Let me share the calculation here.
Example here:
Area: width*length (sqft)
Living room: 16*14 = 224 sqft
Dining room: 15*12 = 180 sqft
Kitchen: 15*11 = 165 sqft
(i) Flat plaster ceiling, market rate is from RM2.50 - RM2.80
Living room = RM560.00 (224*2.50) [sqft]*RM
Dining room = RM450.00 (180*2.50)
Kitchen = RM412.50 (165*2.50)
(ii) L-box. L-box market rate is around RM8.00
Living = RM480.00 (16+14+16+14)*8 [width+length+width+length]*RM
Dining = RM432.00 (15+12+15+12)*8
(iii) L-box with light through. L-box with light through market rate is around RM11.00
Living = RM660.00 (16+14+16+14)*11 [width+length+width+length]*RM
Dining = RM594.00 (15+12+15+12)*11
Flat plaster ceiling only, (i) = RM1422.50
Flat plaster ceiling + L-box, (i)+(ii) = RM2334.50
Flat plaster ceiling + L-box with light through, (i)+(iii) = RM2676.50
If you do not request, some contractor do not drill hole for you. So you must negotiate with him if you want to save cost. Anyway, for reference on drilling cost, circle hole: RM3, square hole: RM2
Before you do plaster ceiling, you may consider re-wiring your light points for downlight, spot light, L-box light through. Besides, fan point is also important. Note that re-wiring is another additional cost to be considered.
After you do plaster ceiling, you must paint it with wall sealer to enhance the adhesiveness of your new ceiling. Then apply 2 coats of paints. Note: Normally, they do not provide free painting.
More fancy design = more money
Do your own math now :O
When I did my plaster ceiling, power short-circuit happened. It was totally a nightmare that contractor took half day to troubleshoot the problem. Anyway, I heard from friends that this is very common to happen during when doing plaster ceiling.
Plaster ceiling guy drilled hole on my wiring :(
Close-view of broken wire
Plaster ceiling in progress
Light point for L-box light through
Finish product
3 comments:
nice sharing!
do your own math! :O
Thank you for your explanation. It was so clear and easy to understand.
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