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140mm Celotex XR4140 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
140mm Celotex XR4140 is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Celotex is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£60.18£72.22 Ex VATInc VAT£20.90£25.08 Per M2 Add to cart -
140mm Kingspan Thermaroof TR26 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 2 (5.76m2)
140mm Kingspan TR26 Thermaroof is high-performance insulation that has a fiber-free rigid thermoset polyisocyanurate (PIR) core. Suitable for flat roof application waterproofed with mechanically fixed single-ply waterproofing.
£240.64£288.77 Ex VATInc VAT£41.78£50.14 Per M2 Add to cart -
140mm Kingspan Thermaroof TR27 PIR Insulation Board 1200mm x 1200mm Pack of 2 (2.88m2)
140mm Kingspan Thermaroof TR27 is a high performance insulation with a fibre-free rigid thermoset polyisocyanurate (PIR) core. It is used to insulate flat roofs waterproofed with fully adhered single-ply, partially bonded built-up felt, mastic asphalt and cold liquid applied waterproofing.
£123.14£147.77 Ex VATInc VAT£42.76£51.31 Per M2 Add to cart -
140mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
140mm Recticel Eurothane GP is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Recticel is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£58.05£69.66 Ex VATInc VAT£20.16£24.19 Per M2 Add to cart
140mm PIR
140mm PIR insulation is ideal for general insulation and applications that require a thick insulation board to boost thermal performance.
What is 140mm PIR insulation?
The 140mm PIR insulation board has a thickness of 140mm. It consists of a PIR centre flanked by a foil or glass tissue backing on each side. The board has exceptional thermal insulation properties, high moisture resistance, and a lightweight build.
What are 140mm PIR used for?
Due to its thick form, 140mm insulation may be ideal for some specialised applications — check with the manufacturer. It is also commonly used for these applications:
- Flooring — Use with concrete slabs, suspended timber floors, and beam and block flooring systems.
- Interior walls — It’s often used on internal masonry walls and framed wall systems.
- External walls — Used between studs on framed walls.
- Flat roofs — Installed above the deck.
- Pitched roofs — Usually fitted above, between, and underneath rafters.
- Balconies and terraces — Some may be suitable for installing over joists, depending on properties such as compressive strength and level of waterproofing; check with the manufacturer.
- Lofts — Installed over and between joists.
Types of 140mm PIR
We stock different brands of 140mm PIR insulation, among them:
- IKO Enertherm
- Celotex
- Ecotherm
- Mannok
- Kingspan
- Recticel, and
- Unilin
The 140mm PIR insulation boards come in these main sizes:
- 2400mm x 1200mm
- 1200mm x 1200mm
- 1200mm x 600mm
They also feature a pair of facings made from aluminium foil, composite foil, or glass tissue.
Benefits of 140mm PIR insulation
Here is why you should invest in 140mm PIR insulation:
- Reliability — PIR insulation is rigid and durable. It lasts for decades.
- Thermal performance — 140mm PIR insulation provides exceptional thermal performance by reducing heat loss and boosting energy efficiency.
- Stability — 140mm polyisocyanurate insulation remains stable in varying conditions, including specific temperature ranges, humidity levels, and low-level exposure to moisture, depending on location and type of building.
- Fire resistance — PIR boards have fire resistance properties that slow the spread of flames.
Why choose our 140mm PIR?
Our 140mm PIR boards are popular with builders because of their:
- Durability — PIR insulation is a durable product. Most 140mm PIR insulation sheets can last 50+ years with proper installation.
- Rigidity — The board is unlikely to snap during handling.
- Variety — We give you options from leading PIR insulation brands.
- Quality — All our 140mm PIR insulation boards come from reputable manufacturers.
FAQ
How to install 140mm PIR insulation?
The steps involved in installing 140mm PIR sheets include preparing the work area, taking measurements of both the space that needs to be insulated and the insulation panel, and resizing the board as required. You can then secure the board in position. As Insulation Wholesale emphasises, following the manufacturer’s installation guidelines reduces your chances of making errors that can negatively impact the performance of the insulation panel.
How to cut 140mm PIR insulation?
You’ll need an insulation cutter or a suitable saw to cut through a 140mm PIR board. Good choices include the plunge saw, table saw, or a good old handsaw. You’ll need a fence to guide the saw into producing a dimensionally accurate cut. If using a handsaw, you may need to cut the board in two phases because it may be challenging to keep it plumb when cutting from top to bottom: Make an initial shallow cut, then follow with a deeper cut that cuts through the entire thickness.
How much 140mm PIR insulation do I need?
The best way to determine how many 140mm PIR boards you need is by measuring the space where you will install the insulation. Add a 10-15% allowance to account for any cuts you make. Divide this number by the total coverage of one 140mm PIR board.
