Double L
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Specialists in Fire Protection including Door Sets, Compartmentation and Fire Screens, in addition to Joinery & Roofing services. As members of the National Federation of Roofing Contractors, Competent Roofer Scheme and we are an Accredited Supplier for the provision of Passive Fire Protection. Passive Fire protection is an integral part of ensuring that a building is adequately protected against the spread of fire.

Passive fire protection attempts to contain fires or slow the spread, through use of fire-resistant walls, floors, and doors etc. Joined Double L Ltd in 2002 as Operations Manager, following 28 years working in the City of London in the financial sector, managing operations across the UK for Barclays. Has day to day responsibility for the financial and day to day running of the company and large roofing projects.

Joined the Double L Ltd group in 2012 following the purchase of Thundersley Joinery. Phil has a widespread knowledge of joinery and has worked for a number of joinery companies over the last 35 years.
Services
Double L Ltd has been trading since 1975 and was formed by Len Bird & Les Smith undertaking all types of roofing refurbishment, roof renewal or roof repair works.
The company has maintained its family values and business acumen, whilst maintaining the moral and ethical values on which the company was originally founded.
The Double L Group image has recently been updated, but has kept the originality of the "LL" created in the original Logo over 40 years ago from "Len & Les".
We strive to grow and develop our business whilst encouraging the development of our workforce.
Double L Ltd are an independent company providing services to a high level using high performance components throughout all areas of work we undertake.
We are able to provide comprehensive technical support to all clients within the spheres of works we currently undertake, we aim to provide sound information that clients can base decisions upon providing solutions and costings.
We have worked on a variety of commercial properties, social housing portfolios and on municipal buildings for a variety of clients.
New door sets doors that provide either 30 minute or 60 minute fire protection can be designed, manufactured and installed.
We are able to offer the design and installation of door sets that can meet the current approved documents for building regulations that fulfil the relevant 'U' value, secure by design and the correct fire rating.
We have our own in House Surveyors that will produce CAD drawings and specifications for one off bespoke glazed screen designs that factor in all relevant information for the screens to be fully assessed by an independent third party, who in turn will produce an engineering assessment report supporting the proposed designs.
Passive fire protection is an integral part of ensuring that a building is adequately protected against the spread of fire.
Passive fire protection attempts to contain fires or slow the spread, through use of fire-resistant walls, floors, and doors etc.
Where pipes cables etc. are run in either vertical or horizontal ducts, risers or ceiling voids and pass above a defined fire door set for example, there will be a need to enclose the space between the top of the frame and the underside of the structural background/floor slab to form a compartment.
A variety of window styles and shaped heads can be manufactured from a selection of timbers both softwood and hardwood dependent upon the clients requirements, these range from standard casement sashes and frames, storm-proof sashes, curved headed frames, bay windows and double hung spring balanced sliding sashes.
A selection of draught proofing and weather seals can be incorporated into to each design.
If required single panes or alternatively sealed units can also be supplied to suit the joinery that we manufacture.
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