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Insulation & Building Guides

Recticel Eurothane GP PIR insulation board, 2400 x 1200mm

Insulation Aftercare: Looking After Loft Roll, ...

Practical aftercare for loft insulation, PIR boards and plasterboard: keep vents clear, protect facings, store packs dry. IWD supplies materials only.

Insulation Aftercare: Looking After Loft Roll, ...

Practical aftercare for loft insulation, PIR boards and plasterboard: keep vents clear, protect facings, store packs dry. IWD supplies materials only.

Recticel Eurothane GP foil-faced PIR insulation board showing board thickness

Mould, Condensation, Insulation and Ventilation...

How insulation, ventilation and vapour control work together against mould and condensation. Practical buying tips for loft, PIR and membranes from IWD — materials only.

Mould, Condensation, Insulation and Ventilation...

How insulation, ventilation and vapour control work together against mould and condensation. Practical buying tips for loft, PIR and membranes from IWD — materials only.

Alpha Foil Tape for sealing foil-faced insulation board joints

When to Use Foil Tape with PIR Insulation Boards

When foil tape is needed on PIR board joints, Alpha foil tape widths we stock, and when you still need a separate VCL. Practical IWD buyer’s guide.

When to Use Foil Tape with PIR Insulation Boards

When foil tape is needed on PIR board joints, Alpha foil tape widths we stock, and when you still need a separate VCL. Practical IWD buyer’s guide.

Rockwool Flexi stone wool insulation slab

Natural, Sheep’s Wool and Itch-Free Loft Insula...

Honest guide: IWD does not stock sheep’s wool or specialist itch-free polyester loft rolls. We sell Knauf mineral wool loft roll, stone wool, PIR and SuperFOIL for loft jobs.

Natural, Sheep’s Wool and Itch-Free Loft Insula...

Honest guide: IWD does not stock sheep’s wool or specialist itch-free polyester loft rolls. We sell Knauf mineral wool loft roll, stone wool, PIR and SuperFOIL for loft jobs.

Kingspan Thermaroof TR24 PIR flat roof board

How to Insulate a Balcony or Terrace: Materials...

Insulation materials for balcony and terrace build-ups: flat-roof PIR, phenolic and SuperFOIL. Waterproofing and design come first; IWD supplies materials only.

How to Insulate a Balcony or Terrace: Materials...

Insulation materials for balcony and terrace build-ups: flat-roof PIR, phenolic and SuperFOIL. Waterproofing and design come first; IWD supplies materials only.

SuperFOIL SF19+ multifoil insulation roll

How to Insulate a Conservatory: Roof, Walls and...

Materials guide to insulating a conservatory roof, walls and floors using PIR, SuperFOIL multifoil and insulated plasterboard. IWD supplies materials only — check Building Control.

How to Insulate a Conservatory: Roof, Walls and...

Materials guide to insulating a conservatory roof, walls and floors using PIR, SuperFOIL multifoil and insulated plasterboard. IWD supplies materials only — check Building Control.