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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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Brand: Cellecta Model and Size: 600x1250mm - 0.75m2
Delivery Time: 2 - 4 days
120mm Cellecta Hexatherm XDRAiN is a high performance extruded polystyrene inverted thermal roof boards, featuring integrated drainage channels on their underside, which speeds up the shedding of rainwater from the roof, eliminating the need for a separating drainage mat, making them ideal for ..
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Brand: Cellecta Model and Size: 600x2500mm - 1.50m2
Delivery Time: 2 - 4 days
120mm Hexatherm XFLOOR 300 extruded polystyrene thermal insulation boards are designed specifically for domestic, commercial and industrial flooring applications where a high resistance to compression and water absorption is required. XFLOOR floor insulation boards are ideal for a multitude of floor r..
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Brand: Cellecta Model and Size: 600x1250mm - 0.75m2
Delivery Time: 2 - 4 days
120mm Hexatherm XFLOOR 500 extruded polystyrene thermal insulation boards are designed specifically for domestic, commercial and industrial flooring applications where a high resistance to compression and water absorption is required. XFLOOR floor insulation boards are ideal for a multitude of floor r..
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Brand: Cellecta Model and Size: 600x2500mm - 1.50m2
Delivery Time: 2 - 4 days
120mm Cellecta Hexatherm XPERi board has an outstanding compressive strength, low water absorption and life-long thermal performance, make them the ideal insulation for basements and below ground applications. They feature an interlocking edge detail and are suitable for fixing externally again..
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Brand: Cellecta Model and Size: 600x1250mm - 0.75m2
Delivery Time: 2 - 4 days
120mm Cellecta Hexatherm XPOOL is a specially designed closed cell extruded polystyrene board, ideal for swimming pool bases and retaining walls, due to its high comprehensive strength, which allows it to withstand imposed long-term static load. Its extremely low water absorption allows it to b..
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Brand: Cellecta Model and Size: 600x1250mm - 3m2
Delivery Time: 2 - 4 days
120mm Cellecta Hexatherm XR is a specially designed closed cell extruded polystyrene board, ideal for for both internal and external wall applications for covering with plaster or render. The board's high comprehensive strength allows it to withstand withstand heavy point loads. The board is co..
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Brand: Cellecta Model and Size: 600x1250mm - 3m2
Delivery Time: 2 - 4 days
120mm Cellecta Hexatherm XROOF 300L is an extruded polystyrene thermal insulation board designed specically for inverted roof applications where a high resistance to compression and water absorption is essential. XROOF roof insulation boards are ideal for a multitude of roofing requirements, in..
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120mm Celotex FR5000 Fire Resistant PIR Insulation Board (pack of 10) - pallet of 2 packs
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Brand: Celotex Model and Size: 1200x2400mm - 57.60m2
Delivery Time: Discontinued
Celotex FR5120 is one of the available dimensions of the Celotex FR5000 PIR insulation boards made from polyisocyanurate rigid core and faced on both side with low emissivity aluminum foils for improved thermal performance. The product is applicable to different types of constructions incl..
Guide Price: £2,123.89
£2,548.67 inc VAT
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120mm Eaves Flashing, Osill and Window Sill Extensions (with full end caps-pair) - 2.5m Length 120mm Eaves Flashing, Osill and Window Sill Extensions (with full end caps-pair) - 2.5m Length
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Brand: Wemico Model and Size: WEC721/120
Delivery Time: 1 - 2 days
120mm Eaves 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 ..
Guide Price: £26.65
£31.98 inc VAT
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Brand: EcoTherm Insulation Model and Size: 1200x2400mm - 2.88m2
Delivery Time: 1 - 5 working days
120mm 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 polyisocyanura..
£41.07
£49.28 inc VAT
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Brand: Arbet Model and Size: 1000x500mm - 2.5m2
Delivery Time: 3 - 5 days
120mm Grey Polystyrene (Graphite) is a high quality expanded polystyrene (EPS) board enhanced with integrated graphite within its bead structure and of grey colour. The high-purity graphite particles integrated within the insulation beads reflects radiant heat and significantly improves insulat..
£39.33
£47.20 inc VAT
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Brand: Iko Model and Size: 1200mm x 2400mm - 11.52m2
Delivery Time: 2 - 3 working days
120mm 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, ..
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Brand: Isomass Model and Size: 120x1250mm
Delivery Time: 3 - 5 days
120mm Isocheck Re-Mat Acoustic Isolation Strips are used to reduce structure borne noise when installed beneath block work walls, separating concrete floors from the walls. The strips are made from a rubber crumb, providing minimal creep and great structural stability. The strips are available in di..
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Brand: Jablite Model and Size: Jablite 120mm - 3.60m2
Delivery Time: 3 - 4 days
120mm Jablite External Wall Insulation Board is a very lightweight and easy to handle and install EPS 70wall board containing a flame-retardant additive, designed to be used as a part of various external wall insulation systems. It can be bonded or mechanically fixed to the wall. Installing ins..
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Brand: Kingspan Model and Size: 1250x600mm - 2.25m2
Delivery Time: 3 - 5 days
120mm Kingspan GreenGuard GG300 XPS Board is an insulation for inverted roofs, basements, car park decks, and heavy-duty commercial, industrial and cold store flooring. They have high compressive strength, and a closed cell structure which resists the absorption of ground water and the passage of wa..
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120mm Kingspan K-Roc Rainscreen Slab - 1200mm x 600mm - pack of 4 120mm Kingspan K-Roc Rainscreen Slab - 1200mm x 600mm - pack of 4
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Brand: Kingspan Model and Size: 1200mm x 600mm - 2.88m2
Delivery Time: 3 - 4 days
120mm Kingspan K-Roc Rainscreen Slab is a Class A1 reaction to fire rigid rock mineral fibre insulation slab used in rainscreen cladding applications in all buildings and is BBA certified. The board is very easy to cut and shape by using a saw or a sharp knife. It is very durable when properly ..
Guide Price: £65.21
£78.25 inc VAT
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Brand: Kingspan Model and Size: 1200mm x 2400mm - 5.76m2
Delivery Time: 3 - 5 days
120mm Kingspan Kooltherm K10 Soffit Insulation Board is a premium performance insulation solution specifically designed for soffit applications. It comprises a fibre-free rigid thermoset phenolic insulation core, which delivers exceptional thermal performance with a low thermal conductivity of just ..
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120mm Kingspan Kooltherm K107 Pitched Roof Board (pack of 2)
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Brand: Kingspan Model and Size: 2400x1200 - 5.76m2
Delivery Time: 2 - 3 weeks
120mm Kingspan Kooltherm K107 Pitched Roof Board is the rafter/joist level insulation comprising a premium performance rigid thermoset phenolic insulation core faced on both sides with a low emissivity composite foil facing. Its reflective, low emissivity surface improves the thermal resistance of a..
Guide Price: £265.23
£318.28 inc VAT
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120mm Kingspan Kooltherm K112 Framing Board (pack of 2)
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Brand: Kingspan Model and Size: 1200x2400mm - 5.76m2
Delivery Time: 5 - 7 days
120mm Kingspan Kooltherm K112 Framing Board is a a premium performance insulation with a fibre-free rigid thermoset phenolic core used for timber and steel framing systems. The rigid board is covered with low emissivity composite foil on both sides. Kooltherm K112 is implemented to improve ther..
Guide Price: £345.09
£414.11 inc VAT
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Brand: Knauf Model and Size: 120mm x 5mm - 10m
Delivery Time: In Stock 1-2 working days
120mm Knauf Hydro Flex Sealing Tape is a 120mm elastomer coated highly flexible sealing tape for the permanent and flexible sealing of joints in waterproofing areas that are at risk of scratching, e.g. sealing the connection between wall and floor in wet rooms, balconies and terraces. The tape ..
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120mm Painters Spatula Blue Dolphin
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Brand: Blue Dolphin Model and Size: 120mm
Delivery Time: 1 - 2 days
120mm Painter's Spatula Blue Dolphin is made of hardened stainless steel with an ergonomic, two-component handle.CHARACTERISTICSMade of hardened stainless steel, High abrasion resistance, An ergonomic, two-component handle...
Guide Price: £5.70
£6.84 inc VAT
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120mm Perforated Full System Base Bead
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Brand: Wemico Model and Size: WE612N
Delivery Time: 1 - 2 days
120mm Perforated Full System Base Bead Profile made from powder coated galvanised steel  with PVC nosing which will provide additional protection against abrasion and corrosion. This product can also be used as a window/door head profile. External and Internal Corners and additional sizes made ..
Guide Price: £24.85
£29.82 inc VAT
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120mm Perforated Full System Stop Bead.
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Brand: Wemico Model and Size: WE812N
Delivery Time: 1 - 2 days
120mm Heavy duty Stop profile designed for thermal insulation systems with render. Profile is made from powder coated galvanised steel with PVC nosing which will provide additional protection against abrasion and corrosion. Nosing available in a range of colours (colour can be specified during check..
Guide Price: £21.76
£26.11 inc VAT
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Brand: Koelner Model and Size: 120mm x 10mm - Free Delivery
Delivery Time: 1 - 2 days
120mm Plastic insulation panel fixings are used for fixing rigid and semi-rigid insulation boards to external solid walls. Plug and nail are made from polypropylene, the nylon nail is reinforced with glass fibre. These plastic panel fixings offer high fixing thicknesses and no thermal brid..
£40.08
£48.10 inc VAT
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Brand: Ravago Building Solutions Model and Size: 1250x600mm - 2.25m2
Delivery Time: 2 - 3 working days
120mm Ravatherm XPS X 300 SL Extruded Polystyrene Board is an extremely durable thermal insulation board made of extruded polystyrene offering exceptional thermal performance and versatility. It is a lightweight board that is able to withstand extreme loads. It is highly water resistant polystyrene ..
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Brand: Recticel Model and Size: 600x1200 - 2.88m2
Delivery Time: 1-3 working days
120mm 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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120mm Recticel Powerdeck U PIR Insulation Board for Flat Roof Hot Applied Systems - pack of 4
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Brand: Recticel Model and Size: 600x1200 - 2.88m2
Delivery Time: 1-3 working days
120mm Recticel Powerdeck U is a high performance, rigid PIR board for use in warm flat roofs under torch-on with bituminous waterproofing systems for new build and refurbishment projects and in any bitumen compatible single-ply membrane system. It is core faced on both sides with a bituminous glass ..
Guide Price: £111.03
£133.24 inc VAT
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120mm Rockwool Dual Density Slab for Insulated Renders (pack of 2)
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Brand: Rockwool Model and Size: 1200x600mm - 1.44m2
Delivery Time: 3 - 5 weeks
120mm Rockwool Dual Density Slab is a rigid thermal insulation slab specifically created for external wall applications to go directly under render.  It is made from volcanic rock, thus extremely durable and fire resistant.  The higher density outer surface of the slab is to..
Guide Price: £46.20
£55.44 inc VAT
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Brand: Rockwool Model and Size: 1000x600mm - 1.80m2
Delivery Time: 3 - 5 weeks
120mm Rockwool Frontrock MAX E is a rigid dual density thermal and acoustic insulation slab made from volcanic rock, thus extremely durable, fire resistant and specifically created for external wall applications to go directly under render. The higher density surface of the slab is to take the ..
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Brand: Rockwool Model and Size: 1200x600mm - 34.56m2
Delivery Time: 2 - 3 weeks
120mm Rockwool Rainscreen Duo Slab is a dual-density rigid insulation for use in ventilated cladding systems and sealed systems such as curtain walling. The outer layer of each slab has a higher density than the remainder of the product and added with a water-repellent agent during manufac..
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