Celotex 37.5mm Insulated Plasterboard PL4025 1.2m x 2.4m
Description
PL4000 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential.
This high performance board allows for the installation of both the insulation and plasterboard in one operation, thereby reducing installation time.
Dimensions
Length: 2400mm.
Width: 1200mm.
Thickness: 25mm insulation.
Plasterboard: 12.5mm thickness.
With Celotex PL4000 you are specifying an insulation board that:
- Offers the user the ability to install both the insulation and plasterboard in one operation, thus reducing installation times.
- Is suitable for both direct bonding ('dot and dab') and mechanically fixed installation techniques.
- Offers the installer maximum flexibility and installation speed due to the tapered edge plasterboard.
- Provides reliable long-term energy savings for buildings.
- Is suitable for both new build and refurbishment projects.
- Can be easily used to upgrade to current building regulation standards.
- Can be used in pitched roof, flat roof and wall applications.
Applications
Celotex PL4000 is purpose designed for providing thermal insulation and plasterboard as one product. PL4000 can be specified for use in a variety of applications including:
- The 'underneath' layer of insulation in between and under rafter and joist applications.
- Solid masonry walls.
- Timber frame lining applications.
Specification
Dimensions
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Questions & Answers
Question:
is this foil backed and plasterboard faced?
Answer:
One side will be foil faced with the insulation board and then the other side attached will be plasterboard bonded.
Question:
Is this really suitable for direct bonding ('dot and dab')? A builder tells me that he's had problems sticking normal celeoxtex to walls with adhesive, and that it has fallen off overnight. Presumably the insulation side of this is like standard foil-backed celotex, and thus liable to detatch from the painted wall I want it affixed to?
Answer:
In order to facilitate a lasting bond you'd need to line the foil faced side of the board with an additional adhesive (something like PVA glue) along with the actual adhesive you'd use to line the wall, this will create a strong bond that ensures that it wont fall off after installation.
Question:
What I would use to stick it to a internal wall and will it help as a sound proofer?
Answer:
We have a really good guide which shows how to actually install the product via adhesive or fixings - https://www.insulationsuperstore.co.uk/help-and-advice/project-guides/insulation/how-to-install-insulated-plasterboard/ - It will provide some acoustic benefit but would be best used in conjunction with a form of acoustic plasterboard.
Question:
What is the R value?
Answer:
The R value of this product is 1.20(m2.K/W)
Question:
Can I nail gun this directly to the interior timber wall of a garden summerhouse or is it required to have a space between the wood and insulation side of the plasterboard?
Answer:
With PIR board you are still reccomended to have an air gap to allow for ventilation and compression. Normally around 25mm if you can.
Question:
Does this product have a vapour barrier?
Answer:
Yes this product has an integral vapour barrier between the insulation and plasterboard.
Question:
Does this board act as or have an integral vapour barrier.
Answer:
The foil layer in this product would act as an integral vapour control layer, and it's aim would be to help control the flow of moisture, to help stop the likes of moisture condensating and damp formingin the building structure.
Question:
Can this board be applied direct to existing plasterboard ceilings to improve insulation values?
Answer:
These boards can be applied directly to the ceiling, as long as the exisiting plasterboard is dry and in good condition. Make sure you buy the mechanical fixings long enough to penetrate through both the insulated plasterboard and the existing plasterboard and into the rafters/beams so you get a decent embedment depth.
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Celotex 37.5mm Insulated Plasterboard PL4025 1.2m x 2.4m
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