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Premium PVCu & Aluminium Windows & Doors in Bristol
MB Frames is a leading manufacturer of high-quality PVCu and aluminium windows and doors, established to deliver innovative and sustainable home improvement solutions. Based in Bristol, we are the largest manufacturer of Deceuninck uPVC in the West Country, combining advanced double-glazing technology with over three decades of industry expertise. Our state-of-the-art 32,000 sq. foot facility enables us to produce up to 1,000 products weekly, ensuring reliable supply for trade partners nationwide. We specialise in bespoke designs, including casement windows, composite doors, bifold doors, and vertical sliders, tailored to meet modern energy efficiency standards. Our commitment to quality is reflected in our comprehensive product range, which includes slimline patio doors, residential doors, and aluminium systems with slim sightlines.

We support trade partners with digital marketing resources and technical expertise while providing homeowners with an easy-to-use installer finder tool. Our team maintains rigorous quality control processes, ensuring every product meets exacting security and performance criteria. With a focus on sustainability, our manufacturing techniques reduce environmental impact while delivering durable, low-maintenance solutions. We pride ourselves on exceptional customer service, offering fast online quotes, WhatsApp support, and a dedicated advisory team available Monday to Friday from 8:00 AM to 5:00 PM. Our reputation for excellence is evidenced by numerous positive customer testimonials highlighting professional installation, superior product quality, and reliable service delivery.
Services
PVCu Windows Composite Doors Aluminium Doors Bifold Doors Vertical Sash Windows Residential Doors Patio Sliding Doors French Doors Aluminium Windows
Highlights and features
  • We have over 30 years of experience in PVCu and aluminium manufacturing.
  • Our products use advanced double-glazing technology for superior energy efficiency.
  • We operate a 32,000 sq. foot facility capable of producing 1,000 products weekly.
  • We supply trade partners nationwide with digital marketing and technical support.
  • Our products meet rigorous security and performance standards.
What people say
Excellent company Brilliant service High standard Highly recommended Thorough pros
Services
PVCu Windows
Our PVCu windows combine traditional aesthetics with modern energy efficiency. Equal sightlines flood homes with natural light while advanced double-glazing technology reduces heat loss. Available in Classic 2500 and Encore 2800 series, these windows offer sculptured frames and thermal efficiency. Suitable for residential properties seeking durable, low-maintenance solutions with enhanced security features.
Composite Doors
Composite doors provide superior security, energy efficiency, and aesthetic appeal. Multi-layer construction with reinforced frames ensures durability against forced entry. Available in various designs, these doors maintain thermal performance while offering long-lasting resistance to weathering. Ideal for homeowners seeking enhanced property security without compromising visual appeal.
Aluminium Doors
Aluminium door systems offer slim sightlines with robust security features. Bifold, French, and patio door variants provide space-saving solutions and natural light integration. Corrosion-resistant frames require minimal maintenance while maintaining structural integrity. Suitable for contemporary residential and commercial properties requiring high-performance entrance solutions.
Vertical Sash Windows
Vertical slider windows replicate 17th-century timber aesthetics with modern uPVC benefits. Counterbalanced mechanisms ensure smooth operation while maintaining weatherproof seals. Available in heritage and contemporary styles, these windows suit period properties requiring energy-efficient replacements without compromising architectural authenticity.
Trade Supply Services
We supply trade partners with Deceuninck uPVC and AluK aluminium products nationwide. Services include fast online quoting, digital marketing support, and technical expertise. Trade partners benefit from bulk manufacturing capacity and access to a network of approved installers. Comprehensive product training ensures professional installation standards across all supplied solutions.
Questions
What products does MB Frames manufacture?
We produce PVCu and aluminium windows and doors, including casement windows, composite doors, bifold doors, vertical sash windows, and patio doors.
Do you supply nationwide?
While based in Bristol, we supply trade partners across the West Country and throughout the UK with our manufactured products.
How can homeowners find installers?
Homeowners can use our online tool to locate approved Royale Collection installers by entering their postcode.
What quality standards do your products meet?
Our products incorporate advanced double-glazing technology for energy efficiency, with reinforced security features meeting British safety standards.
Do you offer trade partnership opportunities?
Yes, we provide trade partners with product supply, digital marketing support, and technical resources from our Bristol facility.
What are your showroom hours?
Our Bristol showroom is open Monday to Friday from 8:00 AM to 5:00 PM by appointment only.