Building Chemicals

Support construction, repair, and maintenance projects with Fixings Direct's Building Chemicals range. We stock concrete additives, curing agents, formwork release oils, and specialist cleaners for a variety of site and surface preparation applications. These products are designed for specific construction tasks, including concrete treatment, curing, formwork release, and cleaning, with performance depending on the individual formulation and intended use. Suitable for professional trade & DIY projects where applicable, shop the range for dependable building chemical solutions for construction, renovation, & repair work.

182 products
380ml Grey Primer – Corrosion-Resistant Metal & Plastic Base Coat – Smooth High-Build Spray Primer for Interior & Exterior Use – TIMCO (CAN OF 1)

TIMCO

380ml Grey Primer – Corrosion-Resistant Metal & Plastic Base Coat – Smooth High-Build Spray Primer for Interior & Exterior Use – TIMCO (CAN OF 1)

£7.57

inc VAT · £6.31 ex

In stock
300ml Welder’s Anti-Spatter Spray – Non-Flammable, Silicone-Free Welding Protection – Quick Drying Formula – TIMCO (CAN OF 1)

TIMCO

300ml Welder’s Anti-Spatter Spray – Non-Flammable, Silicone-Free Welding Protection – Quick Drying Formula – TIMCO (CAN OF 1)

£6.39

inc VAT · £5.33 ex

In stock
300ml Air & Gas Leak Detector Spray – Non-Flammable Leak Detection Solution for Pressurised Systems – Water-Based Formula – TIMCO (CAN OF 1)

TIMCO

300ml Air & Gas Leak Detector Spray – Non-Flammable Leak Detection Solution for Pressurised Systems – Water-Based Formula – TIMCO (CAN OF 1)

£7.85

inc VAT · £6.54 ex

In stock
Image of a 5L bottle of Bluecol 2 Year Antifreeze, an essential car engine coolant.

BLUECOL

5L Bluecol 2 Year Antifreeze Car Coolant & Engine Protector

£19.05

inc VAT · £15.88 ex

In stock
Image of WRX 400ml Light Brown 305 spray paint can for multi-surface applications.

WRX

400ml Light Brown 305 WRX Spray Paint - Quick Dry Aerosol for Multi-Surface Projects & Touch-Ups - 8003

£4.89

inc VAT · £4.08 ex

In stock
(BOTTLE OF 1L) Grout Cleaner – Fast-Acting, Acid-Free Tile & Floor Grime Remover for Bathroom, Kitchen & Outdoor Use

TIMCO

(BOTTLE OF 1L) Grout Cleaner – Fast-Acting, Acid-Free Tile & Floor Grime Remover for Bathroom, Kitchen & Outdoor Use

£12.99
Out of stock
Bond It Drive Alive Clear Coat Block Paving Sealer 4L

BOND IT

Bond It Drive Alive Clear Coat Block Paving Sealer 4L

£21.99
Out of stock
Brick & Patio Cleaner 5L Clear

BOND IT

Brick & Patio Cleaner 5L Clear

£6.99
Out of stock
1x WRX Grey Multi‑Purpose Spray Paint – High‑Coverage Acrylic Aerosol for Metal, Plastic, UPVC, Wood & More – Fast‑Drying with Micromist Nozzle

WRX

1x WRX Grey Multi‑Purpose Spray Paint – High‑Coverage Acrylic Aerosol for Metal, Plastic, UPVC, Wood & More – Fast‑Drying with Micromist Nozzle

£6.99

inc VAT · £5.83 ex

In stock
Stabil - 360 Marin Boat Fuel Stabilizer & Fuel Additive 10fl oz

STA-BIL

Stabil - 360 Marin Boat Fuel Stabilizer & Fuel Additive 10fl oz

£19.99
Out of stock
E-Tech Advanced Body Filler 700g Tin

E-TECH

E-Tech Advanced Body Filler 700g Tin

£11.99
Out of stock
480g Metoset Concrete Repair Resin | Sand High-Strength Masonry Fixing Compound

TIMCO

480g Metoset Concrete Repair Resin | Sand High-Strength Masonry Fixing Compound

£17.61
Out of stock
5L Path Patio & Driveway Cleaner Concentrate Outdoor Surface Cleaner for Moss Algae Dirt

TIMCO

5L Path Patio & Driveway Cleaner Concentrate Outdoor Surface Cleaner for Moss Algae Dirt

£18.32

inc VAT · £15.27 ex

In stock
1L 4 Stroke Engine Oil | Mono-Grade SAE 30 API SE High Viscosity Lubricant for Lawn Mowers, Air Compressors & Small Petrol Engines

TIMCO

1L 4 Stroke Engine Oil | Mono-Grade SAE 30 API SE High Viscosity Lubricant for Lawn Mowers, Air Compressors & Small Petrol Engines

£11.96

inc VAT · £9.97 ex

In stock
1L Chainsaw Oil Bottle | Premium Anti-Fling & High Viscosity Bar & Chain Lubricant for All Pump Fed Saws

TIMCO

1L Chainsaw Oil Bottle | Premium Anti-Fling & High Viscosity Bar & Chain Lubricant for All Pump Fed Saws

£11.96

inc VAT · £9.97 ex

In stock
400g Premium Lithium Complex Grease Cartridge | High Temp EP Long Life for Extreme Automotive, Agricultural & Industrial Use

TIMCO

400g Premium Lithium Complex Grease Cartridge | High Temp EP Long Life for Extreme Automotive, Agricultural & Industrial Use

£6.68

inc VAT · £5.57 ex

In stock
Label Remover Spray | Adhesive & Sticker Remover | Citrus Solvent Cleaner for Labels, Glue & Residue | Safe on Most Surfaces

TIMCO

Label Remover Spray | Adhesive & Sticker Remover | Citrus Solvent Cleaner for Labels, Glue & Residue | Safe on Most Surfaces

£5.17

inc VAT · £4.31 ex

In stock
480ml Adhesive Residue Remover Spray | Powerful Degreaser & Sticker Remover | Rapid Acting, Non-Aggressive, Low Odour

TIMCO

480ml Adhesive Residue Remover Spray | Powerful Degreaser & Sticker Remover | Rapid Acting, Non-Aggressive, Low Odour

£7.31

inc VAT · £6.09 ex

In stock
300ml Cordless Nail Gun Cleaner Spray | Fast Acting Degreaser | Enhances Performance & Extends Tool Life | Residue-Free

TIMCO

300ml Cordless Nail Gun Cleaner Spray | Fast Acting Degreaser | Enhances Performance & Extends Tool Life | Residue-Free

£5.92

inc VAT · £4.93 ex

In stock
1kg Ready Mixed Surface Filler | Interior 10mm Deep Hole & Crack Repair | Flexible, Waterproof & Paintable Sealant

TIMCO

1kg Ready Mixed Surface Filler | Interior 10mm Deep Hole & Crack Repair | Flexible, Waterproof & Paintable Sealant

£6.42

inc VAT · £5.35 ex

In stock
4L High Strength Brick, Masonry & Patio Cleaner | Acid-Based Mortar and Efflorescence Remover | 30m² Trade Coverage

TIMCO

4L High Strength Brick, Masonry & Patio Cleaner | Acid-Based Mortar and Efflorescence Remover | 30m² Trade Coverage

£18.28

inc VAT · £15.23 ex

In stock
(1kg TIN) Grey 2-Part Metoset Liquid Mortar – Crack & Cavity Repair Compound for Concrete, Brick & Stone

TIMCO

(1kg TIN) Grey 2-Part Metoset Liquid Mortar – Crack & Cavity Repair Compound for Concrete, Brick & Stone

£34.07
Out of stock
Sale(5kg TIN) Grey 2-Part Metoset Liquid Mortar – Crack & Cavity Repair Compound for Concrete, Brick & Stone

TIMCO

(5kg TIN) Grey 2-Part Metoset Liquid Mortar – Crack & Cavity Repair Compound for Concrete, Brick & Stone

£64.79£89.99
Out of stock
(275ml TIN) Pine 2-Part Styrene Free Wood Filler – Professional Timber Repair for Interior & Exterior

TIMCO

(275ml TIN) Pine 2-Part Styrene Free Wood Filler – Professional Timber Repair for Interior & Exterior

£13.86

inc VAT · £11.55 ex

In stock
(250ml TIN) Light Oak Wood Filler for Interior Timber Repairs – Metolux 1-Part Smooth Finish

TIMCO

(250ml TIN) Light Oak Wood Filler for Interior Timber Repairs – Metolux 1-Part Smooth Finish

£6.52

inc VAT · £5.43 ex

In stock
750ml Survey & Spot Marker Spray Paint – Rapid Drying Line Marking Paint for Construction, Landscaping & Site Work (CAN OF 1)

TIMCO

750ml Survey & Spot Marker Spray Paint – Rapid Drying Line Marking Paint for Construction, Landscaping & Site Work (CAN OF 1)

£5.99

inc VAT · £4.99 ex

In stock
Barrettine Knock Out biological drain treatment in a 1 litre bottle.

BARRETTINE

Barrettine 1 Litre Knock Out Biological Drain Treatment for Household Waste Pipes & Septic Tanks

£9.49
Out of stock
250ml ONA PRO odour neutralising spray bottle

ONA

250ml ONA PRO Odour Neutralising Spray - Single Spray Bottle for Home and Office

£17.03
Out of stock