Keep your expansion joints straight with these 10mm x 50mm aluminium straight edges

UV resistant vials with a lifetime warranty

Galvanized stand and base

T Clamp Block  Â

Industrial performance bearings

Viper Mortar & Concrete Remover - Safe Green Acid Replacement Product_Bolster Keep your expansion joints straightSeriously Safe, Seriously Tough. Viper is a safe, green acid replacement, multipurpose solution used for removing concrete & mortar smear, calcium, lime, tile grout, efflorescence & for etching concrete. Lab tested by Australian brick manufacturers, it has a number of industry leading features and benefits, including: Non corrosive. Non fuming. Non toxic. Safe on skin. No transport risks. No storage risks. Eco Friendly Biodegradable in 10 days. Clings