Seam method of effective calcium silicate board ceiling
The reason is that in the construction of the time did not follow the requirements in the middle of the calcium silicate board to stay shrinkage 5mm, about it. Has been cracked place with a hand saw a gap, and then use calcium silicate board special sealing material seal, plus a joint belt and then on the seam material felt later on the paint
Do not know what you say is a large board ceiling or small board ceiling
Ceiling, then there should be no seam Yeah
With non-woven, or kraft paper
