Get A Quote
One of our team would be happy to have a chat with you about your requirements, answer any unanswered questions and measure up at a time that suits you to provide you a free, no obligation quote.
Choosing a new front door is about far more than appearance. It needs to feel solid, perform well year after year, and give genuine peace of mind. At Sheerwater Glass, we only work with manufacturers we trust completely, which is why Hallmark Doors are a core part of our offering.
Hallmark has been manufacturing composite doors for over 30 years, focusing on build quality, long-term performance and details that genuinely make a difference once a door is fitted. Whether you are replacing an existing entrance or choosing a door for a new build, here are ten reasons Hallmark doors stand out.
1. Height adjustable hinges for a perfect fit
Hallmark doors are fitted with height adjustable hinges, allowing precise alignment during installation. This means correct gaps, smooth operation, and a door that stays exactly where it should.
Over time, poorly hung doors can drop, stick or become difficult to close. Adjustable hinges reduce that risk, helping ensure the door continues to perform properly long after installation. It is one of those small details that makes a big difference to everyday use.
2. GRP core board slabs built for real security
Security should be about real-world protection, not just ticking boxes on a test sheet. Hallmark doors use GRP core board slabs with additional reinforcement throughout the door leaf.
This construction provides excellent resistance against forced entry, offering strength where it matters most. The result is a door that feels solid, secure and reassuring every time you close it behind you.
3. Steel reinforced frames for long-term strength
The door frame plays a vital role in overall performance. Hallmark frames are steel reinforced, helping prevent bowing, twisting or movement over time.
Some manufacturers cut corners by leaving frames unreinforced or filling them with offcuts. Hallmark does not. The reinforced frame helps maintain shape and stability, improving security and reducing the likelihood of future adjustments or issues.
4. Aluminium edge carriers on both sides of the slab
Attention to detail is where quality really shows. Hallmark doors feature aluminium edge carriers on both sides of the door slab.
These help prevent warping, bowing and twisting over time, especially with changing temperatures and weather conditions. Many doors either skip this feature entirely or only apply it to one side. Using aluminium on both sides helps ensure long-lasting performance and fewer callbacks.
5. Superior woodgrain finishes with real depth
If you are choosing a woodgrain finish, the look and feel matter. Hallmark’s GRP skins are based on the texture of American ash, creating natural depth and variation that looks far more authentic than pressed PVC alternatives.
The result is a door that captures the character of timber, without the maintenance issues traditionally associated with wooden doors.
6. Excellent thermal efficiency for modern homes
Hallmark composite doors are designed to be around 19 percent more thermally efficient than traditional timber doors. That means better insulation, improved comfort, and reduced heat loss.
A thermally efficient door helps meet modern building regulations and can contribute to lower heating bills over time. It is a practical upgrade that delivers benefits you notice every day, particularly during colder months.
7. Fit-and-forget design that installers trust
A well-engineered door makes installation smoother and more reliable. Hallmark doors are solid, accurately manufactured and designed to fit with minimal adjustment.
This leads to cleaner installs, fewer issues, and a door that simply works as it should. For homeowners, that translates into confidence that the door has been fitted properly and will continue to perform without fuss.
8. A proven 10 year warranty backed by experience
A warranty only means something if it is backed by experience. Hallmark has over 30 years of manufacturing behind them, with hundreds of thousands of doors produced and supported.
Their 10 year warranty reflects long-standing confidence in their products, not just a promise from a brand that has only been around a few years. That history matters when you are making a long-term investment in your home.
9. Reliable lead times and dependable delivery
Availability and reliability are often overlooked, but they matter. Hallmark holds a large volume of door slabs in stock, allowing for fast production times once an order is placed.
With a dedicated delivery fleet and regular site deliveries, projects stay on schedule and installations are not delayed unnecessarily. It is a level of organisation that supports a smooth, stress-free process from order to fitting.
10. Competitive pricing without constant increases
Hallmark offers competitive pricing without frequent price rises. In fact, there has only been one increase in four years.
That stability helps keep projects predictable and avoids the frustration of constant cost changes. It is a refreshing approach in a market where price volatility has become all too common.
A door built to last
At Sheerwater Glass, we believe a front door should look good, feel secure, and perform reliably for years to come. Hallmark doors deliver on all three.
From reinforced construction and thoughtful engineering to authentic finishes and strong thermal performance, they are doors built with care, experience and longevity in mind. If you are considering a new front door and want something you can truly rely on, a Hallmark door is well worth choosing.
Get in touch with our friendly team today, we’re always happy to have a chat and answer any questions you may have.
