture trapped underneath can cause localized mold growth, attracting booklice. Once the flooring is finished, the expansion gaps along the walls are covered with baseboards, leaving a hollow channel behind them.
Application Method: Spray a residual barrier insect killer along the baseboard lines, paying special attention to corners and doorways where pests are most likely to cross.
Central air conditioning ducts and plumbing pipes pass through walls and ceilings, creating direct connections to external environments or adjacent apartments. Ants, mosquitoes, and flies use these conduits to enter newly renovated spaces.
Application Method: Treat the outer rim of duct vents and the entry points of plumbing pipes under sinks and behind toilets with a fast-acting knock-down spray, followed by a residual barrier spray to deter future entry.
Guangdong Depur Biotechnology Co., Ltd. is a core manufacturing factory under the Hengchang Group. Relying on the Group's over ten years of in-depth accumulation in the aerosol industry since its establishment in 2014, it has built a modern source manufacturing benchmark integrating R&D, production, and sales.
The company focuses on technological innovation in aerosol and liquid products, with customized one-stop solutions at its core, providing safe and efficient, full-chain OEM/ODM services to global brand owners and distributors, deeply covering multiple fields such as personal care, home cleaning, and automotive maintenance.
Our commitment to chemical safety, precise aerosol dispensing, and eco-friendly packaging makes us a trusted partner for brands supplying insect killers specifically formulated for new construction, commercial renovations, and residential home handovers.
Our state-of-the-art manufacturing facilities are designed to meet the highest international standards of safety, output, and environmental responsibility, ensuring consistent product quality for global distribution.
The company's new production base is scheduled to be completed and put into operation in November 2025, located in Nanxiong, Guangdong, covering an area of 50 mu, with a total investment of 126 million yuan. It is planned to build 3 Class A workshops and 1 Class C workshop, equipped with 100,000-level clean production spaces, and 11 fully automatic aerosol production lines and 2 liquid filling lines, with a daily production capacity of 600,000 cans.
At the same time, a 9,000-square-meter intelligent warehousing system will be built to achieve full-process intelligent control of production and warehousing. The base has passed the dual certifications of ISO9001 quality system and ISO14001 environmental system, and has formed a professional quality inspection team of 12 people with an average of over 6 years of experience. It completes more than 8,000 batches of product tests throughout the year, with a detection data accuracy rate of 99.8%, strictly controlling the entire process from raw material storage to finished product delivery, laying a solid foundation for product quality.
Relying on the Guangzhou Huadu Research and Development Center established in August 2025, the company has built an innovative service system with rapid response: sample production within 3 hours, formula optimization within 24 hours, and precise product problem location within 3 hours. It has accumulated over 3,000 mature formulas and launches more than 50 new products each year. It also possesses five special qualifications.
This rapid formulation capability allows us to adapt quickly to changing international pesticide regulations, offering our clients custom solutions that include low-toxicity options, botanical active ingredients, and specialized propellants suited for residential application in newly renovated homes.
Our chemical formulations and manufacturing processes comply with international safety, environmental, and quality control systems.
Select from our full range of fast-acting household and commercial aerosol insect killers.