The total thickness of two-coat work exclusive of keys or dubbing out shall be generally about, but shall not […] Delayed toppings shall be over Weld-Crete® in a minimum 1/2 inch thickness on surfaces shown and specified. Thistle Bonding Coat Product data sheet 1 Data Sheet – DS-101-01 Introduction www.british-gypsum.com Overview Thistle Bonding Coat is a gypsum undercoat plaster for use on low suction backgrounds, e.g. Average thickness is 12mm. Allow to dry 24 hours (follow with two and three coat applications). Then the 1st coat of plaster is applied on the surface. Render below 10mm minimum thickness. With a final coat of Most all fire-rated assemblies require 7/8-inch and some require a full 1-inch thick cement plaster. Ideally, the total thickness of a two-coat plaster should not exceed 20 mm. Gyproc Bonding Plaster is one of the range of lightweight, retarded hemihydrate, premixed gypsum plasters, requiring only the addition of clean water to prepare them for use. There are different base coats which can be used depending on the base material and function, some of the base coat products are Bonding Coat, Hardwall & sand and cement to name a few. Maximum thickness of application is 1/2 over drywall. Also, bonding plaster is great for putting a base coat on surfaces such as concrete. LARSEN CONCRETE & PLASTER BONDING SYSTEMS ... 3.2.2 Application of Two and Three Coat Plaster a. The strength of Kal-Kote base is substantially greater than that exhibited by typical sanded basecoat plaster. minimum thickness over Kal-Kore® plaster base, masonry or monolithic concrete that has been treated with a bonding agent. Over concrete or masonry surfaces, the overall thickness shall be a minimum of 1 / 2 inch (12.7 mm). Gold Bond® BRAND Kal-Kote® Basecoat Plaster is a specially designed high strength basecoat plaster for application 1/16" minimum thickness over Kal-Kore® Plaster Base, masonry or monolithic concrete that has been treated with a bonding agent. Thistle HardWall plaster is an undercoat plaster that has high impact resistance. Always refer to the fire-rated assembly test before making an assumption. bonding agent is dry to the touch [allow 1 hour] or delayed a week to 10 days with no effect on bond.) Over saturated background High suction in the background Absence of a bonding coat on particular backgrounds A kitchen splashback, natural stone mosaics on a substrate of 5 day old bonding plaster used as a "skim coat", in some places 3-4mm in depth. Minimum thickness application is 1/4. If opted to use a plaster machine, 50 Kg bags: Concrete Rush Coat CRC: Conmix Concrete Rush Coat is a dry pre mixed mineral based bonding coat to apply directly on smooth concrete walls and ceilings. The skim coat is applied to the backing coat at a thickness of 2-3 mm. Apply scratch coat a minimum of 3/8 inch thick over Plater-Weld® to surfaces as shown and specified. A smooth finish is obtained by applying a skim coat of finish plaster. 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