Perfect production system

DER Building has a unique, personalized, systematic and refined "18 workers" system in the industry.

Rich production experience

Shanghai DER Building aluminum doors and windows inherit the graceful lines of German architecture and Gothic architectural style, and have established a unique style image belonging to Building in the industry.

Continuous pursuit of innovation

Shanghai DER Building will continue to forge ahead and relentlessly pursue the concept of artistic door and window to every customer. Let the aluminum alloy door and window of the company become the guardian of your high-grade life, is the eternal pursuit of the company!

We Have The Best Solutions for Your Business

Shanghai DER Building aluminum doors and windows inherit the graceful lines of German architecture and Gothic architectural style, and have established a unique style image belonging to Building in the industry, becoming a new type of sun room, broken bridge aluminum alloy window and door manufacturing, etc. A series of large-scale door and window benchmarking enterprises related to design, manufacture and installation.

Shanghai DER Building will continue to forge ahead and relentlessly pursue the concept of artistic door and window to every customer. Let the aluminum alloy door and window of the company become the guardian of your high-grade life, is the eternal pursuit of the company!

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Security and Peace of Mind:

Prioritize security with uPVC doors that provide a robust defense for your property. Featuring multi-point locking systems, reinforced frames, and high-quality hardware, these doors are designed to offer enhanced protection against unauthorized access. The inherent strength of uPVC material adds an extra layer of security, ensuring that your home or establishment remains safe and secure. With uPVC doors, you can enjoy peace of mind knowing your space is well-guarded.

Features of Upvc doors

(1) Good wind pressure and impact resistance.
(2) Good corrosion resistance and long service life.
(3) Good heat preservation performance and energy saving.
(4) Good air tightness.
(5) Strong fire resistance.

How much do you know about UPVC doors

UPVC door is made of UPVC as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, ultraviolet absorbers, etc., through extruded materials, and then cut, welded or screwed to make door

PVC doors are also plastic doors. The physical properties of plastic make PVC doors flame-retardant, acid and alkali resistant, anti-microbial, abrasion resistant, and have good warmth retention and flexibility. PVC composite doors are widely used in homes, generally used in heat preservation, moisturizing, dustproof, and insect proof occasions. For sound insulation and heat preservation, it is only relative, especially in the aspect of heat preservation, which can effectively prevent air convection.

Low Maintenance and Longevity:

Choose uPVC doors for their low-maintenance attributes, offering a hassle-free option for busy households and commercial spaces. Resistant to rot, corrosion, and insect damage, these doors require minimal upkeep to retain their pristine appearance. Unlike materials demanding frequent painting or staining, uPVC doors maintain their vibrant color and texture, saving you time and effort while ensuring long-lasting visual appeal.

What users say about Del Building

The profile is thick, the waterproof is in place, the sound insulation effect is obvious when the doors and windows are closed, the service is very thoughtful, and the price is very high.

Bob

The quality is good, the aluminum doors and windows are durable and durable, very easy to use, and the appearance is still magnificent!

yoyo

The details are perfect, and overall it's really good. Very cost-effective, will continue to patronize next time!

liza

Do you have any questions?

What are the advantages of UPVC doors

Anti-corrosion, acid, alkali, salt, etc., no corrosion, mildew, and no insects in damp, salt spray, acid rain. The shape and size are stable, not loose or deformed. Excellent air tightness and water tightness.

What should I pay attention to when installing UPVC doors and windows?

The fixing piece should be installed carefully, the plastic door and window and the hole should be fixed correctly, the filling material between the plastic door and window and the wall should be cautious, and the plastic door and window mask should be peeled off at a suitable time.

What is the material of UPVC door?

It is composed of amorphous thermoplastic resin made by polymerization of vinyl chloride monomer and certain additives (such as stabilizers, lubricants, fillers, etc.)

Don't hesitate to contact us!