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Home / Insulation / Loft Roll Insulation / Glass Wool Insulation / Knauf Loft Roll 44 100mm Insulation - 13.89m2 Pack

Knauf Loft Roll 44 100mm Insulation - 13.89m2 Pack

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Product Code:
114784
Brand:
Knauf
Est. Delivery: 3-5 Working Days
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£44.02 Incl. VAT
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Description

Earthwool Loft Roll 44 is a flexible low density glass mineral wool quilt which is lightweight, resilient and non-combustible. The rolls are 1140mm wide and partially perforated to produce either 2 rolls 570mm wide or 3 rolls 380mm wide.

Earthwool Loft Roll 44 has a thermal conductivity of 0.044W/mK and is classified as Euroclass A1 to BS EN 13501-1.

Earthwool Loft Roll 44 represents no known threat to the environment and has zero Ozone Depletion Potential and zero Global Warming Potential.

For pitched roofs at ceiling level and suspended timber floors.

Properties

Thickness: 100mm.
Length: 12.18m x 1140mm - 2 x 570mm / 3 x 380mm.
Thermal resistance: 2.25 m²K/W.
Thermal conductivity: 0.044 W/mK.
Fire rating: Euroclass A1 to BS EN 13501-1.

Application

Earthwool Loft Roll 44 primary use is for the thermal insulation of pitched roofs at ceiling level, it can also be used to thermally insulate floors. When used at ceiling level it is usually laid in two layers, with the first layer between the joists and the second layer over, and at right angles to the joists.

Durability
Earthwool Loft Roll 44 is odourless, rot proof, non-hygroscopic, does not sustain vermin and will not encourage the growth of fungi, mould or bacteria.

Vapour resistivity
Earthwool Loft Roll 44 offers negligible resistance to the passage of water vapour and has a vapour resistivity of 5.00MNs/g.m.

Features

  • Produced for use with timber joists at 400mm and 600mm centres.
  • Lightweight and economic insulation quilt.
  • Provides thermal, acoustic and fire performance.
  • Partially cut perforations.

Dimensions

Length 12180mm Thickness 100mm Width 1140mm

Details

Thermal Conductivity 0.044 W/mK Application Between Rafter
Ceiling
Floors
Stud Walls
Roof
Walls Material Glass Fibre Roll Size 1.14m x 12.18m
Range Loft Roll 44

Questions & Answers

Question:

What u-value would 200mm of this product give?

Answer:

Insulation on its own cannot provide a uValue, only a level of thermal resistance and thermal conductivity - a uValue is the overall thermal perfomance of an entire structure or property. 

Question:

What is the total area covered by this pack?

Answer:

This pack contains 1 roll that covers 13.89m2. 

Question:

What is the diameter of these rolls

Answer:

The sizes of the rolls around roughly 0.6m in diameter.

Have a question about this product?

Reviews

5 / 5 • 4 reviews
nadine ievers
3rd May
excellent product.
dave harris
7th February
Good value pack Mon itchy so easy to lay
Edward Brown
18th October 2020
Easy to install. Precut at 45/60cm is usually helpful, no need for a knife to install as tears easily, although I used a knife. Not itchy, skin friendly, but still advise using gloves and filter mask. Let’s see how it impacts the heating bill and comfort in the house. So far so good.
John Samuel
8th February 2020
Easy to install.
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