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Timber Joist Floor and Ceiling Systems

If you want your floor or ceiling construction to meet and even exceed the prescribed acoustic values, as regulated by the Approved document E of the Building regulations, then you will need a proper upgrade which will additionally improve the fire performance of roof linings and separating and internal floors.

The system includes innovative metal products which are much lighter than traditional timber and blockwork however strong and durable enough; board products which differ in order of fulfilling different requirements in regard to the thermal, acoustic and fire performance of the construction; finishing and fixing products, including screws, sealants and jointing materials and finally effective insulation products designed for acoustic and thermal performance and fire-stopping.

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82.5mm Kingspan Kooltherm K118 Insulated Plasterboard (70mm phenolic insulation and 12.5mm plasterboard) - pack of 9
Guide Price
Brand: Kingspan Model and Size: 2400x1200mm - 25.92m2
Delivery Time: 3 - 5 days
82.5mm Kingspan Kooltherm K118 Insulated Plasterboard is a premium performance, lower lambda internal wall insulation, with a fibre-free rigid thermoset phenolic core. It has a 12.5mm plasterboard bonded to its front surface and a composite foil based facing on its reverse surface. It is suitable fo..
Guide Price: £907.70
£1,089.24 inc VAT
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82.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (70mm PIR Insulation bonded to 12.5mm Plasterboard) 82.5mm Unilin Thin-R Thermal Liner XT/TL-MF - Mech Fix (70mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
82.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 70mm Unilin PIR core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. Unilin XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in one oper..
Guide Price: £81.53
£97.84 inc VAT
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82.5mm Unilin XT/TL Thermal Liner Dot and Dab (70mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
82.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 70mm Unilin PIR core faced with composite kraft paper bonded to 12.5mm plasterboard, specially designed for internal walls dry lining and insulation, due to its closed cell com..
Guide Price: £88.74
£106.49 inc VAT
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82.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF - Mech Fix (70mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
82.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 70mm Xtratherm Polyiso (PIR) core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in..
Guide Price: £81.53
£97.84 inc VAT
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82.5mm Xtratherm XT/TL Thermal Liner Dot and Dab (70mm PIR Insulation bonded to 12.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
82.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high-performance rigid insulation board made from a 70mm Xtratherm PIR core faced with composite kraft paper bonded to 12.5mm plasterboard. It is specially designed for internal wall dry lining and insulation. Due to its cl..
Guide Price: £88.74
£106.49 inc VAT
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Brand: Friulsider Model and Size: ISODRILL RG 82x40mm - 5.1mm
Delivery Time: 3 - 4 days
82x40mm ISODRILL RG Insulation Panel Washers 5.1mm are aluzinc washers used for fixing insulation panels.  ..
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Brand: Friulsider Model and Size: RPI Washer 82x40mm - 8.5mm
Delivery Time: 3 - 4 days
82x40mm RPI Insulation Panel Washers 8.5mm are steel, pre zinc coated washers used for fixing insulation panels.    ..
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Brand: Cellecta Model and Size: 600x2400mm - 1.44m2
Delivery Time: 2 - 4 days
83mm Cellecta XCHiP is a high performance insulation board with a 18mm chipboard laminate facing. Cellecta XCHiP combines the benefits of HEXATHERM high performance thermal insulation with a P5 moisture resistant, tongue and groove chipboard to produce a high compressive strength, interlocking ..
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84.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF - Mech Fix (75mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
84.5mm Xtratherm Thin-R Thermal Liner XT/TL-MF, this innovative composite insulated panel combines a 75mm Xtratherm Polyiso (PIR) core with foil faces, bonded to 9.5mm tapered edge plasterboard for secure mechanical fixing to internal walls. Ideal for use in new build and refurbishment projects, XT/..
Guide Price: £82.15
£98.58 inc VAT
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84.5mm Xtratherm XT/TL Thermal Liner Dot and Dab (75mm PIR Insulation bonded to 9.5mm Plasterboard)
Guide Price
Brand: Xtratherm Model and Size: 1200x2400 - 2.88m2
Delivery Time: 1-3 working days
84.5mm Xtratherm XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high performance rigid insulation board made from 75mm Xtratherm PIR core faced with composite kraft paper bonded to 9.5mm tapered edge plasterboard, specially designed for internal walls dry lining and insulation, due to i..
Guide Price: £89.33
£107.20 inc VAT
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Brand: Celotex Model and Size: 450x1200mm - 60.48m2
Delivery Time: 3 - 5 days
Celotex CG5085 is especially designed for partial fill cavity wall insulation, offering great thermal performance due to substantial R and U values, with decreased board thickness and lower emissivity values due to the aluminum foil facings on both sides of the PIR core. This set of products pr..
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85mm Dufaylite Residential Clayboard Void Former - single board
Guide Price
Brand: Dufaylite Model and Size: 1000x2440mm - 2.44m2
Delivery Time: 2 - 3 working days
85mm Dufaylite Residential Clayboard Void Former is a specially designed board consisting of a lightweight, eco-friendly and biodegradable core covered with polypropylene facings. The product is designed to prevent the common problem of expansion and shrinkage of clay soil when it is ..
Guide Price: £67.81
£81.37 inc VAT
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Brand: EcoTherm Insulation Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1 - 5 working days
85mm EcoTherm Eco-Versal is a foil faced universal solution for insulating walls, floors, pitched roofs, dormer cheeks and ceilings. It is ideal for insulating timber frame walls and can also be used to insulate solid walls internally. EcoTherm Eco-Versal comprises a fibre free rigid polyisocyanurat..
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Brand: Cordek Model and Size: 85mm x 450mm x 450mm
Delivery Time: 2 - 3 working days
85mm x 450mm x 450mm Heaveguard Pile Collar is a compressible low density Expanded Polystyrene (EPS), used to support pile heads against lateral ground heave. It is a part of the Cordek Cellcore ground heave system. The pile collar will fit securely around the pile head to produce a square edg..
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Brand: Cordek Model and Size: 85mm x 600mm x 600mm
Delivery Time: 2 - 3 working days
85mm x 600mm x 600mm Heaveguard Pile Collar is a compressible low density Expanded Polystyrene (EPS), used to support pile heads against lateral ground heave. It is a part of the Cordek Cellcore ground heave system. The pile collar will fit securely around the pile head to produce a square edg..
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Brand: Iko Model and Size: 1200mm x 2400mm - 14.40m2
Delivery Time: 2 - 3 working days
85mm IKO Enertherm ALU PIR Rigid Insulation Board is a versatile insulation board with a rigid polyisocyanurate (PIR) foam core, clad on both sides with reflective aluminium. The seven-layer gas-tight aluminium lamination enhances resistance to fire and water ingress. It’s made without CFC, HCFC, o..
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Brand: Insofast Model and Size: ISF18A - Free Delivery
Delivery Time: 1 - 2 days
85mm Staifix Insofast Anchor is a robust one-piece metal fastener designed to securely attach drywall and insulated plasterboard panels to walls. This fire-resistant anchor features a dish-profiled head, providing reliable mechanical fastening. Its fireproof construction adds an extra layer of safet..
£185.98
£223.18 inc VAT
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85mm Kingspan Kooltherm K110 Soffit Insulation Board (pack of 3)
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Brand: Kingspan Model and Size: 2400x1200mm - 8.64m2
Delivery Time: 3 - 5 days
85mm Kingspan Kooltherm K110 Soffit Board is a premium performance lower lambda insulation with a fibre-free rigid thermoset phenolic core, a 6mm glass tissue based facing on its front surface and low emissivity composite foil on its reverse surface. CHARACTERISTICSSafe and easy to handle and instal..
Guide Price: £326.65
£391.98 inc VAT
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Brand: Kingspan Model and Size: thermabate
Delivery Time: 3 - 5 days
85mm Thermabate Cavity Closer, an innovative solution designed to maintain continuous insulation around window and door openings. Crafted with a rigid thermoset urethane insulation core, this cavity closer box section ensures optimal thermal performance and condensation control. It adapts seamlessly..
£223.88
£268.66 inc VAT
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Brand: Recticel Model and Size: 600x1200 - 3.60m2
Delivery Time: 1-3 working days
85mm Recticel Powerdeck F is a durable, high strength PIR insulation board for built-up felt, mastic asphalt and single-ply membrane waterproofing systems. It has a PIR core faced on both sides with a gas tight alkali resistant facing - perforated mineral coated glass fibre tissue to both sides. It ..
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Brand: Klimas W-M Model and Size: 85mm- Free delivery
Delivery Time: 2 - 3 working days
85mm Screwed-in Helical Fastener WK-DS is for fixing lightweight non-structural components (max. 5 kg/piece) on polystyrene insulation, for example, fixing elements such as signboards, building numbers, mailboxes, lighting fixtures, motion sensors, etc. They are made from high-quality polyamide and ..
£9.64
£11.57 inc VAT
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85mm Superglass Superwall 32 Cavity Wall Batt (pack of 8) 85mm Superglass Superwall 32 Cavity Wall Batt (pack of 8)
Guide Price
Brand: Superglass Model and Size: 1200x455mm - 4.37m2
Delivery Time: 1 - 2 days
85mm Superglass Superwall 32 Cavity Batt is a lightweight, non-combustible, unfaced glass mineral wool batt for use as full or partial fill insulation in new external masonry cavity walls up to 25 m in height in domestic and non-domestic buildings. Superwall 32 is manufactured from nearly 84% recycl..
Guide Price: £51.72
£62.06 inc VAT
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85mm Superglass Superwall 36 Cavity Wall Batt (pack of 9) 85mm Superglass Superwall 36 Cavity Wall Batt (pack of 9)
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Brand: Superglass Model and Size: 1200x455mm - 4.91m2
Delivery Time: 2 - 3 working days
85mm Superwall 36 Cavity Wall Batt is a lightweight, non-combustible, unfaced glass mineral wool batt for use as full or partial fill insulation in new external masonry cavity walls up to 25 m in height in domestic and non-domestic buildings. Superwall 36 is manufactured from nearly 84% recycled gla..
Guide Price: £30.14
£36.17 inc VAT
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85mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - 2.5m Length. 85mm Undersill Flashing and Window Sill Extensions (with full end caps-pair) - 2.5m Length.
Guide Price
Brand: Wemico Model and Size: WEC731/85
Delivery Time: 1 - 2 days
85mm Undersill Flashing and Window Sill Extension is suitable for most conditions requiring the weathering of External Wall Insulation Systems and Rendering. Aluminium White Coated with peel-off low tack film to protect the section during transportation and fixing on-site. Jointing pieces to su..
Guide Price: £27.80
£33.36 inc VAT
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85mm URSA 35 Cavity Insulation Batt (pack of 6) 85mm URSA 35 Cavity Insulation Batt (pack of 6)
Guide Price
Brand: URSA Model and Size: 1350x455mm - 3.69m2
Delivery Time: 1 - 2 days
85mm URSA Cavity Batt is a lightweight, semi rigid glass mineral wool slab treated with silicon based water repellent. It is suitable for use in both fully and partially filled masonry cavity walls up to 25m high. It is manufactured from an abundant, sustainable resource and may utilise up to 80% gl..
Guide Price: £16.58
£19.90 inc VAT
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Brand: Cellecta Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 2 - 4 days
86mm Cellecta Hexatherm XCPL is a high performance extruded polystyrene thermal insulation board bonded to an high impact thermal laminate facing, suitable for car parks and soffits. It combines the benefits of high performance extruded polystyrene with a facing board to produce a composite the..
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Brand: Cellecta Model and Size: 1200mm x 2400mm - 2.88m2
Delivery Time: 2 - 4 days
86mm Cellecta Hexatherm XMD is a high performance extruded polystyrene thermal insulation board bonded to a 6mm thermal laminate facing, suitable for vertical upstands. It combines the benefits of high performance extruded polystyrene with a facing board to produce a composite thermal board to suit ..
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Brand: Unilin (prev. Xtratherm) Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 2 - 3 working days
86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board (80mm Phenolic + 6mm Building Panel) is a superior performance ceiling insulation board with enhanced fire performance, consisting of an Euroclass B s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/STP phenoli..
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Brand: Xtratherm Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 2 - 3 working days
86mm Xtratherm Safe-R SR/CW Phenolic Soffit Plus Board (80mm Phenolic + 6mm Building Panel) is a foam board is a superior performance ceiling insulation board with enhanced fire performance, consisting of a Class O phenolic foam core with negligible smoke obscuration. Safe-R SR/STP phenolic core is ..
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87.5mm Unilin Safe-R SR/TB (75mm Phenolic Core and 12.5mm Plasterboard) - Dot and Dab (pack of 4)
Guide Price
Brand: Unilin (prev. Xtratherm) Model and Size: 2400x1200 - 11.52m2
Delivery Time: 2 - 3 working days
87.5mm Unilin Safe-R SR/TB is a composite insulated panel of of 75mm Unilin Phenolic core with a glass tissue facing, bonded to a 12.5mm tapered edge plasterboard for internal applications. Unilin Safe-R SR/TB composite insulation board is fixed with dot & dab adhesive bonding. It is designed to..
Guide Price: £399.05
£478.86 inc VAT
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