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. Alitherm 400’s design incorporates Smart’s innovative polyamide thermal break technology, which creates a barrier between the cold air outside and warm air inside, significantly reducing thermal transmittance and enhancing the system’s overall U-value. The system is also fully compliant with changes to Document L of the Building Regulations, is rigorously tested to PAS 24:2016 as standard and exceeds the requirements for weather resistance and security performance.
Alitherm 400 doors perfectly complement the window range, with the same stylish lines and providing the same ease of fabrication and installation. Available as open-in or open-out, single or double doors, the system provides excellent weather and thermal performance, as well as the security assurance provided by PAS 24:2016 accreditation. Security options include a choice of key wind, lift lever or slam lock multipoint locks. Suitable for both residential and commercial applications, Alitherm 400 can also be combined with Smart’s Designer Door Panels and the company’s range of standard door furniture (including colour matched lever handles, and the Quantum range of stainless steel
For installers, Alitherm 400's new, Quick-Glaze Bead is simply tapped in on site with the gasket already in place (rather than beading followed by inserting wedge gaskets), making the installa-tion and glazing process faster, more straightforward and more cost effective. Smart Quick-Glaze Bead is available in Naturals col-ours White (WP), Black (BL) and Anthracite Grey (KL005).
...trumps the steel-type systems on thermal performance and cost.
The grasp of the importance of design and quality of manufacture from the Marlin Team is second to none.
Our high quality window and door products are backed by the same high quality customer service. Technical advisors are just a phone call away to answer all your questions no matter how technical.
Typical help provided includes:
We provide a FREE sample service to assist with surveying decisions, design considerations, or planning applications – just pick up the phone and ask.
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Our aluminium profiles are polyester powder coated by our systems suppliers using the very latest paint application techniques guaranteed for 25 years.
Fully compliant to the latest June 2022 building regulations our standard double glazing is the exceptional light transmitting, energy saving ClimaGuard® A+ low emissivity (Low-E) glass manufactured by Guardian Glass.
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External or internal single and double doors with or without side lights or top lights in our most popular standard matt black specification.
Please allow additional time for other colours.
(Terms and Conditions apply)
Terms and Conditions.
Lead time commences from the date of signed and received Order Acknowledgement and deposit.
Amendments to the order after the date of sign off will increase the indicated 3-week lead time.
Deposit refunds cannot be made if an order is cancelled after the date of sign off.
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Marlin Windows Limited would like to offer you an interest free loan on our Alitherm Heritage doors for up to 12 months.
We partner with Mitsubishi HC Capital (UK) PLC trading as Novuna, a leading financial services company with over 30 years’ experience of providing finance solutions.
The provider of choice for more than one million customers across the UK.
Credit is available to UK residents aged 18 and over and is subject to affordability, application, status and lending criteria.
You must have an email account as interest free loans apply to online credit applications only.
A deposit is required on all orders.
We also offer credit at Representative 7.9% APR variable, over terms up to 60 months.
Typical Example: Price of goods £10,000
Amount of loan : £5000
Deposit : £5000
60 monthly payments of £101.51 at an APR of 7.9%
Subject to affordability, application, status and lending criteria. A deposit is required on all orders. Terms and conditions apply.
Marlin Windows Limited is a credit broker, not a lender.
Authorised and regulated by the Financial Conduct Authority for consumer credit and non-investment insurance activities.
