Na-consider na rin po ba dyan sa productivity rate mo sir yung mga roofing accessories like ridge, gutter and flashing?
@axcelengineering
Ай бұрын
no!! the productivity rate is for roofing sheet only...could you pls. review the video to fully understand.gutter and flashing have its own productivity you can do research on that on google...the purpose of my videos are for derivation purposes....i hope u get my point!!!
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