After finishing the concrete pouring of the window sills, doors, as well as the concrete of the stairs with the rug, these concrete parts shall be sprayed for at least 5 days at a rate of two to three times a day, and the next day after the concrete pouring, the contractor shall remove the side wood of these sills, keeping the sills well reinforced.

The contractor shall complete the buildings above the concrete sills of the windows, doors, as well as the concrete of the stairs with the rug.

The contractor shall complete the buildings above the concrete lintels for windows, doors, and the exterior walls (surrounding the building) shall be thermally insulated and complement the insulation system used for the walls of the building.

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If there are air conditioning vents (window air conditioner), a concrete sill must be made above the wooden frame of the air conditioner opening.

If there are air conditioning vents (window air conditioner), a concrete sill must be made above the wooden frame of the air conditioning opening.

It is a good idea to provide the contractor with a copy of the HVAC (ductwork) plan so that he can place the duct openings within the walls to avoid future cracking during the finishing phase to pass the ducts.

When all the building works (walls) are completed, the site is completely cleaned in preparation for starting the roof work, where the contractor makes the wood for the bridges around the building and all fallen bridges first, after that the iron (jakat) is tightened, which are the ones that the roof will be loaded on, if the height of the building is high enough. If the ceiling height exceeds 4 m, it is good to use a metal tension that is secured by one of the parties specialized in securing building materials by the contractor, and the costs of securing them must be specified in advance in the contract, whether on the owner or the contractor.

The wood for the ceiling is tensioned and the quality of the wood is according to what is specified in the contract, when wanting to make false ceilings later when finishing it is good to use polywood wood to obtain a smooth concrete surface and does not need finishing work as it will be covered with gypsum, when not wanting to make false ceilings of gypsum and so on and there is an intention to make the ceiling lining it is good to use ordinary wood to obtain a rough concrete surface which is best for the lining work.

When making borrowed ceilings, it is good to use ordinary wood to obtain a rough concrete surface, which is best for the lining work.

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