Windows, Doors & Glazing
248 sources in the library on windows, doors & glazing. Each one says what the document covers and what it is good for. Name a source to see which document it is and where to read it. One at a time. Page 6 of 7.
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Lawsons (Whetstone) Ltd
the retail price Lawsons (Whetstone) Ltd publishes for Ply Flush Internal Doors, which is the supply figure the cost book records for this item
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Liniar (HL Plastics)
Liniar lead-free multi-chambered uPVC window profile with a co-extruded bubble gasket, glazing flipper and thermal dam. Liniar states its window systems reach Window Energy Rating A++ and U-values as low as 1.2 W/m2K using double glazing rather than triple. The Liniar EnergyPlus range has 6 chambers and can achieve a U-value as low as 0.8 W/m2K. The range holds PAS 24 enhanced security certification and Secured by Design accreditation, with multi-point locking and reinforced frames.
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Mila Hardware
the maker's own fitting and adjusting instructions for the ProSecure Pace flag hinge, which set out the three adjustments and their ranges: lateral movement of up to 5 mm in either direction using a 4 mm hex key after releasing the unlock cam, height adjustment lifting the hinge by up to 5 mm with a 5 mm hex key, and compression adjustment by pushing out the hinge pin
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Naylor Concrete Products
Hi-Spec prestressed concrete lintels with a 30 minute fire rating as standard. Fourteen section sizes in widths of 100 mm, 140 mm, 190 mm and 215 mm, with lengths from 450 mm to 4800 mm depending on section. Additives and the concrete strength make them suitable for use below ground. Supplied with a textured finish for plastered or rendered work. They can be cut to length without adversely affecting performance, and each lintel is marked at the top to ensure correct orientation during installation. Fixings may be made on site provided the prestressing tendons remain undamaged. Certified to BS EN 1992-1-2:2004, BS EN 845-2:2013+A1:2016, BS EN 206:2013+A2:2021 and BS 8500-1:2015, with prestressing wire to BS 5896:2012.
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Naylor Concrete Products
Naylor prestressed concrete lintels are designed to Eurocode 2 Part 1-1 and conform to BS EN 845-2:2013+A1:2016. Concrete strength 50 N/mm2 throughout the range. Standard lengths 600 mm to 3600 mm, with bespoke lengths up to 4800 mm. End bearing allowances supplied as standard: 100 mm each end for openings up to and including 1000 mm, 150 mm for openings up to and including 3000 mm, and 200 mm for openings over 3000 mm, with the designer responsible for checking these do not over-stress the masonry. Low water absorption from the dense mix means they can be used underground provided the ends are encased in a minimum 45 mm of mortar over the ends of the reinforcing strands. Camber is inherent in a prestressed element and is limited to L/250. Fixings can be made into the lintel provided the tendons are undamaged. Materials comply with BS EN 206:2013+A2:2021 and BS 8500-1:2015, prestressing wire with BS 5896:2012.
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Origin Global
Origin aluminium bi-fold door systems. OB36+: 36mm sightline, U-value as low as 0.78 W/m2K. OB49: 49mm sightline, U-value up to 1.1 W/m2K. OB72: 72mm sightline, U-value up to 1.1 W/m2K. All three systems meet PAS 24; the OB49 and OB72 additionally carry police-preferred Secured by Design accreditation, which the OB36+ does not. Guarantee up to 20 years standard (10 years frame and 5 years hardware in marine environments).
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Origin Global
Origin aluminium window systems compared. OW70: 65mm sightline, whole-window U-value up to 1.2 W/m2K. OW80: 91mm sightline, U-value as low as 0.8 W/m2K when upgraded with Aerogel insulation in the profile. Tilt and Turn: 91mm sightline, U-value up to 0.83 W/m2K. All Origin windows are PAS 24 and Secured by Design accredited. Guarantee up to 20 years standard, reduced to 10 years on the frame and 5 years on hardware in a marine environment.
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Pilkington (NSG Group)
Pilkington K Glass S is a UK-manufactured off-line coated low-emissivity glass with a neutral appearance that lets solar heat through. Pilkington states it can help windows achieve Window Energy Ratings of band A and higher across PVC-U, timber and aluminium frames, against the minimum band B required for windows in Table 4.2 of Approved Document L Volume 1. Available annealed and can be toughened or laminated without loss of performance or change of appearance. Contrast with Pilkington K Glass, the original on-line (pyrolytic hard) coated product normally used as the inner pane of a double glazed unit.
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Rockdoor (Masonite UK)
Rockdoor composite front door construction: a 50mm sash with a high density insulating core, tight seals, a reinforced aluminium inner frame and multi-point locking. S-Glaze technology integrates the glazing into the door slab rather than using external glazing cassettes, removing the cassette as an attack point. Many door styles meet Secured by Design standards. Rockdoor states typical installed cost for a UK composite front door is around GBP 1,500-2,000 supplied and fitted, ranging from about GBP 850 for basic installations to over GBP 3,000 for premium options.
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Ronseal
Manufacturer coverage and method data for an exterior wood paint. Coverage is up to 12 m2 per litre, double the 6 m2 per litre of the same maker's fence treatment because the substrate is planed rather than sawn. It is touch dry in one hour with four hours between coats. No primer is required. Ronseal's stated preparation rule is 240 grit for a light sand where the old paint is sound, and 120 grit where the paint is cracked or flaking. The protection claim is 10 years.
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Ronseal
Manufacturer data for a wet rot wood hardener used to consolidate rotten timber before filling. Dry time is two hours and only one coat is applied. It is clear, brush applied, and supplied in 250ml and 500ml sizes. Ronseal states it soaks deep into rotten wood to strengthen it and sets rock hard, providing a base for filling cracks and holes in doors, windows and frames, inside or outside. VOC content is declared as very high, which is the reason for ventilation and why it is not an interior job to do casually.
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Ronseal
Manufacturer data for a two part exterior grade wood filler. It dries in 30 minutes and can be filled to any depth, and the formula is stated not to shrink or crack even in harsh weather. The working window is roughly 20 minutes to carve or shape the filler before it hardens, and it should be smoothed over with a knife before it sets. The 20 minute working time against a 30 minute dry is why this filler is mixed in small batches rather than a whole tub at once.
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Saint-Gobain Glass UK
Saint-Gobain ORAE, described as the lowest-carbon flat glass in the Saint-Gobain range and the world's first EPD-verified lower-carbon glass. Carbon footprint 5.88 kg CO2e/m2 for 4mm glass, made with 64% recycled content (as defined in ISO 14021) and renewable electricity. Available 4mm, 6mm, 8mm, 10mm and 12mm; COOL-LITE XTREME ORAE is available in 4, 6, 8 and 10mm. Saint-Gobain states ORAE and standard flat glass achieve the same light transmittance, U-value and g-value, so the saving is embodied carbon rather than performance. For partitions, balustrades and balconies it should be specified laminated and toughened.
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Saint-Gobain Glass UK
Saint-Gobain Planitherm NEO low-e glass, UK manufactured with up to 40% recycled glass through the Glass Forever cullet programme. In a 4mm-16mm-4mm double glazed unit with 90% argon and the coating on face 3: centre-pane U-value 1.0 W/m2K with a solar factor (g-value) of 54%. In a 4-16-4-16-4 triple glazed unit with 90% argon and coatings on faces 3 and 5: centre-pane U-value as low as 0.5 W/m2K. Available as Stadip and Stadip Protect laminated glass in 4mm, 6mm, 6.4mm (33.1) and 6.8mm (33.2). Note these are centre-pane Ug values, not whole-window Uw; the g-value drives the BFRC Window Energy Rating.
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Saint-Gobain Glass UK
Saint-Gobain Planitherm Total+ low-e coated glass in a 4(16)4 double glazed unit with the coating on face 3 and 90% argon fill: centre-pane U-value 1.2 W/m2K, light transmittance 79%, light reflectance 13%, solar factor (g-value) 71%. Available laminated as Stadip and Stadip Protect in 4mm, 6mm, 6.4mm (33.1) and 6.8mm (33.2) with maximum sizes 3210 x 2550mm (3210 x 6000mm for some laminated). Saint-Gobain notes the figures are centre-pane and that whole-window U-values and Window Energy Ratings are separate; combined with a second coating the range reaches U-values as low as 0.6 W/m2K.
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Saint-Gobain Glass UK
Saint-Gobain TIMELESS anti-corrosion glass for shower enclosures and bath screens: a near-invisible fully mineral coating applied to PLANICLEAR low-iron clear float glass, resisting limescale, dirt and corrosion so the glass does not develop the white haze that dulls standard shower glass. It cleans with standard household methods rather than specialist cleaners, contains no intentionally added organic chemicals such as PFAS, is recyclable, and carries a 10-year guarantee against corrosion.
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Sunsquare Ltd
Sunsquare Aero Electric Roof Access rooflight, which opens fully to 90 degrees for roof access under wall switch control, with a laminated pane. Published U-values are as low as 1.18 W/m2K for the access unit as standard, with glazing upgrades taking the range down to 0.5 W/m2K. Non-fragile glazing.
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Sunsquare Ltd
Sunsquare Aero electric skylight. U-values as low as 0.5 W/m2K with standard high performance glazing (non-fragile glass with laminated inner pane). Upgraded 29.5mm insulating glass unit: 6mm clear toughened soft coat low-E outer pane, 12mm black warm edge spacer bar, 11.5mm clear laminated heat-strengthened inner pane. CU.in glazing using suspended-film technology reaches U-values around 0.4 W/m2K in a slim lightweight unit; triple glazing is also offered. Made to order in standard and bespoke sizes.
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Sunsquare Ltd
Sunsquare skylight range, made in Bury St Edmunds. SkyView rooflight: U-values as low as 0.5 W/m2K, non-fragile glazing tested to ACR[M]001:2014, electric ventilation options; a fire-rated SkyView with CERTIFIRE certification is also offered. Horizon external walk-on glass roof panels for terraces: load capacities up to 5.0 kN/m2 uniformly distributed and 4.5 kN concentrated, U-value 0.94 W/m2K. Internal walk-on floorlights: anti-slip glass to British standards for wet areas, U-values as low as 0.5 W/m2K, 99% UV filtering. Pyramid multi-pane roof lantern: from GBP 1,198 excluding VAT, standard sizes from 800 x 800mm, slim aluminium frame, U-values as low as 0.5 W/m2K, 10 year frame warranty, optional self-cleaning glass. Aero electric roof access rooflight opens fully to 90 degrees; Aero Pyramid opens to 30 degrees.
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VEKA plc
VEKA UK PVCu window and door systems. All VEKA systems are BSI Kitemark certified and made under an ISO 9001:2015 quality management system, with CCPI-conformant product information for the windows set (VEKA states it is the first UK systems house to achieve CCPI conformance for a windows product set). Systems can be configured to meet PAS 24 and deliver whole-window U-values as low as 0.75 W/m2K depending on configuration. Range covers casement, flush, fully reversible, tilt and turn, vertical slider and Omnia windows, and bi-fold, flush, patio, residential and French doors. VEKA Recycling operates the UK's first dedicated PVCu window recycling plant and recycled PVCu is used in a range of the systems.
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VELUX Company Ltd
VELUX 3in1 roof window, three sashes in a single opening. Glazing 70 Comfort double glazed: whole-window Uw 1.3 W/(m2K), g-value 0.46, 35 dB. Glazing 66 Well-being triple glazed: Uw 1.0 W/(m2K), g-value 0.44, 37 dB. Roof pitch 15-90 degrees for centre-pivot, solar and top-operated versions, 15-55 degrees for the manual top-hung outward opening version. VELUX recommends a window-to-floor area ratio of 15-20% for roof windows, rising to 25-30% where the window is overshadowed, to reach EN 17037 median daylight.
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VELUX Company Ltd
VELUX centre-pivot and top-hung roof windows, glazing options quoted as whole-window Uw (not centre-pane Ug). Glazing 70 Comfort double glazed: Uw 1.3 W/(m2K), g-value 0.46, 35 dB sound insulation. Glazing 68 Better Comfort triple glazed: Uw 1.1 W/(m2K), g-value 0.49, 35 dB. Glazing 62 Comfort extra noise reduction triple glazed: Uw 0.92-0.96 W/(m2K), g-value 0.47, 42 dB. Suitable roof pitches 15-90 degrees for centre-pivot, top-operated and solar/electric versions; 15-65 degrees for the electric top-hung outward opening version and 15-55 degrees for the manual top-hung. All glazing includes rain noise reduction, safety laminated inner pane, toughened outer pane and a UV filter.
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VELUX Company Ltd
VELUX curved glass rooflight: Urc,ref300 of 0.55 W/(m2K), the whole rooflight including a 300mm reference upstand, declared for the fixed variant with three-layer glazing at 1.2 x 1.2m with a 300mm curb to EN 1873:2014+A1:2016, Arc,ref300 = 4.4 m2. The curved glass top sheds rainwater on roof pitches down to 0 degrees. Base unit double or triple insulating glass with laminated inner pane P4A; sound insulation 42 dB with triple glazing; burglary resistance class 2 as standard.
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VELUX Company Ltd
VELUX dome with glazing, for roof pitches 0-15 degrees: U-value 0.80 W/(m2K) declared for the fixed anti-burglary variant with a 2-layer glazing unit, calculated at window size 1.2 x 1.2m with a 300mm curb to EN 1873:2014+A1:2016, A = 3.4 m2. Sound insulation 36 dB. Note this is the assembly figure including the upstand, not a centre-pane value.
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VELUX Company Ltd
VELUX flat glass rooflight: energy performance is quoted as Urc,ref300 of 0.60 W/(m2K), which is the whole rooflight including a 300mm reference upstand, not a centre-pane Ug and not a bare unit U-value. The declared figure is for the fixed variant with a three-layer glazing unit, at a window size of 1.2 x 1.2m with a 300mm curb, calculated to EN 1873:2014+A1:2016, with Arc,ref300 = 4.1 m2. Top unit is toughened glass, base unit a double or triple insulating glass unit with laminated inner pane to class P4A. Sound insulation up to 42 dB (curved variant, triple glazed). Supplied burglary resistant as standard to resistance class 2. VELUX recommends rooflight area of at least 10% of room floor area to meet EN 17037 (300 lux for 50% of the year over 50% of the room), rising to 15-20% where the window is overshadowed.
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VELUX Company Ltd
VELUX Heritage conservation roof window, a slim flush-fitting window resembling a traditional cast iron attic window. Glazing 01 Comfort double glazed: whole-window Uw 1.3 W/(m2K), g-value 0.56, 35 dB. Glazing 02 Better Comfort double glazing using advanced vacuum-insulated technology: Uw 1.1 W/(m2K), g-value 0.54, 37 dB. Note the vacuum unit reaches triple-glazing Uw in a double-glazed thickness, which is the point of it for conservation work. VELUX recommends a window-to-floor ratio of 15-20% for roof windows (25-30% where overshadowed) to meet EN 17037 median daylight.
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VELUX Company Ltd
VELUX Low pitch roof window is made for roof pitches of 10-20 degrees, below the 15 degree minimum of the standard centre-pivot range. Glazing 15 Better Comfort triple glazed with glass-to-edge: whole-window Uw 1.1 W/(m2K), g-value 0.50, sound insulation 35 dB. VELUX states a low pitch roof window admits about twice as much daylight as a vertical window of the same size.
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VELUX Company Ltd
VELUX mini dormer roof window. Glazing 70 Comfort double glazed: whole-window Uw 1.3 W/(m2K), g-value 0.46, 35 dB. Glazing 62 Comfort extra noise reduction triple glazed: Uw 0.92-0.96 W/(m2K), g-value 0.47, 42 dB sound reduction. Roof pitch 15-90 degrees for the top-operated version and 15-55 degrees for the manual top-hung outward opening version.
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VELUX Company Ltd
VELUX roof balcony window, which opens to form a balcony. Glazing 66 Well-being triple glazed: whole-window Uw 1.0 W/(m2K), g-value 0.44, sound insulation 37 dB.
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VELUX Company Ltd
VELUX sun tunnel for flat roofs, available only in 14 inch / 35cm diameter. Rigid version: recommended tunnel length 0.9m to 6m, with up to 98% daylight reflectivity from the super high reflective coating; the ZTR extension tunnel is recommended where the ceiling-to-roof distance exceeds 170cm, taking total length to 600cm. Flexible version: recommended tunnel length for a flat roof is 0.2m to 0.9m only. The integrated cover frame suits flat and profiled roof coverings up to 12cm high but not standing seam metal. Ventilation adapter (TWR 0K14 only) has a 10cm pipe connection.
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VELUX Company Ltd
VELUX sun tunnel for pitched roofs. Rigid tunnel: 25cm and 35cm diameters, recommended tunnel length 0.9-6m, highly reflective coating giving up to 98% daylight reflectivity; extension tunnel ZTR is recommended where ceiling-to-roof distance exceeds 170cm, taking total length to 600cm. Flexible tunnel: 35cm diameter only, recommended length 1.5m, for use where a beam or other obstruction blocks a straight run. Integrated cover frame suits flat and profiled roof coverings up to 12cm high; not suitable for standing seam metal roofing. Optional low U-value kit ZTB. Ventilation adapter (TWR 0K14 only) has a 10cm pipe connection.
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Vufold
A national online door supplier's price list for its aluminium sliding patio doors. It lists the 3.0 m by 2.1 m two-door set from 3,189 pounds, supply only.
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Whitesales Ltd
Whitesales bespoke aluminium lantern rooflight: spans from under 1m up to 7m unsupported, and larger with a supporting framework. Standard slope 30 degrees, with bespoke pitches available. Glazing options are polycarbonate multiwall or solid sheet, or single, double or triple glazed glass (clear, opal diffused or heat reflect polycarbonate); thickness and type are determined by the unit size and configuration. Installed on a site-formed upstand or a proprietary em.curb, terminated with glazed gable ends, hipped ends, wall abutments or open ends, with bays at equal centres as standard.
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Whitesales Ltd
Whitesales em.curb proprietary rooflight upstands, compatible with single ply (bonded, welded or mechanically fixed), torch-on felt, hot melt, asphalt, GRP and liquid waterproofing systems. Options include 150 Splayed GRP for circular units with integral 10mm polyurethane foam insulation, and 150 Splayed uPVC in extruded white multi-chambered profile. Whitesales states that choosing a vertical kerb rather than a splayed one increases daylight transmission by up to 40%, and that kerb selection changes the overall thermal transmission and U-value of the rooflight, which is why an installed rooflight U-value must be quoted with its upstand.
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Whitesales Ltd
Whitesales em.dome modular rooflight: over 140 sizes from 400 x 400mm to 1900 x 2900mm, in a range of shapes, profiles and glazing options, with many sizes ex stock for next day delivery if ordered before 2pm. Normally specified with proprietary em.curb upstands but can be installed on builder's curbs; curb adaptors are available where the dome replaces an existing rooflight. Compliant with HSG33 recommendations (the HSE guidance on health and safety in roof work).
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Whitesales Ltd
Whitesales em.glaze flat glass electric opening rooflight, with single or tandem actuators that communicate with each other. Air tightness Class 4 at 60 Pa to EN 12207 / EN 1026 (note the opening version is rated at 60 Pa where the fixed Premium is rated at 300 Pa and higher). Thermal insulation 1.24 W/m2K with a uPVC 150mm vertical upstand, to EN/ISO 10077-1, EN/ISO 10077-2, EN67 and DS418. Non-fragile to CWCT Class 1 as standard. 15 stock sizes in 3-5 days, bespoke sizes in 5-8 weeks.
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Whitesales Ltd
Whitesales em.glaze flat glass Premium modular rooflight. Glazing is a 32mm hermetically sealed double glazed low-E argon-filled unit with a warm edge spacer and toughened outer pane; standard frit width 84mm. Two distinct U-figures are published and should not be conflated: thermal insulation of the rooflight installed on a uPVC 150mm vertical upstand is 1.24 W/m2K (to EN/ISO 10077-1, EN/ISO 10077-2, EN67, DS418), while the Ud-value of the complete glass unit tested vertically is 1.23 W/m2K. Recommended installation pitch on an em.curb or builder's upstand is 5 to 15 degrees. em.curb upstand options include ECO uPVC 150mm splayed or vertical, 300mm splayed and 350mm oversleeve splayed. Aluminium frame is thermally broken and fully welded, powder coated Anthracite Grey RAL 7016 as standard. 14 stock sizes on 3-5 day delivery.
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Whitesales Ltd
Whitesales em.glaze flat glass Resi rooflight, glass-to-edge design, 11 stock sizes on 24 hour to 3-5 working day delivery, available fixed, manual opening or electric opening. Tested performance: air tightness Class 4 at 300 Pa to EN 12207 / EN 1026; thermal insulation 1.3 W/m2K when installed with a uPVC 150mm vertical upstand, calculated to EN/ISO 10077-1, EN/ISO 10077-2, EN67 and DS418. The site notes explicitly that this figure is a U-value for the installed rooflight and that Ud-values (glass unit) are quoted separately, which is the distinction that gets confused.
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Whitesales Ltd
Whitesales em.glaze linked glass rooflight: non-fragility tested to CWCT Class 2 as standard (the higher classification is Class 1, which the ray.lux and electric opening em.glaze carry), noting that the class depends on the glass specification chosen. Secure welded thermally broken glazing frame with self-supporting joints. Recommended installation pitch 5 to 15 degrees; steeper is generally acceptable subject to Whitesales technical advice. Available in bespoke sizes and glass specifications.
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Whitesales Ltd
Whitesales em.glaze Skyvu aluminium roof lantern: internal rafters 38mm for slim sightlines, U-value from 1.3 W/m2K, supplied double glazed as standard with two glazing options. Designed to sit on a fully weathered timber upstand 150mm above the finished roof level and 100mm wide.