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Wall Insulation

Insulation for cavity, solid, timber-frame and party walls: full and partial-fill cavity boards (Recticel Eurowall, Kingspan Thermawall, Kooltherm K106/K108), cavity batts, insulated plasterboard for internal wall insulation (K118, Mannok MLK), timber-frame boards and rolls (K112, URSA Frametec) and party wall roll. Prices ex VAT, delivered to England and Wales.

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Rockwool Flexi Insulation Slab 1200 × 600mm – 140mm (2.88m² pack)

Rockwool Flexi Insulation Slab 1200 × 600mm – 140mm (2.88m² pack)

Regular price £39.58 ex VAT£47.50 inc VAT

Regular price Sale price £39.58 ex VAT£47.50 inc VAT
Unit price per
Rockwool Flexi Insulation Slab 1200 × 600mm – 100mm (4.32m² pack)

Rockwool Flexi Insulation Slab 1200 × 600mm – 100mm (4.32m² pack)

Regular price £41.36 ex VAT£49.63 inc VAT

Regular price Sale price £41.36 ex VAT£49.63 inc VAT
Unit price per
Kingspan Kooltherm K118 Insulated Plasterboard 2400 × 1200mm – 82.5mm (70mm + 12.5mm, Pack of 9, 25.92m²)

Kingspan Kooltherm K118 Insulated Plasterboard 2400 × 1200mm – 82.5mm (70mm + 12.5mm, Pack of 9, 25.92m²)

Regular price £960.98 ex VAT£1,153.18 inc VAT

Regular price Sale price £960.98 ex VAT£1,153.18 inc VAT
Unit price per
Kingspan Kooltherm K118 Insulated Plasterboard 2400 × 1200mm – 72.5mm (60mm + 12.5mm, Pack of 11, 31.68m²)

Kingspan Kooltherm K118 Insulated Plasterboard 2400 × 1200mm – 72.5mm (60mm + 12.5mm, Pack of 11, 31.68m²)

Regular price £989.74 ex VAT£1,187.69 inc VAT

Regular price Sale price £989.74 ex VAT£1,187.69 inc VAT
Unit price per
Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 100mm (Pack of 3, 8.64m²)

Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 100mm (Pack of 3, 8.64m²)

Regular price £410.33 ex VAT£492.40 inc VAT

Regular price Sale price £410.33 ex VAT£492.40 inc VAT
Unit price per
Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 80mm (Pack of 4, 11.52m²)

Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 80mm (Pack of 4, 11.52m²)

Regular price £451.10 ex VAT£541.32 inc VAT

Regular price Sale price £451.10 ex VAT£541.32 inc VAT
Unit price per
Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 70mm (Pack of 4, 11.52m²)

Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 70mm (Pack of 4, 11.52m²)

Regular price £398.30 ex VAT£477.96 inc VAT

Regular price Sale price £398.30 ex VAT£477.96 inc VAT
Unit price per
Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 60mm (Pack of 5, 14.4m²)

Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 60mm (Pack of 5, 14.4m²)

Regular price £425.88 ex VAT£511.06 inc VAT

Regular price Sale price £425.88 ex VAT£511.06 inc VAT
Unit price per
Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 50mm (Pack of 6, 17.28m²)

Kingspan Kooltherm K112 Phenolic Framing Board 2400 × 1200mm – 50mm (Pack of 6, 17.28m²)

Regular price £431.86 ex VAT£518.23 inc VAT

Regular price Sale price £431.86 ex VAT£518.23 inc VAT
Unit price per
Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 100mm (Pack of 5, 2.7m²)

Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 100mm (Pack of 5, 2.7m²)

Regular price £114.73 ex VAT£137.68 inc VAT

Regular price Sale price £114.73 ex VAT£137.68 inc VAT
Unit price per
Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 75mm (Pack of 6, 3.24m²)

Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 75mm (Pack of 6, 3.24m²)

Regular price £103.92 ex VAT£124.70 inc VAT

Regular price Sale price £103.92 ex VAT£124.70 inc VAT
Unit price per
Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 60mm (Pack of 8, 4.32m²)

Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 60mm (Pack of 8, 4.32m²)

Regular price £111.56 ex VAT£133.87 inc VAT

Regular price Sale price £111.56 ex VAT£133.87 inc VAT
Unit price per
Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 50mm (Pack of 10, 5.4m²)

Kingspan Kooltherm K108 Phenolic Cavity Board 1200 × 450mm – 50mm (Pack of 10, 5.4m²)

Regular price £116.95 ex VAT£140.34 inc VAT

Regular price Sale price £116.95 ex VAT£140.34 inc VAT
Unit price per
Kingspan Kooltherm K106 Phenolic Cavity Board 1200 × 450mm – 115mm (Pack of 4, 2.16m²)

Kingspan Kooltherm K106 Phenolic Cavity Board 1200 × 450mm – 115mm (Pack of 4, 2.16m²)

Regular price £113.04 ex VAT£135.65 inc VAT

Regular price Sale price £113.04 ex VAT£135.65 inc VAT
Unit price per
Kingspan Kooltherm K106 Phenolic Cavity Board 1200 × 450mm – 90mm (Pack of 4, 2.16m²)

Kingspan Kooltherm K106 Phenolic Cavity Board 1200 × 450mm – 90mm (Pack of 4, 2.16m²)

Regular price £89.08 ex VAT£106.90 inc VAT

Regular price Sale price £89.08 ex VAT£106.90 inc VAT
Unit price per
Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 70mm (Pack of 6, 4.32m²)

Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 70mm (Pack of 6, 4.32m²)

Regular price £124.16 ex VAT£148.99 inc VAT

Regular price Sale price £124.16 ex VAT£148.99 inc VAT
Unit price per
Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 60mm (Pack of 8, 5.76m²)

Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 60mm (Pack of 8, 5.76m²)

Regular price £141.55 ex VAT£169.86 inc VAT

Regular price Sale price £141.55 ex VAT£169.86 inc VAT
Unit price per
Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 50mm (Pack of 10, 7.2m²)

Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 50mm (Pack of 10, 7.2m²)

Regular price £143.94 ex VAT£172.73 inc VAT

Regular price Sale price £143.94 ex VAT£172.73 inc VAT
Unit price per
Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 25mm (Pack of 20, 14.4m²)

Kingspan Kooltherm K5 Phenolic External Wall Board 1200 × 600mm – 25mm (Pack of 20, 14.4m²)

Regular price £197.88 ex VAT£237.46 inc VAT

Regular price Sale price £197.88 ex VAT£237.46 inc VAT
Unit price per
URSA PARTY WALL ROLL Glass Mineral Wool Insulation – 100mm (5.46m² roll)

URSA PARTY WALL ROLL Glass Mineral Wool Insulation – 100mm (5.46m² roll)

Regular price £43.63 ex VAT£52.36 inc VAT

Regular price Sale price £43.63 ex VAT£52.36 inc VAT
Unit price per
URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 150mm (2.46m² pack)

URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 150mm (2.46m² pack)

Regular price £33.80 ex VAT£40.56 inc VAT

Regular price Sale price £33.80 ex VAT£40.56 inc VAT
Unit price per
URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 125mm (2.46m² pack)

URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 125mm (2.46m² pack)

Regular price £29.70 ex VAT£35.64 inc VAT

Regular price Sale price £29.70 ex VAT£35.64 inc VAT
Unit price per
URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 100mm (3.07m² pack)

URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 100mm (3.07m² pack)

Regular price £29.40 ex VAT£35.28 inc VAT

Regular price Sale price £29.40 ex VAT£35.28 inc VAT
Unit price per
URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 85mm (3.69m² pack)

URSA CAVITY BATT 32 Glass Mineral Wool Insulation 1350 × 455mm – 85mm (3.69m² pack)

Regular price £32.26 ex VAT£38.71 inc VAT

Regular price Sale price £32.26 ex VAT£38.71 inc VAT
Unit price per

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© 2026, Insulation Warehouse Direct Powered by ShopifyInsulation Warehouse Direct is a trading name of Bay Drywall and Insulation Supplies Ltd, Unit 3 Babbage Court, Totnes Industrial Estate, Totnes, Devon TQ9 5JE. Company no. 14473556.

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