![REPAIR PUTTY 11oz TUBE](http://psh.ca/cdn/shop/products/RPUT1_2_{width}x.jpg?v=1582871675)
Repair Putty is soft & moldable and used to fill cracks or to patch holes on the top of horizontal brick or insulated board surfaces. A much better insulator than mortar or repair cement. Not recommended for for weight bearing surfaces (like under kiln posts). For best adhesion pre-moisten surface that is being repaired.