Howarth Timber & Building Supplies

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Products (490)

Velux EDJ UK04 2000 Pro+ Single Tile Flashing Recessed 1340 x 980mm

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£252.84 each (Inc VAT)

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£210.70 each (Ex VAT)

The Pro+ (2000) flashing set comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and eliminating cold...

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£252.84 each (Inc VAT)

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£210.70 each (Ex VAT)
Velux EDL CK02 2000 Single Slate Flashing & BDX 550 x 780mm

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£106.30 each (Inc VAT)

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£88.58 each (Ex VAT)

VELUX EDL CK02 slate flashing kit with BDX insulation collar ensures a watertight roof window installation. Buy online today.

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£106.30 each (Inc VAT)

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£88.58 each (Ex VAT)
Velux EDL CK04 2000 Single Slate Flashing & BDX 550 x 980mm

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£109.39 each (Inc VAT)

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£91.16 each (Ex VAT)

VELUX EDL CK04 slate flashing kit with BDX insulation collar provides reliable weatherproof installation. Buy online or Click & Collect today.

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£109.39 each (Inc VAT)

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£91.16 each (Ex VAT)
Velux EDL CK06 2000 Single Slate Flashing & BDX 550 x 1180mm

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£114.55 each (Inc VAT)

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£95.46 each (Ex VAT)

VELUX EDL CK06 slate flashing kit with BDX insulation collar delivers secure weatherproof roof window installation. Buy online today.

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£114.55 each (Inc VAT)

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£95.46 each (Ex VAT)
Velux EDL MK04 2000 Single Slate Flashing & BDX 780 x 980mm

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£122.81 each (Inc VAT)

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£102.34 each (Ex VAT)

VELUX EDL MK04 slate flashing kit with BDX insulation collar ensures professional roof window installation. Buy online or Click & Collect.

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£122.81 each (Inc VAT)

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£102.34 each (Ex VAT)
Velux EDL MK06 2000 Single Slate Flashing & BDX 780 x 1180mm

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£129.00 each (Inc VAT)

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£107.50 each (Ex VAT)

VELUX EDL MK06 slate flashing kit with BDX insulation collar provides reliable weather sealing and insulation. Buy online today.

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£129.00 each (Inc VAT)

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£107.50 each (Ex VAT)
Velux EDL PK06 2000 Single Slate Flashing & BDX 940 x 1180mm

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£146.54 each (Inc VAT)

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£122.12 each (Ex VAT)

VELUX EDL PK06 slate flashing kit with BDX insulation collar provides secure, weatherproof roof window installation. Buy online today.

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£146.54 each (Inc VAT)

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£122.12 each (Ex VAT)
Velux EDL PK08 2000 Single Slate Flashing & BDX 940 x 1400mm

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£153.77 each (Inc VAT)

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£128.14 each (Ex VAT)

VELUX EDL PK08 slate flashing kit with BDX insulation collar ensures long lasting weather protection. Buy online or Click & Collect today.

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£153.77 each (Inc VAT)

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£128.14 each (Ex VAT)
Velux EDL PK10 2000 Single Slate Flashing & BDX 940 x 1600mm

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£157.90 each (Inc VAT)

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£131.58 each (Ex VAT)

VELUX EDL PK10 slate flashing kit with BDX insulation collar creates a reliable waterproof roof window fit. Buy online today.

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£157.90 each (Inc VAT)

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£131.58 each (Ex VAT)
Velux EDL SK06 2000 Single Slate Flashing & BDX 1140 x 1180mm

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£151.70 each (Inc VAT)

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£126.42 each (Ex VAT)

VELUX EDL SK06 slate flashing kit with BDX insulation collar delivers dependable weatherproof installation. Buy online today.

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£151.70 each (Inc VAT)

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£126.42 each (Ex VAT)
Velux EDL UK04 2000 Single Slate Flashing & BDX 1340 x 980mm

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£162.02 each (Inc VAT)

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£135.02 each (Ex VAT)

VELUX EDL UK04 slate flashing kit with BDX insulation collar provides a professional, watertight roof window fit. Buy online today.

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£162.02 each (Inc VAT)

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£135.02 each (Ex VAT)
Velux EDL UK08 2000 Single Slate Flashing & BDX 1340 x 1400mm

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£174.41 each (Inc VAT)

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£145.34 each (Ex VAT)

VELUX EDL UK08 slate flashing kit with BDX insulation collar ensures durable weather protection for roof windows. Buy online today.

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£174.41 each (Inc VAT)

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£145.34 each (Ex VAT)
Velux EDN CK02 2000 Pro+ Single Slate Tile Flashing Recessed 550 x 780mm

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£171.31 each (Inc VAT)

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£142.76 each (Ex VAT)

The Pro+ (2000) flashing set from Velux comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and...

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£171.31 each (Inc VAT)

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£142.76 each (Ex VAT)
Velux EDN CK04 2000 Pro+ Single Slate Tile Flashing Recessed 550 x 980mm

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£174.41 each (Inc VAT)

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£145.34 each (Ex VAT)

The Pro+ (2000) flashing set from Velux comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and...

WAS: each

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£174.41 each (Inc VAT)

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£145.34 each (Ex VAT)
Velux EDN CK06 2000 Pro+ Single Slate Tile Flashing Recessed 550 x 1180mm

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£182.66 each (Inc VAT)

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£152.22 each (Ex VAT)

The Pro+ (2000) flashing set from Velux comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and...

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£182.66 each (Inc VAT)

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£152.22 each (Ex VAT)
Velux EDN MK06 2000 Pro+ Single Slate Tile Flashing Recessed 780 x 1180mm

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£206.40 each (Inc VAT)

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£172.00 each (Ex VAT)

The Pro+ (2000) flashing set from Velux comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and...

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£206.40 each (Inc VAT)

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£172.00 each (Ex VAT)
Velux EDN MK08 2000 Pro+ Single Slate Tile Flashing Recessed 780 x 1400mm

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£219.82 each (Inc VAT)

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£183.18 each (Ex VAT)

The Pro+ (2000) flashing set from Velux comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and...

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£219.82 each (Inc VAT)

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£183.18 each (Ex VAT)
Velux EDN PK08 2000 Pro+ Single Slate Tile Flashing Recessed 940 x 1400mm

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£245.62 each (Inc VAT)

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£204.68 each (Ex VAT)

The Pro+ (2000) flashing set from Velux comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and...

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£245.62 each (Inc VAT)

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£204.68 each (Ex VAT)
Velux EDN SK06 2000 Pro+ Single Slate Tile Flashing Recessed 1140 x 1180mm

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£243.55 each (Inc VAT)

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£202.96 each (Ex VAT)

The Pro+ (2000) flashing set from Velux comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and...

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£243.55 each (Inc VAT)

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£202.96 each (Ex VAT)
Velux EDP CK04 2000 Plain Tile Flashing BDX & BFX 550 x 980mm

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£109.39 each (Inc VAT)

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£91.16 each (Ex VAT)

VELUX EDP CK04 plain tile flashing kit with BDX and BFX insulation collars ensures professional roof window fitting. Buy online today.

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£109.39 each (Inc VAT)

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£91.16 each (Ex VAT)
Velux EDP PK08 2000 Plain Tile Flashing BDX & BFX 940 x 1400mm

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£153.77 each (Inc VAT)

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£128.14 each (Ex VAT)

VELUX EDP PK08 plain tile flashing kit with BDX and BFX insulation collars provides durable waterproof protection. Buy online or Click & Collect today.

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£153.77 each (Inc VAT)

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£128.14 each (Ex VAT)
Velux EDP PK10 2000 Plain Tile Flashing BDX & BFX 940 x 1600mm

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£157.90 each (Inc VAT)

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£131.58 each (Ex VAT)

VELUX EDP PK10 plain tile flashing kit with BDX and BFX insulation collars provides a secure, weatherproof roof window installation. Buy online today.

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£157.90 each (Inc VAT)

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£131.58 each (Ex VAT)
Velux EDP SK08 2000 Plain Tile Flashing BDX & BFX 1140 x 1400mm

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£162.02 each (Inc VAT)

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£135.02 each (Ex VAT)

VELUX EDP SK08 plain tile flashing kit with BDX and BFX insulation collars delivers professional weatherproof installation. Buy online today.

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£162.02 each (Inc VAT)

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£135.02 each (Ex VAT)
Velux EDW CK02 2000 Single Tile Flashing & BDX 550 x 780mm

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£106.30 each (Inc VAT)

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£88.58 each (Ex VAT)

The Pro+ (2000) flashing set comes with underfelt collar (BFX) for a watertight seal between the roof window and the roof and insulation collar (BDX) for reduction of heat loss and eliminating cold...

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£106.30 each (Inc VAT)

WAS: each

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£88.58 each (Ex VAT)

Featured Products

Siniat GTEC Standard Plasterboard Square Edge 2400 x 1200 x 12.5mm

Designed for partitions, linings and ceilings, this standard board is square edged and most suitable for undecorated applications or textured finishes. It is also suitable for gypsum plaster...

Siniat GTEC Cove 120 3000mm

A gypsum plaster moulding manufactured in a larger traditional cove profile, provides an attractive feature at the junction of walls and ceilings.

Unilin Thin-R Pitched Roof Insulation PIR Board 2400 x 1200 x 100mm

Unilin / Xtratherm XT Thermal Liner MF Insulation PIR Board is a composite insulated panel of Unilin / Xtratherm PIR insulation core with a composite foil facing bonded to 12.5mm tapered edge...

Kronospan P5 Chipboard Flooring TG4 FSC 18 x 2400 x 600mm

The Kronospan P5 is the perfect chipboard flooring for adding practical space to your loft area. It is rated Particleboard P5 and therefore designed to be a load-bearing panel for use in dry and...

Kronospan P5 Chipboard Flooring TG4 FSC 22 x 2400 x 600mm

The Kronospan P5 is the perfect chipboard flooring for adding practical space to your loft area. It is rated Particleboard P5 and therefore designed to be a load-bearing panel for use in dry and...

Plywood PRC HWTO Hardwood EN636-2 Class 2 FSC 18 x 1220 x 2440mm (8x4)

HWTO (Hardwoods Throughout) is an internal plywood. It has a light sanded finish, which can be easily cut or painted and has a variety of uses. Plywood is several panels comprising of at least 3...

Plywood PRC HWTO Hardwood EN636-2 Class 2 FSC 12 x 1220 x 2440mm (8x4)

HWTO (Hardwoods Throughout) is an internal plywood. It has a light sanded finish, which can be easily cut or painted and has a variety of uses. Plywood is several panels comprising of at least 3...

Special Offer

Green Incised Softwood UC4 Treated Garden Sleeper 95 x 195 x 2400mm

UC4 treated softwood garden sleeper 2.4m is ideal for retaining walls, raised beds and landscaping projects. Buy online with delivery or Click & Collect today.

OSB3 Board Square Edge FSC 11 x 2440 x 1220mm

The OSB is suitable for load bearing applications in construction and all different environmental conditions such as extreme humidity and dryness. The moisture resistant board is engineered for...

OSB3 Board Square Edge FSC 18 x 2440 x 1220mm

Sterling OSB3 Board is the perfect solution for both construction professionals and DIY enthusiasts seeking durability and versatility in their projects. Engineered to withstand extreme humidity and...

CLS Timber PEFC 50 x 75 x 2400mm (Finished Size 38x63mm) 3x2

Canadian Lumber Standard (CLS) is a structural timber available in a variety of sections and lengths most commonly used in construction. CLS is PAR or Planed All Round, meaning it has gone through a...

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Timloc Single Pantile Tile Vent Grey (RTV-SPGR )

Timloc grey single pantile tile vent delivers dependable airflow for pitched roof applications. Buy online with home delivery or Click & Collect today.

Gutter Trim Internal Corner Black (910017.CB)

Black internal gutter trim corner designed for professional EPDM roofing installations.

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Timloc Clip Fit Plastic Access Panel White 205 x 205mm (AP200)

Timloc white clip fit plastic access panel measuring 205 x 205mm for simple access to concealed services. Buy online today.

Everbuild 503 SBR Bond 5 Litre (SBR5L)

SBR Bond is a latex based, water resistant bonding agent and admixture for use in areas subject to humidity, dampness and continuous water contact. It improves water resistance of cement mixtures by...

Brett Martin 110mm 0'-30' Adjustable Double Socket Bend Terracotta 110 x 250 x 110mm

Our comprehensive range of underground products include pipes in up to 13 diameters from 58.9mm to 600mm, industry compliant fittings All Brett Martin products including Brett Martin 110mm 0'-30'...

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Hanson Multicem Cement Plastic Bag (25kg)

Introducing Hanson Multicem Cement, your go-to solution for reliable and high-quality construction projects. This innovative cement mix is specially formulated for easy spreading, superior water...

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Everbuild Opti-Mix Mortar Plasticiser 1 Litre

The world's first 1:25 plasticiser, Opti-Mix Mortar Plasticiser is essentially Pure Admix that smells and operates like the best traditional Admix. Superior plasticising effect, controlled dosage,...

C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC 47 x 100mm (4x2)

£8.57 - £24.63 per metre (Ex VAT)

£10.28 - £29.56 per metre (Inc VAT)

C24 Timber Joists UC2 Treated Kiln Dried Regularised PEFC timber is your go-to choice for robust structural applications. C16 and C24 are strength grades; the higher the grade, the better the load...

£8.57 - £24.63 per metre (Ex VAT)

£10.28 - £29.56 per metre (Inc VAT)

C24 Timber Joists Untreated Kiln Dried Regularised PEFC 47 x 100mm (4x2)

£7.95 - £22.86 per piece (Ex VAT)

£9.54 - £27.43 per piece (Inc VAT)

C16 and C24 are strength grades; the higher the grade, the better the load bearing quality it has. C16 is normally the grade that is produced from faster grown UK timber. C24 is a premium product as...

£7.95 - £22.86 per piece (Ex VAT)

£9.54 - £27.43 per piece (Inc VAT)

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