The Tech-Dry applicator kit makes it easy to install a damp course into single and double brick walls. Each kit contains enough re-useable applicators to treat 3 metres of single brick wall (or 1.5 metres of double brick wall) at one time. Filling each reservoir with 150ml of DAMP COURSING FLUID is enough to thoroughly … Continue reading D.I.Y DAMP COURSING APPLICATION INSTRUCTIONS