High-specification composite door at an affordable price

Rock Solid Composite Doors in partnership with Polar Bear Windows

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.


• Industry leading Ultion 3 star cylinders is Secure by Design – Police

preferred specification

 High-security multi-point door lock

Internally glazed for security

Excellent in both sound reduction (31 decibels) and heat retention

 MarineSpec – the anti-corrosion hardware

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

High-performance Q-Lon weather-seal

Steel reinforcement

Virtually maintenance free

• Any RAL colour or 9 standard popular colours

Signature composite door (44.5mm) is 17%+ more thermally efficient than a solid timber core composite door (48mm) and a timber panelled door (44mm).

Rock Solid Composite Door consists of a high-impact 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.


Download the Rock Solid Composite Doors 2020 brochure today. 

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

View More
Show Less

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.


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


Check out our composite door guide.

Your safety has always been important to us

We take the wellbeing of our customers and staff very seriously and have increased preventative measures and set up new protocols in the wake of the Covid-19 virus. We will continue to deliver on our promise of installing quality products with excellent customer service; whilst ensuring your safety.

You can read our Safety Promise here.

If you prefer not to have a home appointment with one of our designers, there is several other ways of getting a quote:
Design tool (see below) Video consultation (Let us know a time and day which suits you)
Rough price based on your measurements (via email or call)
Website live chat (bottom right of your screen there will be a staff member waiting to help you)

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.

    • review
    • review
    • review
    • review
    • review
    • review
    best in