Fibrous Plaster Ceiling
Over the next two decades sackett s product was refined and by 1916 was a mass produced and ready to finish board for construction not much different from what is used in 97 percent of homes today.
Fibrous plaster ceiling. Fibrous plaster is given by plasterers the suggestive name stick and rag and this is a rough description of the material for it is a fibrous composed of plaster laid upon a backing of canvas stretched on wood. However they may also be found as renovations restorations carried out within earlier structures including post second world war restorations. Fibrous plaster ceilings were either fixed nailed directly to the structure or on to an intermediate timber system.
Fibrous plaster is a form of decorative plaster composed of plaster of paris and reinforced with layers of hessian that is then secured within a timber framework. Plastercraft is new zealand s largest producer of fibrous plaster products to service the building industry. The hand crafted plasterglass sheets are fixed to the ceiling battens with bostick glue and screws.
The organic materials used to reinforce plaster are susceptible to moulds and fungi such as dry rot. What is fibrous plaster. In 1893 at the chicago world s fair the palace exterior was completed using sackett s gypsum plaster bound with fiber.
Specialists in fibrous plaster products. Maintaining large fibrous plaster ceilings history of fibrous plasterwork. The company s auckland operation supply a full range of specialist fibrous mouldings handcrafted in our factory.
Where possible with a ceiling cavity the joints are wadded. Fibrous plaster ceilings may be found in buildings of high status commercial administrative cultural and residential erected between 1856 the date the material was patented and about 1940. Installation of a plaster ceiling.
While the practice of reinforcing gypsum plaster with hessian and canvas has been around. Wadding is a mixture of sisal hemp and casting plaster which is hand mixed and then trowelled onto the joints to the hold the joint together.