BPD Building Product Design Ltd
Glidevale Protect, Passivent & Kingfisher ventilation products, membranes, cavity trays & louvres
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BS 5250:2021 Management of moisture in buildings
BPD Building Product Design Ltd
All the regulations and supporting documents throughout the UK and Ireland now cite BS 5250:2021 ‘Management of moisture in buildings – Code of practice’ as the main means of compliance. Section 12 refers to roofs and is subdivided into cold roofs with large voids above horizontal insulation and warm roofs with small or no voids above sloping
insulation. The harmful effects of condensation can be controlled by the ventilation provisions shown in this white paper for BS 5250:2021.
Building Healthy Solutions for Offsite
BPD Building Product Design Ltd
As a tried and trusted offsite supply chain partner for over 40 years, we deliver innovative, value-added solutions for every link in the specification chain.
With two production facilities in the UK, our comprehensive product range provides offsite manufacturers, specifiers and developers with a range of benefits including ventilation, thermal efficiency, airtightness, fire rated solutions and condensation control.
Our blend of consultancy services and extended manufacturing capability allows us to offer a tailored product solution to support modular and volumetric construction. We understand the need for agility, budget control and for materials to be delivered on time to meet busy production schedules.
Glidevale ISO 9001 14001 OHSAS 18001 Certificate
BPD Building Product Design Ltd
ISO
OHSAS
Glidevale Protect - Fixing Instructions - 5000 Façade Wall Membrane
BPD Building Product Design Ltd
Protect 5000 Façade is a high performance, heavy duty and durable non-woven vapour permeable membrane specifically designed for use external walls in open cladding and ‘UV exposed’ applications.
Glidevale Protect - Fixing Instructions - AH4 Part L Push- Up Hatch
BPD Building Product Design Ltd
The energy conservation and air leakage requirements of Building Regulations (Approved Documents L and C) mean that a loft access hatch needs to be a high-performance product.
Site-constructed hatches are no longer adequate. Glidevale Loft Access Hatches have been designed and engineered under BS EN ISO 9001 to meet these latest demands.
Each Glidevale Loft Access Hatch comprises a frame which is fixed into a trimmed opening and has a seal to the ceiling and a trap door which is thermally insulated and has a flexible closed cell seal between door and frame.
Glidevale Protect - Fixing Instructions - AH5 Part L Hinge- Down Hatch
BPD Building Product Design Ltd
The energy conservation and air leakage requirements of Building Regulations (Approved Documents L and C) mean that a loft access hatch needs to be a high-performance product.
Site-constructed hatches are no longer adequate. Glidevale Loft Access Hatches have been designed and engineered under BS EN ISO 9001 to meet these latest demands.
Each Glidevale Loft Access Hatch comprises a frame which is fixed into a trimmed opening and has a seal to the ceiling and a trap door which is thermally insulated and has a flexible closed cell seal between door and frame.
Glidevale Protect - Fixing Instructions - AH6 1 Hour Fire-Rated Hinge-Down Hatch
BPD Building Product Design Ltd
The energy conservation and air leakage requirements of Building Regulations (Approved Documents L and C) mean that a loft access hatch needs to be a high-performance product.
Site-constructed hatches are no longer adequate. Glidevale Loft Access Hatches have been designed and engineered under BS EN ISO 9001 to meet these latest demands.
Each Glidevale Loft Access Hatch comprises a frame which is fixed into a trimmed opening and has a seal to the ceiling and a trap door which is thermally insulated and has a flexible closed cell seal between door and frame.
Glidevale Protect - Fixing Instructions - AH7 1/2 Hour Fire-Rated Push-Up Hatch
BPD Building Product Design Ltd
The energy conservation and air leakage requirements of Building Regulations (Approved Documents L and C) mean that a loft access hatch needs to be a high-performance product.
Site-constructed hatches are no longer adequate. Glidevale Loft Access Hatches have been designed and engineered under BS EN ISO 9001 to meet these latest demands.
Each Glidevale Loft Access Hatch comprises a frame which is fixed into a trimmed opening and has a seal to the ceiling and a trap door which is thermally insulated and has a flexible closed cell seal between door and frame.
Glidevale Protect - Fixing Instructions - AT301 Righthand Intraweep Abutment Tray
BPD Building Product Design Ltd
The Glidevale range includes comprehensive cavity trays designed for brick, block, or random stone external masonry walls.
They are installed at the junction where the sloping edge of a pitched roof meets a wall—that is, where the external wall becomes an internal wall below the roofline.
NHBC Standards and BS 8215 specifically recommend preformed abutment cavity trays for this application.
Glidevale Protect - Fixing Instructions - AT601 Righthand Blockwork Abutment Tray
BPD Building Product Design Ltd
A comprehensive range of cavity trays designed for use in block or random coursed stone external masonry walls.
Installed at the junction where the sloping edge of a pitched roof abuts a wall i.e. where the external wall becomes an internal wall below the roofline.
NHBC Standards and BS 8215 specifically recommend the use of preformed abutment cavity trays for this application.
Glidevale Protect - Fixing Instructions - AV50 Abutment Vent
BPD Building Product Design Ltd
Glidevale AV50 AbVent Ventilator provides unobtrusive high-level ventilation in conjunction with lead roll details on plain tile and slate roofs. It is particularly useful in top edge abutment details where there is limited vertical clearance.
Glidevale Protect has created two handy visual guides to help you choose the correct ventilation strategy for your projects, ventilation guidance according to BS5250.
Glidevale Protect - Fixing Instructions - Barriair AVCL
BPD Building Product Design Ltd
Protect BarriAir with integrated lap and sealing tapes is a high performance, multi-purpose and coated non-woven membrane which forms a highly effective air leakage barrier with vapour control qualities. Installed on the warm side of the structure immediately adjacent to the insulation, BarriAir can be used on walls and ceilings to significantly reduce air leakage in any construction, helping to meet Building Regulations and airtightness requirements. The product features a printed grid for simple alignment with timber studs or joists.
Glidevale Protect - Fixing Instructions - Corner Catchment Tray
BPD Building Product Design Ltd
The Glidevale range includes comprehensive cavity trays designed for brick, block, or random stone external masonry walls.
They are installed at the junction where the sloping edge of a pitched roof meets a wall—that is, where the external wall becomes an internal wall below the roofline.
NHBC Standards and BS 8215 specifically recommend preformed abutment cavity trays for this application.
Glidevale Protect - Fixing Instructions - FCM750 Floor Cassette Membrane
BPD Building Product Design Ltd
Protect FCM 750 floor cassette membrane is a vapour permeable air barrier specifically developed to maintain the integrity of the airtightness system at difficult intermediate floor junctions.
The product is entirely water resistant and airtight through the membrane itself yet remains highly vapour permeable to minimise the risk of harmful condensation forming at the vulnerable edges of the floor cassette. Protect lap and sealing tapes are also available separately to provide the correct seal to the internal air and vapour control layer.
Glidevale Protect - Fixing Instructions - FrameFoil FR
BPD Building Product Design Ltd
Protect FrameFoil FR is a high performance, Class A2 flame retardant, reflective air and vapour control layer (AVCL), offering low emissivity to enhance the thermal performance of walls, ceilings and floors. Suitable for internal use in steel, masonry and timber construction, FrameFoil FR is independently fire tested in both free hanging and system application achieving an A2-s1,d0 reaction to fire classification to exceed current fire regulations.
Offering Class A2 fire rated performance and excellent thermal resistance, this AVCL is complemented by the use of Protect FR Foil tape, which is available separately and manufactured using the same A2 material, giving reassurance on a fire rated system specification. By ensuring membrane overlaps are well sealed, this will also deliver effecti
Glidevale Protect - Fixing Instructions - Framesafe 5000 FR
BPD Building Product Design Ltd
Protect FrameSafe 5000 FR is a high performance, Class A2 flame retardant wall breather membrane, designed for use on the external side of the frame to integrate with open joint façade wall structures on low, medium and high rise buildings.
Protect FrameSafe 5000 FR exceeds Building Regulations Approved Document B for fire safety for structures over 11m in height, with suitability for higher risk buildings as defined in the Building Safety Act. This ensures peace of mind and assurance in specification, being future proofed against future regulation changes.
Featuring an intricately woven glass fibre fabric with a uniquely developed waterproof and fire resistant coating, Protect FrameSafe 5000 FR is specifically designed for use in open façade cladding applications and provides a primary
Glidevale Protect - Fixing Instructions - Framesafe FR
BPD Building Product Design Ltd
Protect FrameSafe FR is a high performance, Class A2 flame retardant wall breather membrane, designed for use on the external side of the frame to integrate with closed jointed façade wall structures on low, medium and high rise buildings. Protect FrameSafe FR exceeds Building Regulations Approved Document B for fire safety for structures over 11m in height, with suitability for higher risk buildings as defined in the Building Safety Act. This ensures peace of mind and assurance in specification, being future proofed against future regulation changes.
Glidevale Protect - Fixing Instructions - Fresh 100 Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fresh 80 dB Acoustic Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fresh 80 Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fresh 90 Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fresh 99H Humidity Sensitive Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fresh 99HdB Acoustic Humidity Sensitive Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fresh TLF Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fresh TLF-dB Acoustic Wall Ventilator
BPD Building Product Design Ltd
The Glidevale range of Fresh Wall Ventilators have been specifically designed to allow a controlled ventilation route into and out of buildings in order to control the formation of harmful condensation.
They use no energy to operate and have acoustic attenuation options for noisy locations.
Suitable for new build work but particularly suitable for refurbishment applications when other ventilation solutions are not possible.
Glidevale Protect - Fixing Instructions - Fulmetal RediRoll
BPD Building Product Design Ltd
Fulmetal RediRoll is an innovative universal dry fixed ventilated ridge and hip system. Manufactured entirely from aluminium, it overcomes the durability and weathering problems associated with other fabric based roll ridge systems.
Glidevale Protect - Fixing Instructions - Fulmetal UniRoll
BPD Building Product Design Ltd
New Protect Fulmetal UniRoll with unions is a universal ventilated ridge and hip system with a difference. Featuring a roll manufactured completely in aluminium for high weather proof performance, UniRoll ensures ventilation requirements are met in accordance with BS 5250, with full compliance to BS 8612 and BS 5534.
Glidevale Protect - Fixing Instructions - FV100 Over Fascia Ventilator
BPD Building Product Design Ltd
Glidevale FV Fascia Ventilators are an unobtrusive method of providing ventilation in a range of eaves details, including those without a projecting soffit. FV Fascia Ventilators must be used with RV Rafter Ventilators to provide a continuous ventilation path from roof void to outside.
FV100 Over Fascia Ventilator installed continuously provides a ventilation opening of 10,000mm²/m.
Glidevale Protect - Fixing Instructions - FV250 Over Fascia Ventilator
BPD Building Product Design Ltd
Glidevale FV Fascia Ventilators are an unobtrusive method of providing ventilation in a range of eaves details, including those without a projecting soffit. FV Fascia Ventilators must be used with RV Rafter Ventilators to provide a continuous ventilation path from roof void to outside.
FV250 Over Fascia Ventilator installed continuously provides a ventilation opening of 25,000mm²/m.
Glidevale Protect - Fixing Instructions - G5 Plain Tile Ventilator
BPD Building Product Design Ltd
Glidevale G range slate and tile ventilators are designed to ventilate through the roof slope and form an integral part of a slate or tile roof covering. They can be used at low or high level where the roof construction does not allow eaves or ridge ventilators to be used, or where complex roof shapes do not allow effective cross ventilation.
Glidevale Protect - Fixing Instructions - G5 Slate Ventilator
BPD Building Product Design Ltd
Glidevale G range slate and tile ventilators are designed to ventilate through the roof slope and form an integral part of a slate or tile roof covering. They can be used at low or high level where the roof construction does not allow eaves or ridge ventilators to be used, or where complex roof shapes do not allow effective cross ventilation.
Glidevale Protect - Fixing Instructions - GV11 Slate Ventilator
BPD Building Product Design Ltd
Glidevale G range slate and tile ventilators are designed to ventilate through the roof slope and form an integral part of a slate or tile roof covering. They can be used at low or high level where the roof construction does not allow eaves or ridge ventilators to be used, or where complex roof shapes do not allow effective cross ventilation.
Glidevale Protect - Fixing Instructions - In-line® Plain Tile Ventilator
BPD Building Product Design Ltd
Glidevale In-line® slate, tile and ridge ventilators have been designed to provide an aesthetic and unobtrusive solution to roof space ventilation. They can be used at low or high level where the roof construction does not allow eaves or ridge ventilators to be used, or where complex roof shapes do not allow effective cross ventilation.
Glidevale Protect - Fixing Instructions - Protect A1 T3 Plus
BPD Building Product Design Ltd
Protect A1 T3 Plus is a high performance, heavy-duty type HR roofing underlay designed for all cold and warm pitched roofs, developed to overcome the disadvantages of traditional Type 1F, 5U felts and plastic sheet materials and is used in conjunction with high and low level ventilation.
A new and improved fourth generation of the original A1T3 product, Protect A1 T3 Plus provides a class leading product weight of 190gsm, offering a robust secondary line of defence to the roof, whilst offering customers added value for money.
Glidevale Protect - Fixing Instructions - Protect A1®
BPD Building Product Design Ltd
Protect A1® is a high performance, heavy-duty type HR roofing underlay designed for all cold and warm pitched roofs, developed to overcome the disadvantages of traditional Type 1F, 5U felts and plastic sheet materials and is used in conjunction with high and low level ventilation. Providing a secondary line of defence against wind driven rain and snow, Protect A1® offers unrestricted use for wind uplift.
Glidevale Protect - Fixing Instructions - Protect A1® Solar
BPD Building Product Design Ltd
Protect A1 Solar is a high performance, heavy-duty type HR impermeable roofing underlay designed for use on all cold and warm pitched roofs, where in-roof Solar PV Panels are installed.
As the use of in-roof solar photovoltaic (PV) panels on new build dwellings grows, the need for a compatible membrane with appropriate high and low level ventilation is paramount. With solar PV now included in the Standard Assessment Procedure (SAP) for the notional assessment, including PV is widely acknowledged to be the most efficient way to achieve compliance to Part L 2021, helping to lower carbon emissions to hit the 31% reduction target. This also helps housebuilders future proof against the planned requirements of the Future Homes Standard in 2025.
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