Building Chemicals & Additives

Discover a reliable range of building chemicals and construction additives to help improve performance, durability, and efficiency on site. Whether you're waterproofing render, boosting mortar workability, or prepping brickwork, we’ve got the essential products trusted by trade professionals across the UK.

SBR, PVA & Frostproofer

Our range includes versatile SBR bonding agents, ideal for waterproofing, adhesion, and flexibility in cementitious mixes. We also stock PVA primers for sealing and bonding, plus frostproofers and rapid hardeners that keep your mixes working even in cold weather.

• Bond‑It SBR Admixture – 5 L
• Bond‑It Contractors PVA – 5 L
• Bond‑It Frostproofer & Hardener – 5 L

Plasticisers & Water Resistance

Improve the workability of mortar and render with liquid plasticisers, and protect external walls with integral water-resistant additives. These help reduce cracking, improve finish, and support long-term durability.

• Bond‑It Liquid Mortar Plasticiser
• Bond‑It Integral Water Resistant Plasticiser – 5 L

Cleaners & Surface Prep

Get surfaces ready for coatings, adhesives or paint with trusted cleaning solutions. Choose from universal degreasers, acid etch for concrete, and brick and patio cleaner for stubborn stains and efflorescence.

• Coo‑Var Universal Degreaser
• Coo‑Var Acid Etch Cleaner
• Bond‑It Brick & Patio Cleaner – 5 L

Why Choose Trusted Building Supplies?

• Trade-trusted chemical additives from brands like Bond‑It and Coo‑Var
• Ideal for mortar, concrete, render, brick, and surface prep
• Fast UK delivery and competitive pricing
• Reliable solutions for better performance on site

Related Categories

• Plastering Materials
• Sealants
• Roofing Adhesives

Whether you’re preparing a wall, laying a new screed, or working in cold conditions, our building chemicals and additives help you get the job done right.