High-specification composite door at an affordable price

Utilising the benefits of several different materials to provide great strength, durability and stylish looks. Composite doors are the new standard in door innovation and if security is important to you – you shouldn’t look anywhere else. Rock Solid Composite Doors are premium door at an affordable price.

Rock Solid Composite Doors is strong, durable and secure. Manufactured to an exacting and high quality specification. The GRP skins are depression moulded featuring a timber grain effect and high definition panels providing an authentic timber like door with all the advantages with minimal maintenance. The doors’ insulation properties are excellent in both sound reduction and heat retention.

70mm featured outer frame

U-values starting from 1.4 W/m2K

• Secured by Design (virtuoso doors)– 2016 PAS 24:2016

Internally glazed, multi-chambered

Millenco high-security multi-point door lock

High-performance door hinges with multiple adjustments for ease of installation

High-performance Q-Lon weather-seal

Industry-leading Ultion 3 star locks

Steel reinforcement

Excellent in both sound reduction and heat retention

Rock Solid Composite Door consists of a 4mm uPVC casing (the standard is 2mm), Steal reinformed frame, high-density foam core which provides better soundproofing and insulation than timber. Timber core also can warp and bend if exposed to moisture. Rock Solid Composite Doors are perfect for your Bristol/Bath home.


Check out our composite door guide.
What is the difference between a uPVC panel door and a composite door?


energy efficiency

10 year guarantee on product
and installation

10 year

security pledge

0% finance from £75pm over 1 years

Security and durability

The multi-point locking (Anti-Bump, Anti-Pick, Anti- Drill, Anti-Snap, Anti-Extraction) system comes as standard. All our doors come with a 10 year security pledge which means we will replace any damaged door which has been forced open by an intruder via the multi-point locking system.

Composite door experts

Award-winning service, 30 years industry experience and voted the best in Bristol for customer satisfaction; for service without compromise, always choose Polar Bear Windows.

Our composite door gallery

10 years guarantee on products and installation

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Get the ” best door on our street” service


 Ultion £1,000 guarantee 

Should a burglary take place within 5 years from the date of installation and entry was achieved by snapping an Ultion lock Ultion will pay you £1,000. Must register with Ultion.

Security without compromise

Secured by design is a flagship UK police initiative to help ‘design out’ crime through the use of high-quality innovative products and processes.

In order to achieve Secured by Design status (Virtuoso doors. 2016 PAS 24:2016 ), our composite door has been rigorously tested and must adhere to the organisation’s strict standards.


Stainless Steel Hardware

 With the furniture manufactured from 316-grade stainless steel, you can now give your customers a comprehensive anti-corrosion guarantee.


How Rock Solid Composite Doors are made

Quality front entrance doors


Check out our composite door guide.

Rock Solid Composite Doors Prices

Click the link below to design your door and get a quote. Prices include products and installation

Free quote with no-obligation home appointment

Rated the best in Bristol

Do not take our word for it – we have the most positive reviews than any other bristol-base installation company.

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