"roof windows northlights"

Through this book, VELUX aims to share insights and knowledge by giving specific advice and concrete documentation on the effects and benefits of VELUX products in buildings. In connection with creating new buildings – as well as by renovating existing buildings – the specific solutions need to be considered in a holistic perspective – where usage, personal needs, function, location, orientation, building geometry and window configuration play very important roles.

Concept Patio® 68 is a well insulated sliding system that combines elegance with performance and security. This unique sliding system is characterised by its slim profiles, allowing the integration of large windows and doors for maximum views, in combination with burglary resistance class RC2. The integrated innovative technologies guarantee ultimate performances with regard to wind and water tightness and thermal insulation, meeting with the highest standards.

Cavity Trays Limited of Yeovil designed the original cavity tray and can boast more experience than any similar organisation. Our knowledgeable team can provide free design, technical advice and a scheduling service. We offer an extensive range of standard and non-standard purpose-made pre-formed cavity tray and insulated cavity closer products for all applications, including pitch roof, lean to and flat roof abutments including remedial with or without lead flashing attached. Cavity Trays of Yeovil is the only cavity tray manufacturer awarded European Technical Approval.

G-Rail 6700 ‘Skyline’ is a powerful electrically operated roof blind system for skylights and horizontally glazed openings. Featuring all the benefits of G-Rail low Voltage (24V) electric motor technology, system 6700 has built-in G-Rail CAN BUS intelligence allowing cooperation with most home automation systems. Using special aluminium profiles, without any intermediate supports, openings up to 4 metres wide can be covered whilst maintaining the light, open atmosphere of skylights and glazed roofs. The perfect system to provide shading and control of solar glare.

The flexibility of lead allows the slate base to be dressed to tiles of all profiles, avoiding wind lift or chatter problems. Bases are cut from BS EN 12588 Code 4 rolled lead sheet. The Neoprene conical upstand is vulcanised at elevated temperature and pressure in contact with the base, forming a very strong rubber-metal bond. Two conical upstand profiles are avilable, flat for 0°–30° roof pitched for 20°–40° roof pitches. Includes further details on the product, advice on use, lot sizes, health and saftey advice and product description and properties.

The Tegola range of asphalt shingle roof tiles are lightweight and suitable for roofing and wall cladding, from very low pitches to vertical. They are produced to ISO 9001 and have the ISO 14001 certification for environmental protection. They exceed the requirements of the British & European standard BS EN544 and have the top EXT.S.AA and P60 fire ratings. They are available in an attractive range of slate, clay, stone and wood colours in square, round edge, hexagonal and 2 ply laminated styles. The range also includes the Prestige copper and zinc clad tiles, which are available in natural mill finish and pre-patinated finishes.

Novia® STRP Pro is a premium specification reinforced and foil laminated polythene vapour control membrane. It is designed for use in insulated wall, roof and floor applications, including warm flat roofs, where very high concentrations of moisture vapour need to be controlled. Novia® STRP Pro is particularly suitable for use in metal profile clad industrial buildings, the education sector and commercial properties, but can be used in all insulated building constructions. This membrane must be professionally installed in conjunction with our 2-tape sealing system to ensure a fully airtight seal.

MEDITE VENT MDF is a high performance breathable external sheathing panel suitable for use in all types of timber frame structures. Combining high racking strength in excess of Category 1 requirements with excellent vapour permeability and high weather resistance, it is the perfect choice for the outer layer in "diffusion open" wall and roofing applications. The very low water vapour diffusion factor is designed to prevent interstitial condensation in wall and roof structures. Potential LEED® 2009 credit support:MRc4, 5,7 Potential LEED v4 credit support: Materials & Resource Zero added formaldehyde

Aluminium substructure assembly guide. Aluminium substructure and accessories are most often used with composite decking where a lightweight and long lasting system is required. The aluminium system can also be used with porcelain tiles and is particularly suited to flat roofs and balconies.