Table of Contents
What should we do after slab casting?
Placing of Concrete / Casting of Slab Properly Concreting should be avoided at all circumstances when it the weather is extremely hot or extremely cold. The freshly casted slab should be covered with moist gunny bags, after 4-5 hours, in case of concreting in summer to avoid plastic shrinkage cracks.
What is neat cement punning?
Punning is the process of applying a thin layer of the slurry or mortar, made of cement, POP, gypsum, lime, or any such specified binding materials to the wall, ceiling, flooring, or plastering surface. In the case of flooring, neat cement punning is done over the fresh mortar surface before fixing the flooring tiles.
When should shuttering be removed from slab?
Complete slab shuttering should be removed after 10 days. Beams removal of sheeting required 8 days. Beams and arches complete removal of shuttering required 14 days. If beams and arches are of span more than 6 meter, then shuttering removal time should be 21 days.
What is the curing period of slab?
After concrete is placed, the concrete increases in strength very quickly for a period of 3-7 days. Concrete which is moist cured for 7 days is about 50\% stronger than uncured concrete. Water curing can be done after the slab pour by building dams with soil around the house and flooding the slab.
When should I start curing concrete?
In short, the curing should start after minimum six hours (Final setting time of cement) and not less than 24 hours. Thus, when concrete curing has to start is varies and depends on when the surface of the concrete begins to dry.
Why is Wall punning done?
Benefits of Plaster of Paris Wall Punning Apart from rendering a decorative appeal, POP wall punning enhances the wall shine and smoothness. It effectively hides all the plastering cracks and other defects. It provides for optimum protection against seepage. The process of Plaster of Paris Wall Punning is time saving.
Which is better pop or wall putty?
Some such vital components are Plaster of Paris, also known as POP, and Wall Care Putty….Which One Is Better, POP, or Wall Putty?
| Particulars | Plaster of Paris (POP) | Wall Care Putty |
|---|---|---|
| Strength | Low on strength | Being cement-based, it has good tensile adhesion, compressive strength |
| Durability | Less Durable | Highly durable |
| Port Life | 10-12mints | 10 – 45mints |
How many days are required to remove the supports provided for casting a roof slab of a house?
When can I remove concrete forms from slab?
Many concrete professionals remove the forms the day after the pour is completed. However, forms can be removed as soon as the concrete exhibits enough strength not to crack as the forms are pulled away. This is sometimes done on large projects where forms are reused in another part of the pour.