Based in Unit 102 Coolmine Ind Est

Attic & Roof Insulation Dublin 

Moy Isover Sarking Batt

Moy Isover Sarking Batts are high quality lightweight insulating Batts, manufactured from mineral wool. This sarking batt has been developed specifically for use in ceilings following the pitch of the roof and enclosing a habitable space, thus servicing the market of attic conversions and new dormer bungalow construction.

They are also particularly useful for timber-framed buildings, acoustic insulation in partitioning and over suspended ceilings.

For more info regarding our Dublin based energy saving solutions and insulation products, get in contact with Usher Insulations today!

Building Specification

The complete area of the top floor ceiling is to be insulated with Moy Isover Roll of a thickness of 200mm. Insulation of a width appropriate to the joist spacing to be laid between the joists and to finish over wall plate on external walls. All end joists to be close butted. Maintain a minimum 50mm Airspace between insulation and sarking-felt at eaves. Cold water tank and pipes to be separately insulated. Do not insulate under the cold water tank.

U. Value

Domestic Pitches Roofs with a typical construction as follows: 30ºC Pitches Roof, with slates or concrete tiles on timber battens, sarking felt or breather membrane underlay. Moy Plus laid between joists with Gyproc Plasterboard on under side.

U Value (W/m2K)
Moy Plus 100mm 0.37
Moy Plus 150mm 0.28
Moy Plus 200mm 0.23
Moy Plus 250mm 0.20
Moy Plus 300mm* 0.18

* 300mm of Moy Plus is used in roof spaces of special high thermal efficient houses. Leading timber frame home manufacturers use this product.


Moy Isover is the only glasswool manufactured in Ireland. It consists of a flexible, unfaced, resilient, low density glass mineral wool quilt designed for thermal, acoustic insulation and fire protection of roofs, walls, and floors of buildings, lightweight structures and partitions.

Fire Performance

Moy Isover is Non Combustible to BS476: Part 4.

For more info regarding our energy saving solutions and insualtion producst, get in contact with Usher Insulations today!

Acoustic Performance

Moy Isover is widely used for noise control purposes in a variety of applications including lightweight partitions and for sound absorption over suspended ceilings. Acoustic performance depends specifically on the thickness of the material, method of construction and other site factors.


Moy Plus is rot-proof, odourless, non-hygroscopic, does not sustain vermin and will not encourage the growth of fungi mould or bacteria.


Moy Plus rolls are compression wrapped in Polythene.

Technical Service

A Technical Service is available at Head Office; specialist staff will be pleased to discuss all aspects of insulation with architects, specifiers, builders and other users.

Advantages of using Moy Plus

  • High Thermal Insulation Value
  • Non Combustible
  • Efficient Sound Reduction
  • Vermin and Rot Proof Chemically Inert
  • Economical
  • Easy to handle and install
  • Maintenance-Free
  • Environmentally friendly
  • Product Details

Thickness mm

Width mm


Area Per Roll m2

Thermal Conductivity

Thermal Resistance




20.00 sq.m






15.00 sq.m






12.00 sq.m






11.28 sq.m






10.00 sq.m






6.96 sq.m






5.00 sq.m



Moy Plus can be produced with facing or backing materials such as paper, polythene, tissue or foil.

Note: Also available in split sizes:

100mm – 2 x 600 and 3 x 400
150mm – 2 x 580 and 3 x 386
200mm – 2 x 580 and 3 x 386

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