You can mix your own parge coating with just a few basic tools. Step 1 - Make Parging. The secret to a perfect parging repair lies in mixing sand and cement in the correct ratio. Water can then be added at any desired volume to achieve the desired consistency. It looks like CSIA have done their own mixture in the video and any information will be greatly appreciated. It can also be used as a base coat in the repair of stucco. STORAGE Store in a dry place. Dampen the wall surface with water. This tells the mixer that they need to add 1 part cement powder, 2 parts sand, and 3 parts aggregate in order to create the desired concrete consistency. aggregate, this will produce approximately a 3000 psi concrete mix. I have an outdoor fireplace that needs parging to smooth out the corbelled bricks in the smoke chamber. Step 2 - Clean the Wall. Sakrete Type Mortar/Stucco Mix is a safe bet for many projects because of its strength and ability to be used both for above and below grade applications. There are a variety of mortar mixes that the mason contractor can Gamespot. A concrete mix ratio is usually expressed by a set of numbers separated by colons, as is the case with a 1:2:3 ratio. This highly flexible can be used to damp-proof existing block walls, as a scratch and brown or parge coat, or to build block walls without mortar joints – saving labor compared to traditional masonry construction. In order to make the parging, you will need to mix Portland cement, sand, and water to a consistency you find easy to apply. Sakrete Surface Bonding Cement is a professional-grade, fiber-reinforced portland cement based coating for concrete block and masonry walls. Masons use a parge coat to cover walls made of concrete, brick or block. A parge coating mixture contains the same materials as a stucco mix: sand, Portland cement and lime are combined in the mixture. That could mean building a new outdoor kitchen or parging an existing masonry substrate. in the past i would just go to the hardware and buy a bag of premix but i have a qusent hut on my new property and the foundation did not fair well over the last winter it's block wall over 3 feet high and 40 wide 80 feet long plus i need to parge inside as well as out to reduse cost i want to mix this myself in my morter mixer i have tryed mortor mix but dosen;t stick as well . The recommended ratio is one part of cement mixed with two parts of sand. Here is how to apply parging to a wall. Keep out of reach of children. This highly flexible can be used to damp-proof existing block walls, as a scratch and brown or parge coat, or to build block walls without mortar joints – saving labor compared to traditional masonry construction. LIMITATIONS: Do not install QUIKRETE Water Resistant Parging Mix when temperature is below 5 °C (41 °F) or above 30 °C (86 °F). COVERAGE Each 30 kg (66 lb) bag of QUIKRETE Water Resistant Parging Mix will cover approximately 4.6 m2 (50 ft2) at 3 mm (⅛ inch) thickness. I seen your you tube video and would like to ask if you have the mixture ratio for the refractory cement, type of sand etc. Type S is commonly used for new construction and many repairs. Parging Mix 30kg QUIKRETE Parging Mix is designed for resurfacing, coating and repairing concrete and masonry walls. Step 3 - Apply a Thin Layer. It can also be used as a base coat in the repair of stucco.